Psyllium is a type of soluble fiber derived from the seeds of the Plantago ovata plant, which is native to India and Iran. This fiber is most commonly found in the husk or powder form, and it is renowned for its ability to absorb water and form a gel-like substance. This unique property makes psyllium an excellent dietary supplement for promoting digestive health and regularity.

The primary component of psyllium is mucilage, a complex carbohydrate that swells when it comes into contact with water. This gel-forming property not only helps to maintain moisture in the stool but also aids in binding fatty acids and cholesterol in the digestive tract. This binding action can contribute to various health benefits, including improved bowel movements and potential cholesterol-lowering effects.

Psyllium is widely recognized and utilized for its beneficial effects on the digestive system. It is often included in over-the-counter fiber supplements and various food products designed to enhance dietary fiber intake. Due to its versatility and effectiveness, psyllium has become a staple in many dietary regimens aimed at improving gut health and managing weight.

Psyllium is primarily used for its potent fiber content, which supports digestive health, promotes regular bowel movements, and helps manage cholesterol levels. Its primary use is as a bulk-forming laxative, effective in treating constipation. Studies have shown that psyllium increases stool water content, making stools softer and easier to pass. This has been corroborated by a study published in the European Journal of Clinical Nutrition, which demonstrated that psyllium fiber supplementation significantly increased fecal moisture and weight, thereby easing defecation.

Beyond its role in digestive health, psyllium has been found to positively impact cholesterol levels. A systematic review and meta-analysis in The American Journal of Clinical Nutrition highlighted that psyllium supplementation can lower serum total cholesterol and LDL-cholesterol concentrations. This cholesterol-lowering effect is particularly beneficial for individuals with hypercholesterolemia, as it helps reduce cardiovascular disease risk factors. Psyllium achieves this by binding to bile acids in the intestines, which are then excreted, prompting the liver to use cholesterol to produce more bile acids, thereby lowering circulating cholesterol levels.

Psyllium also demonstrates benefits for blood sugar management. Research published in Phytotherapy Research indicates that psyllium consumption significantly reduces fasting blood sugar and hemoglobin A1c levels in diabetic patients. The fiber slows the digestion and absorption of carbohydrates, resulting in a more gradual rise in blood sugar levels. This effect is particularly useful for individuals with type 2 diabetes, as it assists in maintaining better glycemic control.

Moreover, psyllium has been studied for its effects on weight management and appetite control. A study published in the journal Appetite revealed that psyllium supplementation leads to increased feelings of fullness and decreased hunger between meals, which can contribute to reduced overall calorie intake. This makes psyllium a valuable tool in weight management regimens.

Overall, psyllium is a versatile supplement with a range of health benefits supported by extensive research. Its primary uses include promoting digestive health, managing cholesterol levels, aiding in blood sugar control, and assisting with weight management.

Psyllium works primarily through its high soluble fiber content, which has unique properties that benefit various aspects of health. The key to its efficacy lies in its ability to absorb water and form a gel-like substance when it comes into contact with fluids. This gel-forming capacity is due to the mucilage content in psyllium, which swells significantly in the presence of water.

In the digestive tract, psyllium's gel-forming property plays a crucial role in promoting regular bowel movements. When consumed, psyllium absorbs water, increasing the bulk and moisture content of the stool. This makes the stool softer and easier to pass, thereby alleviating constipation. This mechanism was highlighted in a study published in The American Journal of Clinical Nutrition, which found that psyllium significantly increased stool moisture and weight.

Psyllium also impacts cholesterol levels through a fascinating process involving bile acids. Bile acids, which are made from cholesterol in the liver, aid in the digestion of fats. Psyllium binds to these bile acids in the intestines, preventing them from being reabsorbed into the bloodstream. Instead, they are excreted in the feces. The liver then needs to use more cholesterol to produce additional bile acids, thereby reducing the overall cholesterol levels in the blood. This cholesterol-lowering effect of psyllium was supported by a meta-analysis in The American Journal of Clinical Nutrition, which showed significant reductions in LDL cholesterol levels with psyllium supplementation.

In terms of blood sugar management, psyllium slows the digestion and absorption of carbohydrates, leading to a more gradual rise in blood glucose levels. This is particularly beneficial for people with type 2 diabetes. The fiber forms a viscous gel that delays gastric emptying and slows down the movement of food through the digestive tract. This slower process allows for a more steady absorption of glucose into the bloodstream, helping to maintain stable blood sugar levels. Research published in Phytotherapy Research confirmed that psyllium consumption significantly reduces fasting blood sugar and hemoglobin A1c levels in diabetic patients.

Furthermore, psyllium's ability to promote satiety can aid in weight management. By forming a bulky gel in the stomach, psyllium helps to increase feelings of fullness and reduce hunger between meals. This can lead to decreased overall calorie intake, which is advantageous for those looking to manage their weight. A study in the journal Appetite demonstrated that psyllium supplementation increases satiety and reduces hunger, supporting its role in weight management.

Overall, psyllium works through its unique gel-forming properties to improve bowel regularity, lower cholesterol levels, manage blood sugar, and promote satiety, making it a highly versatile and beneficial dietary supplement.

Psyllium is beneficial for both men and women, but its specific applications and effects can differ based on gender due to physiological and hormonal variations. Understanding these differences allows for a more tailored approach to using psyllium for optimal health benefits.

In men, psyllium is often used to support cardiovascular health, particularly by managing cholesterol levels. Men typically have higher risks of heart disease compared to premenopausal women, partly due to differences in cholesterol profiles. Studies have shown that psyllium supplementation can significantly lower LDL cholesterol levels, which is crucial for reducing cardiovascular risk. Research published in The Journal of Nutrition demonstrated that psyllium, when used in combination with plant sterols, effectively reduced LDL cholesterol in hypercholesterolemic men by altering lipoprotein metabolism and increasing LDL receptor-mediated uptake.

For women, especially premenopausal women, psyllium can play a vital role in digestive health and hormonal balance. Women are more prone to constipation and irritable bowel syndrome (IBS) due to hormonal fluctuations throughout their menstrual cycle, pregnancy, and menopause. Psyllium's gel-forming fiber helps alleviate constipation by increasing stool moisture and bulk, making it easier to pass. A study in the International Journal of Molecular Sciences highlighted that psyllium supplementation significantly increased stool water content and altered gut microbiota composition, particularly benefiting women with constipation.

Postmenopausal women can also benefit from psyllium's cholesterol-lowering effects, as the decline in estrogen levels during menopause is associated with an increase in LDL cholesterol and a higher risk of cardiovascular disease. The same mechanisms that help lower cholesterol in men are effective in postmenopausal women, making psyllium a valuable supplement for managing cardiovascular risk in this group. However, it's worth noting that psyllium's effects on triglycerides and other lipid profiles may differ between genders. For instance, a study published in Metabolism: Clinical and Experimental found that men experienced a significant reduction in triglycerides with psyllium supplementation, whereas postmenopausal women saw an increase.

Another important aspect is weight management. Both men and women can use psyllium to aid in weight loss by promoting satiety and reducing overall calorie intake. However, women might find psyllium particularly useful during certain life stages, such as postpartum or menopause, when weight management can be more challenging. Psyllium's ability to increase feelings of fullness and decrease hunger between meals can support healthier eating habits and weight control.

In summary, while both men and women can benefit from psyllium for digestive health, cholesterol management, and weight control, the specific applications and effects can vary. Men may focus more on cardiovascular benefits, while women might use psyllium to address digestive health and hormonal balance, particularly during menopause. Understanding these differences can help in tailoring psyllium use to meet individual health needs effectively.

The appropriate dosage of psyllium can vary depending on the specific health goal you're aiming to achieve, as well as individual factors such as age, overall health, and dietary habits. Generally, the recommended dosage for adults ranges from 5 to 10 grams of psyllium taken once or twice daily, with plenty of water. It's important to note that the effectiveness of psyllium relies heavily on adequate hydration, as water is necessary for the fiber to swell and form the gel-like substance that facilitates its benefits.

For promoting regular bowel movements and alleviating constipation, a common starting dose is about 5 grams of psyllium husk mixed with at least 8 ounces of water, taken once daily. This can be gradually increased to up to 10 grams, taken twice daily if needed, depending on how your body responds. The goal is to find a balance where you achieve the desired effects without experiencing any discomfort.

When using psyllium to support cholesterol management, studies frequently use dosages around 10.2 grams per day, divided into two doses. For example, a study published in The American Journal of Clinical Nutrition found that a daily intake of 10.2 grams of psyllium significantly lowered serum total cholesterol and LDL-cholesterol levels in individuals with hypercholesterolemia. This dosage is often split into two 5-gram doses, taken before meals to maximize its cholesterol-lowering effects.

For blood sugar management and glycemic control, particularly in individuals with type 2 diabetes, the dosage may vary but typically falls within the same range. Research published in Phytotherapy Research indicated that psyllium consumption at dosages of around 10 grams per day could significantly reduce fasting blood sugar and hemoglobin A1c levels in diabetic patients. Again, dividing the dose into two servings taken before meals can help manage postprandial blood sugar spikes.

In the context of weight management, psyllium can be taken before meals to help increase feelings of fullness and reduce overall calorie intake. A dosage of 5 to 10 grams with at least 8 ounces of water, taken 30 minutes before meals, is commonly recommended. This helps to curb appetite and support healthier eating habits, contributing to weight loss and maintenance.

It's essential to start with a lower dose and gradually increase it to the recommended amount to allow your body to adjust and to minimize the risk of gastrointestinal discomfort. Additionally, always ensure adequate fluid intake when taking psyllium to prevent issues such as bloating or intestinal blockage. As individual needs can vary, consulting with a healthcare provider for personalized advice on psyllium supplementation is also a good practice.

While psyllium is generally well-tolerated and considered safe for most people, it can cause some side effects, particularly if not taken with sufficient water or if the dosage is increased too quickly. The most common side effects are related to the gastrointestinal system, as psyllium's primary action is within the digestive tract.

One of the most frequently reported side effects is bloating and gas. As psyllium absorbs water and forms a gel-like substance in the intestines, it can sometimes lead to increased gas production, particularly during the initial stages of supplementation. This effect tends to diminish as the body adjusts to the increased fiber intake.

Another common issue is abdominal discomfort or cramping. This can occur if psyllium is taken in large amounts without adequate water, leading to a thick, viscous mass that can cause discomfort as it moves through the digestive tract. Ensuring sufficient hydration and starting with a lower dose can help mitigate these symptoms.

Constipation or intestinal blockage can occur if psyllium is taken without enough water. The fiber needs water to expand and soften the stool; without it, psyllium can cause the stool to become hard and difficult to pass. Severe cases may lead to more serious complications such as bowel obstruction, although this is rare. It is crucial to drink plenty of fluids when taking psyllium to prevent this issue.

Some individuals may experience allergic reactions to psyllium, although this is uncommon. Symptoms of an allergic reaction can include itching, rash, hives, or even difficulty breathing. If any allergic symptoms occur, it is essential to discontinue use immediately and seek medical attention.

In rare cases, psyllium may cause a condition known as esophageal obstruction if it is not adequately mixed with water before ingestion. This can happen when psyllium swells before reaching the stomach, leading to a blockage in the esophagus. To prevent this, always mix psyllium thoroughly with water and consume it immediately, followed by an additional glass of water.

Overall, while psyllium is a beneficial and safe supplement for most people, it is essential to use it correctly to avoid potential side effects. Starting with a lower dose, gradually increasing it, and ensuring adequate fluid intake can help minimize the risk of adverse effects. If any severe or persistent symptoms occur, consulting with a healthcare provider is recommended.

While psyllium is generally safe for most people, there are certain groups of individuals who should avoid it or use it with caution under the guidance of a healthcare provider.

Firstly, individuals with pre-existing gastrointestinal conditions such as bowel obstructions, strictures, or any narrowing of the gastrointestinal tract should not take psyllium. The fiber's ability to absorb water and expand can exacerbate these conditions, potentially leading to severe blockages or complications. Similarly, those with difficulty swallowing or esophageal issues should avoid psyllium unless advised otherwise by a healthcare professional, as it can expand before reaching the stomach and cause choking or obstruction.

Secondly, individuals with known allergies to psyllium or any components of the Plantago ovata plant should avoid its use. While rare, allergic reactions to psyllium can occur and may manifest as itching, hives, rashes, or more severe symptoms like difficulty breathing and anaphylaxis. Anyone who experiences allergic symptoms after taking psyllium should discontinue use immediately and seek medical attention.

People with a history of chronic dehydration or electrolyte imbalances should also be cautious with psyllium. The fiber's water-absorbing properties can exacerbate dehydration if not taken with adequate fluids. In cases where hydration status is a concern, it's essential to consult a healthcare provider before starting psyllium supplementation.

Those who are taking certain medications may need to exercise caution. Psyllium can interact with some medications by affecting their absorption. For example, psyllium can reduce the absorption of certain medications like lithium, carbamazepine, and some vitamins and minerals. It's advised to take medications at least one to two hours before or after consuming psyllium to avoid potential interactions. Consulting with a healthcare provider is crucial to ensure that psyllium does not interfere with prescribed medications.

Additionally, people with uncontrolled diabetes should consult their healthcare provider before starting psyllium. Although psyllium can help manage blood sugar levels, it can also affect medication efficacy and require adjustments in diabetes management plans.

Lastly, children should only take psyllium under the guidance of a healthcare provider. While psyllium can be beneficial for addressing constipation in children, the dosage and appropriateness need to be carefully monitored to avoid potential side effects or complications.

In summary, while psyllium is a generally safe and effective supplement for many people, certain individuals with specific health conditions, allergies, or medication regimens should use it cautiously or avoid it altogether. Consulting with a healthcare provider can help determine the safest and most effective approach to incorporating psyllium into one's health regimen.

Yes, psyllium supplements are known to interact with certain medications, primarily by affecting their absorption and efficacy. Understanding these interactions is crucial for ensuring both the effectiveness of medications and the safe use of psyllium. Here are some key medications that may interact with psyllium:

1. Diabetes Medications: Psyllium can help manage blood sugar levels by slowing the absorption of carbohydrates. While this can be beneficial, it may also enhance the effects of diabetes medications, potentially leading to hypoglycemia (low blood sugar). Patients taking medications such as insulin, metformin, or sulfonylureas should monitor their blood sugar levels closely and may need to adjust their medication dosage under the guidance of a healthcare provider.
2. Lithium: Psyllium can reduce the absorption of lithium, a medication used to treat bipolar disorder. This interaction can decrease lithium's effectiveness, potentially leading to subtherapeutic levels. It is recommended to take lithium at least one to two hours before or after consuming psyllium to minimize this interaction. Regular monitoring of lithium levels by a healthcare provider is advisable.
3. Carbamazepine: Carbamazepine, an anticonvulsant used to treat epilepsy and bipolar disorder, can also have its absorption reduced by psyllium. Similar to lithium, it is best to separate the timing of carbamazepine and psyllium intake by at least one to two hours to ensure optimal medication efficacy.
4. Thyroid Medications: Psyllium can interfere with the absorption of thyroid medications such as levothyroxine. This interaction may result in reduced effectiveness of the thyroid medication, leading to inadequate control of thyroid levels. It is recommended to take thyroid medications at least four hours before or after psyllium to prevent this interaction.
5. Digoxin: Digoxin, a medication used to treat heart conditions, can have its absorption affected by psyllium. To avoid this interaction, it is advisable to take digoxin at least one to two hours apart from psyllium.
6. Warfarin: Although not a direct interaction, psyllium can affect the absorption of vitamin K, which plays a role in blood clotting. This could potentially influence the effectiveness of warfarin, an anticoagulant medication. Patients on warfarin should have their blood clotting parameters (INR) monitored regularly when starting or adjusting psyllium intake.
7. Iron Supplements: Psyllium may reduce the absorption of iron supplements, leading to lower iron levels in the body. To prevent this interaction, it is recommended to take iron supplements and psyllium at different times of the day, separated by at least one to two hours.
8. Other Medications: Psyllium's gel-forming fiber can potentially interfere with the absorption of other medications by trapping them in the gel matrix, slowing their passage through the digestive system. It's a good practice to take any medication at least one to two hours before or after consuming psyllium to minimize potential interactions.

In conclusion, while psyllium offers numerous health benefits, it is important to be aware of its potential interactions with various medications. To ensure safe and effective use, individuals taking any of the mentioned medications should consult with their healthcare provider to adjust timing and dosage as needed. Monitoring the efficacy of the medications and making necessary adjustments can help manage these interactions effectively.

Psyllium can be found in various forms and products, making it accessible for different dietary preferences and needs. Here are some of the best sources of psyllium:

1. Psyllium Husk: Psyllium husk is the most common and widely available form of psyllium. It consists of the outer coating of the seeds of the Plantago ovata plant and is rich in soluble fiber. Psyllium husk can be purchased in bulk or pre-packaged from health food stores, pharmacies, and online retailers. It can be easily mixed with water, juice, or added to smoothies, making it a versatile option for increasing fiber intake.
2. Psyllium Powder: Psyllium powder is made by grinding psyllium husk into a fine powder. This form is often preferred by those who find the texture of whole husks unpalatable. Psyllium powder can be mixed with liquids, incorporated into recipes, or sprinkled over food. It offers the same benefits as psyllium husk but may be more convenient for some users.
3. Psyllium Capsules and Tablets: For those who prefer a more convenient and mess-free option, psyllium is available in capsule and tablet forms. These supplements provide a measured dose of psyllium and can be easily taken with water. They are particularly useful for individuals who have a busy lifestyle or dislike the taste and texture of psyllium husk or powder.
4. Fiber Supplements: Many commercial fiber supplements contain psyllium as the primary ingredient. These supplements come in various forms, including powders, chewable tablets, and gummies. Brands like Metamucil and Konsyl are popular options that provide psyllium fiber in a palatable and easy-to-use format. These products often include flavorings and sweeteners to enhance taste.
5. Psyllium-Enriched Foods: Some food products are fortified with psyllium to boost their fiber content. These can include cereals, granola bars, and baked goods. Psyllium-enriched cereals are a convenient way to incorporate fiber into the diet, especially for those who prefer not to take supplements. It's important to read labels to ensure that the product contains a significant amount of psyllium.
6. Baking Ingredients: Psyllium husk powder can be used as a baking ingredient to add fiber to homemade bread, muffins, and other baked goods. It acts as a binding agent and can improve the texture of gluten-free recipes. Incorporating psyllium into baking is an excellent way to increase fiber intake without altering the flavor of the final product.

When choosing a psyllium product, it's essential to consider the quality and purity of the source. Opt for products that are free from artificial additives, fillers, and preservatives. Organic and non-GMO options are available for those who prefer natural and minimally processed supplements.

In summary, psyllium can be sourced from husks, powders, capsules, tablets, fiber supplements, enriched foods, and baking ingredients. Each form offers unique advantages, allowing individuals to select the option that best fits their lifestyle and dietary preferences.

Psyllium is available in several forms, each catering to different preferences and needs. These various forms make it easy to incorporate psyllium into your daily routine, whether you prefer a convenient supplement or a versatile ingredient for cooking and baking. Here are the primary forms in which psyllium is available:

1. Psyllium Husk: This is the most natural and unprocessed form of psyllium, consisting of the outer husks of the seeds of the Plantago ovata plant. Psyllium husk is rich in soluble fiber and can be mixed with water, juice, or other beverages. It can also be sprinkled over cereals, yogurt, or added to smoothies. This form is ideal for those who prefer a whole-food approach to supplementation.
2. Psyllium Powder: Made by grinding psyllium husks into a fine powder, this form is convenient and easy to use. Psyllium powder can be mixed into liquids, such as water, juice, or smoothies, and it blends more smoothly than whole husks. It can also be incorporated into recipes for baking, providing a fine texture that is less noticeable than husks.
3. Psyllium Capsules and Tablets: For those who prefer a more straightforward and mess-free option, psyllium is available in capsule and tablet forms. These provide a measured dose of psyllium and can be taken with water, making them convenient for on-the-go use. They are especially useful for individuals who dislike the taste or texture of psyllium husk or powder.
4. Psyllium Fiber Supplements: Commercial fiber supplements often contain psyllium as the main ingredient. Products like Metamucil and Konsyl come in various forms, including powders, chewable tablets, and gummies. These supplements are designed to be palatable and easy to use, often flavored and sweetened to improve taste. They can be mixed with water or other beverages as directed.
5. Psyllium-Enriched Foods: Some food products are fortified with psyllium to enhance their fiber content. These include cereals, granola bars, and baked goods. Psyllium-enriched foods provide a convenient way to increase fiber intake without the need for separate supplements. It's important to check the nutrition labels to ensure that the product contains a significant amount of psyllium.
6. Baking Ingredients: Psyllium husk powder can be used as an ingredient in baking, particularly in gluten-free recipes. It acts as a binding agent and helps improve the texture of baked goods. Adding psyllium to homemade bread, muffins, and other baked items is an excellent way to incorporate fiber into your diet without altering the flavor.

Each form of psyllium offers unique advantages, allowing you to choose the option that best fits your lifestyle and dietary preferences. Whether you prefer the versatility of psyllium husk, the convenience of capsules, or the ease of psyllium-enriched foods, there's a form of psyllium to suit everyone's needs. Always ensure adequate fluid intake when consuming psyllium to maximize its benefits and prevent potential side effects such as bloating or constipation.

The efficacy of psyllium is largely attributed to its rich content of soluble fiber, specifically the mucilage component. Mucilage is a complex mixture of polysaccharides, primarily composed of arabinoxylans, which are critical to psyllium's gel-forming properties. These polysaccharides are responsible for the water-absorbing and gel-forming capabilities that make psyllium such an effective dietary fiber.

1. Arabinoxylans: Arabinoxylans are the principal polysaccharides found in psyllium husk. They consist of a backbone of xylose units with arabinose side chains. This structure allows them to absorb significant amounts of water, forming a viscous gel. This gel increases stool bulk and moisture content, facilitating easier bowel movements and alleviating constipation. The gel-forming property of arabinoxylans also slows down the digestion and absorption of nutrients, which can help regulate blood sugar levels and manage cholesterol. A study published in the Journal of Lipid Research highlights that the gel-forming fiber in psyllium can effectively lower LDL cholesterol levels by binding bile acids and reducing their reabsorption.

2. Hemicellulose: Hemicellulose is another important component of psyllium, contributing to its overall fiber content. While it is not as abundant as arabinoxylans, hemicellulose plays a supportive role in enhancing the fiber's water-absorbing capacity. This helps in forming the bulk that aids in promoting regular bowel movements and improving digestive health.

3. Lignin: Lignin is a complex organic polymer found in the cell walls of plants, including psyllium. Though present in smaller quantities compared to arabinoxylans and hemicellulose, lignin adds to the structural integrity and overall fiber content of psyllium. It contributes to the bulking effect of psyllium, which is crucial for its laxative properties.

4. Cellulose: Cellulose is another polysaccharide present in psyllium, though in lesser amounts than arabinoxylans. It is an insoluble fiber that adds bulk to the stool and aids in the passage of food through the digestive tract. While cellulose does not form a gel, it complements the actions of soluble fibers by providing additional bulk and promoting digestive regularity.

5. Protein and Fat: Psyllium also contains trace amounts of protein and fat, but these are not significant contributors to its efficacy as a fiber supplement. The primary benefits of psyllium are derived from its high fiber content, particularly the soluble fibers like arabinoxylans and hemicellulose.

In summary, the critical sub-compounds of psyllium that contribute to its efficacy are predominantly the soluble fibers, especially arabinoxylans. These polysaccharides are responsible for psyllium's water-absorbing and gel-forming properties, which underlie its benefits in promoting digestive health, regulating blood sugar levels, and managing cholesterol. The presence of other fibers like hemicellulose, lignin, and cellulose further enhances its overall effectiveness as a dietary fiber supplement.

Psyllium is known by several names, including its scientific name, common names, and various spellings and abbreviations. Understanding these different terms can help you identify psyllium in various products and contexts. Here are some of the most common synonyms and alternative names for psyllium:

1. Scientific Names:
   • Plantago ovata: This is the botanical name of the plant from which psyllium is derived.
   • Plantago psyllium: Another botanical name sometimes used interchangeably with Plantago ovata.
2. Common Names:
   • Blond Psyllium: Refers to the light color of the psyllium husk.
   • Ispaghula: A term commonly used in the United Kingdom and some other regions.
   • Isabgol: A traditional name for psyllium in India.
   • Spogel Seeds: A less common name that might appear in some contexts.
3. Misspellings and Variants:
   • Psyllium Husk: The husk is the outer layer of the seed and is the most commonly used part of the plant.
   • Psyllium Seed: Refers to the whole seed, although the husk is typically what's used for fiber supplements.
   • Psillium: A common misspelling of psyllium.
   • Psyllium Fiber: Emphasizes the fiber content of the supplement.
4. Abbreviations:
   • PSY: Often used in scientific literature to refer to psyllium.
5. Chemical Compounds:
   • Mucilage: The gel-forming component of psyllium, primarily composed of polysaccharides like arabinoxylans.
   • Arabinoxylans: The main polysaccharides in psyllium that contribute to its fiber content and gel-forming properties.
   • Hemicellulose: A supporting polysaccharide in psyllium.
   • Cellulose: An insoluble fiber present in psyllium.
   • Lignin: A complex organic polymer that adds bulk to psyllium fiber.
6. Ingredients:
   • Psyllium Husk Powder: The powdered form of psyllium husk, often used in supplements and cooking.
   • Psyllium Seed Powder: Less common, but refers to the powdered form of the whole seed.
   • Psyllium Capsule/Tablets: Encapsulated or tablet forms of psyllium husk powder for easy consumption.
   • Psyllium Fiber Supplement: A general term for any product containing psyllium as the primary source of fiber.

Understanding these various names and terms can help you identify psyllium in different products and ensure you are selecting the right form for your needs. Whether you encounter it as "ispaghula" in the UK, "isabgol" in India, or simply as "psyllium husk" in your local health store, knowing these synonyms can make it easier to find and use this beneficial fiber supplement.

When selecting a psyllium supplement, it's essential to examine the product label carefully to ensure you're getting a high-quality and effective product. Here are some key factors to look for on the label:

1. Purity and Ingredients:
   • 100% Pure Psyllium Husk or Powder: Ensure that the primary ingredient is pure psyllium husk or powder, without unnecessary fillers or additives. The label should clearly state that the product contains 100% psyllium.
   • Absence of Fillers and Additives: Look for supplements that do not contain artificial colors, flavors, preservatives, or other unnecessary additives. Pure psyllium should be the main component.
2. Fiber Content:
   • Soluble Fiber Amount: Check the label for the amount of soluble fiber per serving. Psyllium is valued for its high soluble fiber content, which is responsible for its gel-forming properties. A higher soluble fiber content indicates a more effective product.
   • Serving Size: Note the serving size and the amount of fiber provided per serving to ensure it meets your dietary needs.
3. Certifications and Quality Seals:
   • Third-Party Testing: Look for certifications from third-party testing organizations such as NSF International, USP (United States Pharmacopeia), or ConsumerLab. These certifications indicate that the product has been independently tested for quality, purity, and potency.
   • Organic Certification: If you prefer organic products, look for an organic certification seal from reputable organizations such as USDA Organic or Certified Organic by relevant authorities. This ensures the psyllium was grown without synthetic pesticides or fertilizers.
4. Non-GMO:
   • Non-GMO Verified: Ensure the product is labeled as non-GMO, meaning it does not contain genetically modified organisms. The Non-GMO Project Verified seal is a reliable indicator.
5. Allergen Information:
   • Allergen-Free: Check for allergen information to ensure the supplement does not contain common allergens such as gluten, dairy, soy, or nuts. This is especially important for individuals with food allergies or sensitivities.
6. Dosage and Usage Instructions:
   • Clear Dosage Instructions: The label should provide clear instructions on how to take the supplement, including the recommended dosage, how to mix it, and how often to take it.
   • Hydration Instructions: Since psyllium requires adequate water intake, the label should emphasize the importance of consuming the supplement with plenty of fluids to prevent potential side effects like bloating or constipation.
7. Expiration Date and Storage Instructions:
   • Expiration Date: Ensure the product has a clearly marked expiration date to guarantee freshness and efficacy.
   • Storage Instructions: Look for storage instructions to ensure the product maintains its quality. Psyllium should be stored in a cool, dry place, away from direct sunlight.
8. Manufacturer Information:
   • Reputable Manufacturer: Check for the manufacturer's name and contact information. Reputable manufacturers are more likely to produce high-quality supplements and provide customer support.

By paying attention to these factors on the label, you can select a high-quality psyllium supplement that meets your dietary needs and supports your health goals effectively. Always consider consulting with a healthcare provider before starting any new supplement regimen to ensure it is appropriate for your individual health needs.

The information provided on this website, including any text, images, or other material contained within, is for informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition. This page was created by the SuppCo editiorial team, with AI summarization tools, including data from but not limited to following studies:

1. Tatsuya Morita, S. Kasaoka, Koji Hase, S. Kiriyama (1999). Psyllium shifts the fermentation site of high-amylose cornstarch toward the distal colon and increases fecal butyrate concentration in rats.. The Journal of nutrition, 129 11,
   2081-7 . Link: 10.1093/JN/129.11.2081
2. V. Ganji, C. Kies (1994). Psyllium husk fibre supplementation to soybean and coconut oil diets of humans: effect on fat digestibility and faecal fatty acid excretion.. European journal of clinical nutrition, 48 8,
   595-7 . Link:
3. Zhitong Deng, Cong Meng, Haodong Huang, Siyu Song, Linchun Fu, Zhuotao Fu (2022). The different effects of psyllium husk and orlistat on weight control, the amelioration of hypercholesterolemia and non-alcohol fatty liver disease in obese mice induced by a high-fat diet.. Food & function, , . Link: 10.1039/d2fo01161a
4. Soltanian Noureddin, Janghorbani Mohsen, A. Payman (2018). Effects of psyllium vs. placebo on constipation, weight, glycemia, and lipids: A randomized trial in patients with type 2 diabetes and chronic constipation.. Complementary therapies in medicine, 40,
   1-7 . Link: 10.1016/j.ctim.2018.07.004
5. J. Jalanka, G. Major, K. Murray, Gulzar Singh, A. Nowak, C. Kurtz, I. Silos-santiago, J. Johnston, W. D. de Vos, R. Spiller (2019). The Effect of Psyllium Husk on Intestinal Microbiota in Constipated Patients and Healthy Controls. International Journal of Molecular Sciences, 20, . Link: 10.3390/ijms20020433
6. Manije Darooghegi Mofrad, H. Mozaffari, seyed mohammad Mousavi, A. Sheikhi, A. Milajerdi (2020). The effects of psyllium supplementation on body weight, body mass index and waist circumference in adults: A systematic review and dose-response meta-analysis of randomized controlled trials. Critical Reviews in Food Science and Nutrition, 60, 859 - 872. Link: 10.1080/10408398.2018.1553140
7. J. Marlett, Theresa M Kajs, Milton H. Fischer (2000). An unfermented gel component of psyllium seed husk promotes laxation as a lubricant in humans.. The American journal of clinical nutrition, 72 3,
   784-9 . Link: 10.1093/AJCN/72.3.784
8. Zhifang Xiao, Hui Chen, Yu Zhang, Hui-wei Deng, Kunwei Wang, A. Bhagavathula, Shamma Jauaan Almuhairi, P. Ryan, J. Rahmani, Minyan Dang, V. Kontogiannis, Andrew Vick, Yuhe Wei (2020). The effect of psyllium consumption on weight, body mass index, lipid profile, and glucose metabolism in diabetic patients: A systematic review and dose‐response meta‐analysis of randomized controlled trials. Phytotherapy Research, 34, 1237 - 1247. Link: 10.1002/ptr.6609
9. M. Jane, Jenny-Lee McKay, S. Pal (2019). Effects of daily consumption of psyllium, oat bran and polyGlycopleX on obesity-related disease risk factors: A critical review.. Nutrition, 57,
   84-91 . Link: 10.1016/j.nut.2018.05.036
10. Z. D. Abraham, T. Mehta (1988). Three-week psyllium-husk supplementation: effect on plasma cholesterol concentrations, fecal steroid excretion, and carbohydrate absorption in men.. The American journal of clinical nutrition, 47 1,
    67-74 . Link: 10.1093/AJCN/47.1.67
11. J. Bergmann, Chassany, A. Petit, R. Triki, C. Caulin, J. Segrestaa, Chassany A Petit, Clinique Therapeutique, H6pital Lariboisiere, Rue Ambroise (1992). Correlation between echographic gastric emptying and appetite: influence of psyllium.. Gut, 33, 1042 - 1043. Link: 10.1136/gut.33.8.1042
12. J. Brum, R. Gibb, J. Peters, R. Mattes (2016). Satiety effects of psyllium in healthy volunteers. Appetite, 105, 27-36. Link: 10.1016/j.appet.2016.04.041
13. L. Karhunen, Kristiina R. Juvonen, Sanna M Flander, K. Liukkonen, L. Lähteenmäki, M. Siloaho, D. Laaksonen, K. Herzig, M. Uusitupa, K. Poutanen (2010). A psyllium fiber-enriched meal strongly attenuates postprandial gastrointestinal peptide release in healthy young adults.. The Journal of nutrition, 140 4,
    737-44 . Link: 10.3945/jn.109.115436
14. S. Pal, S. Radavelli-Bagatini (2012). Effects of psyllium on metabolic syndrome risk factors. Obesity Reviews, 13, . Link: 10.1111/j.1467-789X.2012.01020.x
15. D. Rigaud, F. Paycha, A. Meulemans, M. Merrouche, M. Mignon (1998). Effect of psyllium on gastric emptying, hunger feeling and food intake in normal volunteers: a double blind study. European Journal of Clinical Nutrition, 52, 239-245. Link: 10.1038/sj.ejcn.1600518
16. M. Jane, Jenny-Lee McKay, S. Pal (2019). Effects of daily consumption of psyllium, oat bran and polyGlycopleX on obesity-related disease risk factors: A critical review.. Nutrition, 57,
    84-91 . Link: 10.1016/j.nut.2018.05.036
17. Zhitong Deng, Cong Meng, Haodong Huang, Siyu Song, Linchun Fu, Zhuotao Fu (2022). The different effects of psyllium husk and orlistat on weight control, the amelioration of hypercholesterolemia and non-alcohol fatty liver disease in obese mice induced by a high-fat diet.. Food & function, , . Link: 10.1039/d2fo01161a
18. S. Pal, S. Radavelli-Bagatini, Suleen S. Ho, Jenny-Lee McKay, M. Jane (2014). Using Psyllium to Prevent and Treat Obesity Comorbidities. {"title"=>"", "scimago_quartile"=>nil}, , 505-514. Link: 10.1016/B978-0-12-407869-7.00042-8
19. Zhifang Xiao, Hui Chen, Yu Zhang, Hui-wei Deng, Kunwei Wang, A. Bhagavathula, Shamma Jauaan Almuhairi, P. Ryan, J. Rahmani, Minyan Dang, V. Kontogiannis, Andrew Vick, Yuhe Wei (2020). The effect of psyllium consumption on weight, body mass index, lipid profile, and glucose metabolism in diabetic patients: A systematic review and dose‐response meta‐analysis of randomized controlled trials. Phytotherapy Research, 34, 1237 - 1247. Link: 10.1002/ptr.6609
20. J. Jalanka, G. Major, K. Murray, Gulzar Singh, A. Nowak, C. Kurtz, I. Silos-santiago, J. Johnston, W. D. de Vos, R. Spiller (2019). The Effect of Psyllium Husk on Intestinal Microbiota in Constipated Patients and Healthy Controls. International Journal of Molecular Sciences, 20, . Link: 10.3390/ijms20020433
21. R. Gibb, J. Mcrorie, D. Russell, V. Hasselblad, D. D’Alessio (2015). Psyllium fiber improves glycemic control proportional to loss of glycemic control: a meta-analysis of data in euglycemic subjects, patients at risk of type 2 diabetes mellitus, and patients being treated for type 2 diabetes mellitus.. The American journal of clinical nutrition, 102 6,
    1604-14 . Link: 10.3945/ajcn.115.106989
22. Sally Shuk Han Pang, Kwok Tai Chui, Miltiadis Demetrios Lytras (2019). Glycemic Monitoring and Prediction With Response Improvement via Psyllium. Computational Methods and Algorithms for Medicine and Optimized Clinical Practice, , . Link: 10.4018/978-1-5225-8244-1.CH009
23. M. Sierra, JJ García, N. Fernández, M. Díez, AP Calle, Farmafibra Group (2002). Therapeutic effects of psyllium in type 2 diabetic patients. European Journal of Clinical Nutrition, 56, 830-842. Link: 10.1038/sj.ejcn.1601398
24. Karen Watters, P. Blaisdell (1989). Reduction of Glycemic and Lipid Levels in db/db Diabetic Mice by Psyllium Plant Fiber. Diabetes, 38, 1528 - 1533. Link: 10.2337/diab.38.12.1528
25. M. Feinglos, R. Gibb, D. Ramsey, R. Surwit, J. Mcrorie (2013). Psyllium improves glycemic control in patients with type-2 diabetes mellitus. Bioactive Carbohydrates and Dietary Fibre, 1, 156-161. Link: 10.1016/J.BCDF.2013.02.003
26. M. Rodríguez-Moran, F. Guerrero‐Romero, Gloria Lazcano-Burciaga (1998). Lipid- and glucose-lowering efficacy of Plantago Psyllium in type II diabetes.. Journal of diabetes and its complications, 12 5,
    273-8 . Link: 10.1016/S1056-8727(98)00003-8
27. Ayman S. Abutair, I. Naser, Amin T Hamed (2016). Soluble fibers from psyllium improve glycemic response and body weight among diabetes type 2 patients (randomized control trial). Nutrition Journal, 15, . Link: 10.1186/s12937-016-0207-4
28. James W. Anderson, L. Allgood, J. Turner, P. Oeltgen, B. Daggy (1999). Effects of psyllium on glucose and serum lipid responses in men with type 2 diabetes and hypercholesterolemia.. The American journal of clinical nutrition, 70 4,
    466-73 . Link: 10.1093/AJCN/70.4.466
29. S. Ziai, B. Larijani, Shahin Akhoondzadeh, H. Fakhrzadeh, A. Dastpak, F. Bandarian, Afsaneh Rezai, H. Badi, T. Emami (2005). Psyllium decreased serum glucose and glycosylated hemoglobin significantly in diabetic outpatients.. Journal of ethnopharmacology, 102 2,
    202-7 . Link: 10.1016/J.JEP.2005.06.042
30. Zhifang Xiao, Hui Chen, Yu Zhang, Hui-wei Deng, Kunwei Wang, A. Bhagavathula, Shamma Jauaan Almuhairi, P. Ryan, J. Rahmani, Minyan Dang, V. Kontogiannis, Andrew Vick, Yuhe Wei (2020). The effect of psyllium consumption on weight, body mass index, lipid profile, and glucose metabolism in diabetic patients: A systematic review and dose‐response meta‐analysis of randomized controlled trials. Phytotherapy Research, 34, 1237 - 1247. Link: 10.1002/ptr.6609
31. S. Ziai, B. Larijani, Shahin Akhoondzadeh, H. Fakhrzadeh, A. Dastpak, F. Bandarian, Afsaneh Rezai, H. Badi, T. Emami (2005). Psyllium decreased serum glucose and glycosylated hemoglobin significantly in diabetic outpatients.. Journal of ethnopharmacology, 102 2,
    202-7 . Link: 10.1016/J.JEP.2005.06.042
32. M. Feinglos, R. Gibb, D. Ramsey, R. Surwit, J. Mcrorie (2013). Psyllium improves glycemic control in patients with type-2 diabetes mellitus. Bioactive Carbohydrates and Dietary Fibre, 1, 156-161. Link: 10.1016/J.BCDF.2013.02.003
33. R. Gibb, J. Mcrorie, D. Russell, V. Hasselblad, D. D’Alessio (2015). Psyllium fiber improves glycemic control proportional to loss of glycemic control: a meta-analysis of data in euglycemic subjects, patients at risk of type 2 diabetes mellitus, and patients being treated for type 2 diabetes mellitus.. The American journal of clinical nutrition, 102 6,
    1604-14 . Link: 10.3945/ajcn.115.106989
34. Soltanian Noureddin, Janghorbani Mohsen, A. Payman (2018). Effects of psyllium vs. placebo on constipation, weight, glycemia, and lipids: A randomized trial in patients with type 2 diabetes and chronic constipation.. Complementary therapies in medicine, 40,
    1-7 . Link: 10.1016/j.ctim.2018.07.004
35. G. Sartore, R. Reitano, A. Barison, P. Magnanini, Chiara Cosma, S. Burlina, Enzo Manzato, Domenico Fedele, A. Lapolla (2009). The effects of psyllium on lipoproteins in type II diabetic patients. European Journal of Clinical Nutrition, 63, 1269-1271. Link: 10.1038/ejcn.2009.60
36. M. Sierra, JJ García, N. Fernández, M. Díez, AP Calle, Farmafibra Group (2002). Therapeutic effects of psyllium in type 2 diabetic patients. European Journal of Clinical Nutrition, 56, 830-842. Link: 10.1038/sj.ejcn.1601398
37. Zhifang Xiao, Hui Chen, Yu Zhang, Hui-wei Deng, Kunwei Wang, A. Bhagavathula, Shamma Jauaan Almuhairi, P. Ryan, J. Rahmani, Minyan Dang, V. Kontogiannis, Andrew Vick, Yuhe Wei (2020). The effect of psyllium consumption on weight, body mass index, lipid profile, and glucose metabolism in diabetic patients: A systematic review and dose‐response meta‐analysis of randomized controlled trials. Phytotherapy Research, 34, 1237 - 1247. Link: 10.1002/ptr.6609
38. Ayman S. Abutair, I. Naser, Amin T Hamed (2016). Soluble fibers from psyllium improve glycemic response and body weight among diabetes type 2 patients (randomized control trial). Nutrition Journal, 15, . Link: 10.1186/s12937-016-0207-4
39. Noureddin Soltanian, M. Janghorbani (2019). Effect of flaxseed or psyllium vs. placebo on management of constipation, weight, glycemia, and lipids: A randomized trial in constipated patients with type 2 diabetes.. Clinical nutrition ESPEN, 29,
    41-48 . Link: 10.1016/j.clnesp.2018.11.002
40. James W. Anderson, L. Allgood, J. Turner, P. Oeltgen, B. Daggy (1999). Effects of psyllium on glucose and serum lipid responses in men with type 2 diabetes and hypercholesterolemia.. The American journal of clinical nutrition, 70 4,
    466-73 . Link: 10.1093/AJCN/70.4.466
41. C. Summerbell, P. Manley, D. Barnes, A. Leeds (1994). The effects of psyllium on blood lipids in hypercholesterolaemic subjects. Journal of Human Nutrition and Dietetics, 7, 147-151. Link: 10.1111/J.1365-277X.1994.TB00423.X
42. E. Jovanovski, Shahen Yashpal, A. Komishon, A. Zurbau, Sonia Blanco Mejia, H. Ho, Dandan Li, J. Sievenpiper, L. Duvnjak, V. Vuksan (2018). Effect of psyllium (Plantago ovata) fiber on LDL cholesterol and alternative lipid targets, non-HDL cholesterol and apolipoprotein B: a systematic review and meta-analysis of randomized controlled trials.. The American journal of clinical nutrition, 108 5,
    922-932 . Link: 10.1093/ajcn/nqy115
43. Sudeep Shrestha, H. Freake, M. McGrane, J. Volek, M. Fernández (2007). A combination of psyllium and plant sterols alters lipoprotein metabolism in hypercholesterolemic subjects by modifying the intravascular processing of lipoproteins and increasing LDL uptake.. The Journal of nutrition, 137 5,
    1165-70 . Link: 10.1093/JN/137.5.1165
44. Sudeep Shrestha, J. Volek, J. Udani, R. Wood, Christine M Greene, Dimple Aggarwal, J. Contois, Ben Kavoussi, M. Fernández (2006). A combination therapy including psyllium and plant sterols lowers LDL cholesterol by modifying lipoprotein metabolism in hypercholesterolemic individuals.. The Journal of nutrition, 136 10,
    2492-7 . Link: 10.1093/JN/136.10.2492
45. S. Vega-López, K. Conde-Knape, R. Vidal-Quintanar, N. Shachter, M. Fernández (2002). Sex and hormonal status influence the effects of psyllium on lipoprotein remodeling and composition.. Metabolism: clinical and experimental, 51 4,
    500-7 . Link: 10.1053/META.2002.31342
46. G. Everson, B. Daggy, C. McKinley, J. Story (1992). Effects of psyllium hydrophilic mucilloid on LDL-cholesterol and bile acid synthesis in hypercholesterolemic men.. Journal of lipid research, 33 8,
    1183-92 . Link:
47. Maria Luz Fernandez, Laura R. Ruiz, A. K. Conde, Dong-Ming Sun, Sandra K. Erickson, Donald J. McNamara (1995). Psyllium reduces plasma LDL in guinea pigs by altering hepatic cholesterol homeostasis.. Journal of lipid research, 36 5,
    1128-38 . Link:
48. B. Dennison, D. Levine (1993). Randomized, double-blind, placebo-controlled, two-period crossover clinical trial of psyllium fiber in children with hypercholesterolemia.. The Journal of pediatrics, 123 1,
    24-9 . Link: 10.1016/S0022-3476(05)81532-X
49. Jay D. Horton, J. Cuthbert, D. Spady (1994). Regulation of hepatic 7 alpha-hydroxylase expression by dietary psyllium in the hamster.. The Journal of clinical investigation, 93 5,
    2084-92 . Link: 10.1172/JCI117203
50. Zhifang Xiao, Hui Chen, Yu Zhang, Hui-wei Deng, Kunwei Wang, A. Bhagavathula, Shamma Jauaan Almuhairi, P. Ryan, J. Rahmani, Minyan Dang, V. Kontogiannis, Andrew Vick, Yuhe Wei (2020). The effect of psyllium consumption on weight, body mass index, lipid profile, and glucose metabolism in diabetic patients: A systematic review and dose‐response meta‐analysis of randomized controlled trials. Phytotherapy Research, 34, 1237 - 1247. Link: 10.1002/ptr.6609
51. James W. Anderson, L. Allgood, Ann Lawrence, L. Altringer, G. Jerdack, D. Hengehold, J. Morel (2000). Cholesterol-lowering effects of psyllium intake adjunctive to diet therapy in men and women with hypercholesterolemia: meta-analysis of 8 controlled trials.. The American journal of clinical nutrition, 71 2,
    472-9 . Link: 10.1093/AJCN/71.2.472
52. Sudeep Shrestha, J. Volek, J. Udani, R. Wood, Christine M Greene, Dimple Aggarwal, J. Contois, Ben Kavoussi, M. Fernández (2006). A combination therapy including psyllium and plant sterols lowers LDL cholesterol by modifying lipoprotein metabolism in hypercholesterolemic individuals.. The Journal of nutrition, 136 10,
    2492-7 . Link: 10.1093/JN/136.10.2492
53. Guido MA Van Rosendaal, E. Shaffer, A. Edwards, R. Brant (2004). Effect of time of administration on cholesterol-lowering by psyllium: a randomized cross-over study in normocholesterolemic or slightly hypercholesterolemic subjects. Nutrition Journal, 3, 17 - 17. Link: 10.1186/1475-2891-3-17
54. David JA Jenkins, T. Wolever, E. Vidgen, C. Kendall, T. Ransom, C. Mehling, S. Mueller, S. Cunnane, N. O'connell, K. Setchell, Herb Lau, Jerome M. Teitel, M. Garvey, V. Fulgoni, P. Connelly, R. Patten, P. Corey (1997). Effect of psyllium in hypercholesterolemia at two monounsaturated fatty acid intakes.. The American journal of clinical nutrition, 65 5,
    1524-33 . Link: 10.1093/AJCN/65.5.1524
55. James W. Anderson, M. H. Davidson, L. Blonde, W. Brown, W. Howard, H. Ginsberg, L. Allgood, K. Weingand (2000). Long-term cholesterol-lowering effects of psyllium as an adjunct to diet therapy in the treatment of hypercholesterolemia.. The American journal of clinical nutrition, 71 6,
    1433-8 . Link: 10.1093/AJCN/71.6.1433
56. S. Ribas, D. Cunha, R. Sichieri, L. C. Santana da Silva (2015). Effects of psyllium on LDL-cholesterol concentrations in Brazilian children and adolescents: a randomised, placebo-controlled, parallel clinical trial.. The British journal of nutrition, 113 1,
    134-41 . Link: 10.1017/S0007114514003419
57. E. Jovanovski, Shahen Yashpal, A. Komishon, A. Zurbau, Sonia Blanco Mejia, H. Ho, Dandan Li, J. Sievenpiper, L. Duvnjak, V. Vuksan (2018). Effect of psyllium (Plantago ovata) fiber on LDL cholesterol and alternative lipid targets, non-HDL cholesterol and apolipoprotein B: a systematic review and meta-analysis of randomized controlled trials.. The American journal of clinical nutrition, 108 5,
    922-932 . Link: 10.1093/ajcn/nqy115
58. B. Arjmandi, E. Sohn, S. Juma, S. Murthy, B. Daggy (1997). Native and partially hydrolyzed psyllium have comparable effects on cholesterol metabolism in rats.. The Journal of nutrition, 127 3,
    463-9 . Link: 10.1093/JN/127.3.463
59. Wei Zh, Hong Wang, Chen Xy, Bai-song Wang, Zheng-xing Rong, Bin Su, Hong-zhuan Chen (2009). Time- and dose-dependent effect of psyllium on serum lipids in mild-to-moderate hypercholesterolemia: a meta-analysis of controlled clinical trials. European Journal of Clinical Nutrition, 63, 821-827. Link: 10.1038/ejcn.2008.49
60. B. Olson, S. Anderson, M. Becker, J. Anderson, D. Hunninghake, D. Jenkins, J. Larosa, J. Rippe, D. Roberts, D. B. Stoy, C. Summerbell, A. Truswell, T. Wolever, D. H. Morris, V. Fulgoni (1997). Psyllium-enriched cereals lower blood total cholesterol and LDL cholesterol, but not HDL cholesterol, in hypercholesterolemic adults: results of a meta-analysis.. The Journal of nutrition, 127 10,
    1973-80 . Link: 10.1093/JN/127.10.1973