Feverfew, scientifically known as Tanacetum parthenium, is a herbaceous perennial plant that belongs to the Asteraceae family. This plant is native to Southeastern Europe but has been widely cultivated in gardens around the world. Traditionally, feverfew has been used for its medicinal properties, particularly in folk medicine, to address a variety of health concerns. It is characterized by its small, daisy-like flowers and aromatic leaves, which are often used in herbal preparations.

The name "feverfew" is derived from the Latin word "febrifugia," which means "fever reducer." Historically, this plant was utilized to treat fevers and other inflammatory conditions. Over time, its use has evolved, and it is now most commonly associated with the prevention and management of migraines. The leaves, either fresh or dried, are the primary parts used for medicinal purposes.

Feverfew contains a variety of bioactive compounds, with parthenolide being one of the most studied and significant. Parthenolide is believed to contribute to the herb’s anti-inflammatory and vasomodulatory effects. These properties have made feverfew a subject of interest in the scientific community, particularly for its potential role in mitigating migraine symptoms and possibly other inflammatory conditions.

In summary, feverfew is a versatile herb with a rich history of use in traditional medicine. Its primary contemporary application lies in the prevention and management of migraines, supported by its anti-inflammatory properties and bioactive compounds. This plant continues to be an area of active research, aiming to better understand and validate its various health benefits.

Feverfew has been traditionally used for a variety of health issues, but its most well-known and researched application is in the prevention and management of migraine headaches. Several studies have investigated its effectiveness in this regard, yielding mixed but generally positive results.

One of the earliest and most cited studies on feverfew for migraine prevention was published in The Lancet in 1988. This randomized, double-blind, placebo-controlled trial found that participants who took feverfew experienced a significant reduction in the frequency and severity of migraine attacks compared to those who took a placebo. The study also noted improvements in associated symptoms like vomiting, without any serious side effects (Murphy et al., 1988).

Further supporting this, a 2002 study published in Cephalalgia examined the efficacy of different dosages of a feverfew extract known as MIG-99. This study concluded that there was a dose-response relationship in reducing the frequency of migraine attacks, particularly in a subset of participants who experienced frequent migraines. However, the study did not find a significant overall migraine prophylactic effect in the general population (Pfaffenrath et al., 2002).

On the other hand, some studies have shown less definitive results. For instance, a 1996 study in Phytomedicine did not find a significant difference between feverfew and placebo in preventing migraines, although participants using feverfew seemed to rely less on symptomatic medications (DeWeerdt et al., 1996). Similarly, a comprehensive review published in The Cochrane Database of Systematic Reviews in 2000 and updated in 2015 concluded that while some trials suggested beneficial effects of feverfew, the evidence was not strong enough to establish its efficacy beyond reasonable doubt (Pittler et al., 2000; Wider et al., 2015).

In summary, feverfew is primarily used for the prevention and management of migraines. While various studies have shown promising results, the scientific community remains cautious, emphasizing the need for larger, more rigorous trials to confirm its efficacy. Nonetheless, the existing body of research does suggest that feverfew can be beneficial for certain subsets of individuals who suffer from frequent migraines.

Feverfew’s potential therapeutic effects, especially in the context of migraine prevention, are attributed primarily to its bioactive compounds, with parthenolide being the most significant among them. Parthenolide is a sesquiterpene lactone that exhibits a range of biological activities, including anti-inflammatory, antioxidant, and vasomodulatory properties.

One of the primary mechanisms through which feverfew may exert its effects is by inhibiting the release of serotonin from platelets. Serotonin is a neurotransmitter involved in the regulation of pain and vascular function, and its dysregulation is thought to play a crucial role in the pathophysiology of migraines. By modulating serotonin release, feverfew may help stabilize blood vessel function and reduce the frequency and severity of migraine attacks.

Parthenolide also inhibits the production of inflammatory mediators such as prostaglandins and leukotrienes by blocking the activity of cyclooxygenase (COX) and lipoxygenase enzymes. These inflammatory mediators are known to contribute to the pain and other symptoms associated with migraines and inflammatory conditions. By reducing their production, feverfew can help mitigate inflammation and its related symptoms.

Additionally, feverfew is believed to inhibit nuclear factor-kappa B (NF-κB) activation, a protein complex that plays a key role in regulating the immune response to infection and inflammation. NF-κB is involved in the expression of various pro-inflammatory genes, and its inhibition by parthenolide can further contribute to the anti-inflammatory effects of feverfew.

In summary, feverfew works through multiple mechanisms that collectively contribute to its potential therapeutic benefits. These include inhibiting serotonin release, reducing the production of inflammatory mediators, and blocking NF-κB activation. These actions help to stabilize vascular function, reduce inflammation, and alleviate the symptoms associated with migraines and possibly other inflammatory conditions.

Feverfew's primary use in both men’s and women’s health is the prevention and management of migraines. However, the prevalence and characteristics of migraines can differ between genders, which may influence how feverfew is utilized and perceived in men’s and women’s health contexts.

Migraines are known to be more common in women than in men, likely due in part to hormonal differences. Women often experience migraines in connection with their menstrual cycles, pregnancy, and menopause, which can influence the frequency and severity of their symptoms. Given these hormonal influences, women might find feverfew particularly useful during specific times when hormonal fluctuations are more pronounced, such as during premenstrual syndrome (PMS) or perimenopause. Some women report that feverfew helps to stabilize these fluctuations and reduce the incidence of hormonally triggered migraines.

In men, migraines are generally less frequent but can still be debilitating. The use of feverfew in men’s health remains focused on its anti-inflammatory and vasomodulatory properties to manage migraine symptoms. While hormonal fluctuations are less of a concern, men may find feverfew beneficial for reducing the frequency and severity of migraines triggered by other factors such as stress, dietary habits, or environmental influences.

Beyond migraines, some anecdotal evidence and preliminary studies suggest that feverfew may have additional benefits, such as reducing symptoms of arthritis and other inflammatory conditions. These effects are generally applicable to both men and women, although individual responses can vary. More research is needed to fully understand these potential benefits and any gender-specific differences in efficacy.

In summary, while feverfew is primarily used for migraine prevention in both men and women, its application in women’s health may extend to managing hormonally influenced migraines. Men, on the other hand, may benefit from its general anti-inflammatory and vasomodulatory properties to address migraines triggered by non-hormonal factors. Further research could provide deeper insights into any additional gender-specific applications of feverfew.

The appropriate dosage of feverfew can vary depending on the specific preparation and the individual's needs. Most commonly, feverfew is consumed in the form of dried leaf capsules, standardized extracts, or tinctures. The dosage recommended in clinical studies and by herbal practitioners generally falls within a specific range, but it's important to adhere to product-specific guidelines and consult with a healthcare provider for personalized advice.

For dried leaf capsules, a typical dosage ranges from 50 to 150 mg per day. Many studies have used doses around 100 mg per day, which often corresponds to a preparation containing around 0.2% to 0.5% parthenolide, the active compound believed to contribute to feverfew's effects. It's crucial to look for products that specify the parthenolide content to ensure consistency and efficacy.

Standardized feverfew extracts, such as MIG-99, are another common form and are usually taken in doses of up to 6.25 mg three times a day. This specific dosage has been shown in some studies to be effective in reducing the frequency of migraine attacks, particularly in individuals with frequent migraines (Pfaffenrath et al., 2002).

Tinctures, which are liquid extracts of the herb, are also available and typically dosed at 1 to 2 mL taken two to three times daily. Because tinctures can vary in concentration, it is important to follow the manufacturer's instructions and consult with a healthcare provider to determine the appropriate amount.

In summary, the dosage of feverfew can vary depending on the form used and the individual’s specific needs. For dried leaf capsules, a common dosage is 50 to 150 mg per day. Standardized extracts like MIG-99 are often taken at 6.25 mg three times a day, while tinctures are usually dosed at 1 to 2 mL two to three times daily. Always refer to product-specific recommendations and consult a healthcare provider for personalized guidance.

While feverfew is generally considered safe for most people, it can cause some side effects, particularly when used over an extended period or in large doses. The most commonly reported side effects tend to be mild and transient, but it's important to be aware of them.

One of the most frequently reported side effects is gastrointestinal discomfort. This can include symptoms such as nausea, indigestion, bloating, and diarrhea. These issues are often mild and may subside as the body adjusts to the supplement. Taking feverfew with food can sometimes help minimize these gastrointestinal effects.

Another common side effect is mouth ulcers or irritation of the oral mucosa, sometimes referred to as "feverfew mouth." This occurs more frequently when fresh feverfew leaves are chewed rather than when the herb is taken in capsule or tablet form. Symptoms can include sores, swelling, and a burning sensation in the mouth. Switching to a different form of feverfew, such as a capsule or tincture, can help mitigate this issue.

Some individuals may experience allergic reactions to feverfew, particularly those who are sensitive to plants in the Asteraceae family, which includes ragweed, daisies, marigolds, and chrysanthemums. Symptoms of an allergic reaction can range from mild skin rashes and itching to more severe reactions like difficulty breathing. If any signs of an allergic reaction occur, it is crucial to discontinue use and seek medical attention.

Less commonly, feverfew may cause nervous system effects such as dizziness or headaches, which is somewhat paradoxical given its use in migraine prevention. These side effects are typically mild and temporary but should be monitored.

In summary, while feverfew is generally well-tolerated, it can cause mild side effects such as gastrointestinal discomfort, mouth ulcers, and allergic reactions. Less commonly, it may lead to nervous system effects like dizziness or headaches. Being aware of these potential side effects can help users make informed decisions and manage any adverse reactions that may arise.

While feverfew is generally considered safe for many individuals, there are certain groups of people who should avoid using this herb due to potential risks and contraindications. Understanding these groups can help prevent adverse effects and ensure safe usage.

Firstly, pregnant and breastfeeding women should avoid taking feverfew. There is limited research on the safety of feverfew during pregnancy and lactation, but it is known that certain compounds in the herb can stimulate uterine contractions, potentially leading to complications. Additionally, the effects of feverfew on breast milk and nursing infants have not been well-studied, so it is best to err on the side of caution.

Individuals with allergies to plants in the Asteraceae family, such as ragweed, daisies, marigolds, and chrysanthemums, should also avoid feverfew. These individuals may be at higher risk for allergic reactions, which can range from mild skin rashes and itching to more severe symptoms like difficulty breathing.

People who are scheduled for surgery or have bleeding disorders should be cautious with feverfew. The herb has been shown to have antiplatelet effects, which can interfere with blood clotting. This could increase the risk of bleeding during and after surgical procedures. It's generally recommended to stop taking feverfew at least two weeks before any scheduled surgery to minimize this risk.

Moreover, individuals taking certain medications should avoid feverfew due to potential interactions. For example, feverfew can interact with blood-thinning medications like warfarin and aspirin, enhancing their effects and increasing the risk of bleeding. It may also interact with other anti-inflammatory drugs, potentially leading to adverse effects.

Finally, children and adolescents should use feverfew with caution. While some studies have investigated its use in younger populations, the long-term safety and appropriate dosing for children are not well-established. Consulting with a healthcare provider is essential before administering feverfew to this group.

In summary, pregnant and breastfeeding women, individuals with allergies to Asteraceae plants, those scheduled for surgery or with bleeding disorders, people taking certain medications, and children should avoid taking feverfew. Being mindful of these contraindications can help ensure the safe and effective use of this herbal supplement.

Yes, feverfew supplements are known to interact with certain medications, which can lead to potentially adverse effects. It's important to be aware of these interactions to ensure safe and effective use of feverfew.

One of the most significant interactions is with blood-thinning medications (anticoagulants and antiplatelets). Feverfew has natural antiplatelet properties, which means it can inhibit blood clotting. When combined with other blood-thinning medications like warfarin, aspirin, or clopidogrel, the risk of bleeding can be significantly increased. This interaction can be particularly dangerous for individuals with bleeding disorders or those scheduled for surgery.

Feverfew may also interact with nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen and naproxen. Both feverfew and NSAIDs have anti-inflammatory effects, and their combined use could potentially increase the risk of gastrointestinal side effects, such as stomach ulcers or bleeding.

Another potential interaction is with medications metabolized by the liver's cytochrome P450 enzymes. Feverfew can affect the activity of these enzymes, which play a crucial role in the metabolism of many drugs. This interaction can alter the effectiveness and concentration of medications in the bloodstream, leading to either reduced efficacy or increased risk of side effects. Examples of drugs metabolized by cytochrome P450 enzymes include certain antidepressants, antiepileptics, and statins.

Additionally, feverfew may interact with migraine medications, particularly those that affect serotonin levels, such as triptans. Since feverfew is often used to prevent migraines, it is crucial to monitor for any changes in effectiveness or side effects when used in conjunction with prescribed migraine treatments.

In summary, feverfew can interact with blood-thinning medications, NSAIDs, drugs metabolized by the cytochrome P450 enzymes, and certain migraine medications. These interactions can lead to increased risks of bleeding, gastrointestinal issues, and altered drug efficacy. It is essential to consult with a healthcare provider before combining feverfew with any medications to ensure safe and effective use.

When looking for the best sources of feverfew, it's essential to consider quality, purity, and the reputation of the manufacturer. Feverfew supplements are available in various forms, including dried leaf capsules, standardized extracts, and tinctures. Here are some key points to help you identify high-quality sources of feverfew:

1. Standardized Extracts: One of the best ways to ensure consistency and potency is to choose feverfew supplements that are standardized to contain a specific amount of the active compound, parthenolide. Standardized extracts typically indicate the percentage of parthenolide on the label, ensuring that you receive a consistent dose with each serving. Look for supplements that specify a parthenolide content of around 0.2% to 0.5%.
2. Reputable Brands: Opt for supplements from well-known, reputable brands that adhere to good manufacturing practices (GMP). These brands are more likely to conduct rigorous quality control tests to ensure purity, potency, and safety. Some reputable brands may also provide third-party testing certificates, which add an extra layer of assurance regarding the quality of the product.
3. Organic and Non-GMO: Choosing feverfew supplements labeled as organic and non-GMO can help you avoid exposure to pesticides, herbicides, and genetically modified organisms. Organic products are grown and processed according to strict guidelines that prioritize environmental health and sustainability.
4. Transparent Labeling: High-quality feverfew supplements should have transparent labeling that includes detailed information about the ingredients, dosage, standardization, and any additional compounds present in the product. Avoid supplements with vague or incomplete labels, as this can be an indication of poor quality control.
5. Positive Reviews and Recommendations: Customer reviews and recommendations from healthcare providers can be valuable sources of information when selecting a feverfew supplement. Look for products with positive reviews and high ratings, as well as endorsements from trusted health professionals or organizations.
6. Specialized Retailers: Purchasing feverfew supplements from specialized health food stores, herbal shops, or reputable online retailers can also increase the likelihood of obtaining a high-quality product. These retailers often carry brands that are specifically known for their commitment to quality and efficacy.

In summary, the best sources of feverfew come from reputable brands that offer standardized extracts, adhere to good manufacturing practices, and provide transparent labeling. Opting for organic and non-GMO products, checking customer reviews, and purchasing from specialized retailers can further ensure that you are getting a high-quality feverfew supplement.

Feverfew is available in several different forms, each offering unique benefits and catering to varying preferences for consumption. The most common forms of feverfew supplements include dried leaf capsules, standardized extracts, tinctures, and teas. Here’s a closer look at each form:

1. Dried Leaf Capsules/Tablets:
   • Description: These are capsules or tablets filled with dried feverfew leaves, often ground into a powder.
   • Benefits: They provide a convenient and controlled way to consume feverfew, ensuring a consistent dosage. Capsules and tablets are also easy to carry and take on-the-go.
   • Usage: Typically, the recommended dosage ranges from 50 to 150 mg per day, depending on the product and individual needs.
2. Standardized Extracts:
   • Description: Standardized extracts are concentrated forms of feverfew that have been processed to contain a specific amount of active compounds, usually parthenolide.
   • Benefits: These extracts ensure a consistent and potent dose of the active ingredients, making them a preferred choice for those looking for reliable efficacy.
   • Usage: Standardized extracts like MIG-99 are often taken in dosages of up to 6.25 mg three times a day, but it’s important to follow the manufacturer's guidelines.
3. Tinctures:
   • Description: Tinctures are liquid extracts made by soaking feverfew leaves in alcohol or another solvent to extract the active compounds.
   • Benefits: Tinctures are quickly absorbed by the body and can be easily adjusted for dosage. They are also versatile and can be mixed with water or juice for easier consumption.
   • Usage: The typical dosage for feverfew tinctures is 1 to 2 mL taken two to three times daily, but this can vary based on the product’s concentration.
4. Teas:
   • Description: Feverfew tea is made by steeping dried feverfew leaves in hot water.
   • Benefits: Drinking feverfew tea is a traditional method of consumption that can offer soothing effects. It is a natural and straightforward way to incorporate feverfew into one’s daily routine.
   • Usage: To make feverfew tea, steep 1 to 2 teaspoons of dried leaves in a cup of hot water for about 10 minutes. It can be consumed once or twice daily, but the taste can be quite bitter, which may not be appealing to everyone.
5. Fresh Leaves:
   • Description: Fresh feverfew leaves can be chewed directly.
   • Benefits: This is the most natural form of consumption, ensuring that all the plant's compounds are intact.
   • Usage: Chewing 1 to 2 fresh leaves daily can be effective, but it often causes mouth irritation or ulcers, a condition known as "feverfew mouth."
6. Topical Applications:
   • Description: Feverfew is also available in creams or ointments for topical use.
   • Benefits: These preparations are used for their anti-inflammatory properties and may help with skin conditions or localized pain.
   • Usage: Apply as directed by the product’s instructions, usually to the affected area.

In summary, feverfew is available in various forms, including dried leaf capsules, standardized extracts, tinctures, teas, fresh leaves, and topical applications. Each form has its unique advantages and can be chosen based on individual preferences and specific health needs. Always follow the manufacturer's guidelines and consult with a healthcare provider for personalized advice.

The efficacy of feverfew is primarily attributed to its rich profile of bioactive compounds, with parthenolide being the most studied and critical among them. However, other sub-compounds also contribute to the therapeutic effects of feverfew. Let's delve into these key components:

1. Parthenolide:
   • Description: Parthenolide is a sesquiterpene lactone that is considered the principal active compound in feverfew.
   • Role: It is known for its potent anti-inflammatory, anti-migraine, and antioxidant properties. Parthenolide inhibits the release of serotonin from platelets and blocks the activity of inflammatory enzymes such as cyclooxygenase (COX) and lipoxygenase, thereby reducing the production of pro-inflammatory mediators like prostaglandins and leukotrienes.
   • Efficacy: Numerous studies have highlighted parthenolide's role in mitigating migraine symptoms and its potential in reducing inflammation. Standardized feverfew extracts often specify parthenolide content, ensuring consistent therapeutic benefits.
2. Flavonoids:
   • Description: Feverfew contains several flavonoids, including quercetin, apigenin, and luteolin.
   • Role: Flavonoids are known for their antioxidant and anti-inflammatory properties. They help neutralize free radicals, reduce oxidative stress, and modulate inflammatory responses.
   • Efficacy: These compounds enhance the overall anti-inflammatory effect of feverfew, contributing to its ability to alleviate migraine symptoms and other inflammatory conditions.
3. Volatile Oils:
   • Description: Feverfew's volatile oils include camphor, bornyl acetate, and germacrene D.
   • Role: These oils have been shown to possess anti-inflammatory and analgesic properties. They can help in soothing pain and reducing inflammation.
   • Efficacy: While volatile oils are present in smaller quantities, they complement the actions of parthenolide and flavonoids, enhancing the herb's overall efficacy.
4. Sesquiterpene Lactones (other than Parthenolide):
   • Description: In addition to parthenolide, feverfew contains other sesquiterpene lactones like santamarin and costunolide.
   • Role: These compounds also exhibit anti-inflammatory and immunomodulatory effects, contributing to the herb's therapeutic profile.
   • Efficacy: They work synergistically with parthenolide and other bioactive compounds to enhance feverfew's efficacy in managing migraines and inflammation.
5. Pyrrolizidine Alkaloids:
   • Description: Feverfew contains trace amounts of pyrrolizidine alkaloids.
   • Role: These compounds have been studied for their potential biological activities, although their role in feverfew's efficacy is less clear compared to other compounds.
   • Efficacy: The presence of pyrrolizidine alkaloids is generally minimal and does not significantly impact the therapeutic benefits of feverfew.

In summary, the critical sub-compounds contributing to the efficacy of feverfew include parthenolide, flavonoids, volatile oils, and other sesquiterpene lactones. Parthenolide is particularly significant due to its potent anti-inflammatory and anti-migraine properties, but the synergistic effects of these compounds collectively enhance feverfew's therapeutic potential. Understanding the role of these bioactive components can help in selecting high-quality feverfew supplements and optimizing their health benefits.

Feverfew, scientifically known as Tanacetum parthenium, is known by several other names, common misspellings, and abbreviations. These various names and terms can be useful for recognizing the herb in different contexts, whether in scientific literature, herbal supplements, or traditional medicine.

Common Names:

1. Featherfew: This is a variant name that reflects the appearance of the plant’s finely divided leaves.
2. Bachelor’s Buttons: An old-fashioned name that is sometimes used in reference to the plant's small, daisy-like flowers.
3. Wild Chamomile: Although not botanically related to true chamomile, feverfew is sometimes referred to by this name due to its similar appearance and traditional uses.
4. Altamisa: A name used in some Spanish-speaking regions.
5. Wild Quinine: Another traditional name, though it is not related to the quinine used to treat malaria.

Common Misspellings and Abbreviations:

1. Feverfue: A common misspelling of feverfew.
2. Feverfuge: Another misspelling that occasionally appears.
3. Tanacetum: Sometimes used as an abbreviation, referencing the genus of the plant.

Other Names in Traditional Medicine:

1. Mutterkraut: A name used in German-speaking regions.
2. Partenelle: The French name for feverfew.
3. Santa Maria: Used in some herbal traditions.

Chemical Compounds and Ingredients:

1. Parthenolide: The primary active sesquiterpene lactone compound in feverfew, known for its anti-inflammatory properties.
2. Santamarin: Another sesquiterpene lactone found in feverfew.
3. Costunolide: Yet another sesquiterpene lactone contributing to feverfew's therapeutic effects.
4. Quercetin: A flavonoid present in feverfew with antioxidant properties.
5. Apigenin: Another flavonoid that has anti-inflammatory and antioxidant effects.
6. Luteolin: A flavonoid known for its anti-inflammatory and neuroprotective properties.
7. Volatile Oils: Including camphor, bornyl acetate, and germacrene D, which contribute to the plant's aromatic properties and therapeutic effects.

Botanical Synonyms:

1. Chrysanthemum parthenium: An older botanical name that is sometimes still used in literature.
2. Pyrethrum parthenium: Another historical botanical name.

Understanding these various names and terms can help you identify feverfew in different contexts and ensure that you are selecting the correct herb for your needs. Whether you come across it in traditional medicine, scientific studies, or supplement labels, recognizing these names can be quite useful.

When selecting a feverfew supplement, it’s crucial to pay attention to the label to ensure product quality and efficacy. Here are some key factors to look for:

1. Standardization:
   • Description: Standardization indicates that the supplement contains a consistent amount of active ingredients, usually parthenolide.
   • What to Look For: Check for a clear indication of the parthenolide content, typically expressed as a percentage (e.g., standardized to contain 0.2% to 0.5% parthenolide). This ensures you receive a consistent and effective dose with each serving.
2. Ingredient Transparency:
   • Description: A quality supplement should fully disclose all ingredients, including any fillers, binders, or additional herbs.
   • What to Look For: A complete ingredient list that specifies not only the feverfew but also any other components, such as the capsule material and any excipients. Avoid products with vague or undisclosed ingredients.
3. Purity and Quality Certifications:
   • Description: Certifications can indicate that the product has been tested for purity, potency, and quality.
   • What to Look For: Look for third-party certifications such as USP (United States Pharmacopeia), NSF (National Sanitation Foundation), or ConsumerLab. These certifications can provide assurance that the supplement has been independently tested for quality and purity.
4. Manufacturing Standards:
   • Description: Supplements manufactured according to Good Manufacturing Practices (GMP) ensure that the product is produced with high-quality standards.
   • What to Look For: Check for a GMP certification or statement on the label, which indicates that the manufacturing processes meet rigorous quality standards.
5. Organic and Non-GMO Labels:
   • Description: Organic and non-GMO certifications ensure that the feverfew is grown without synthetic pesticides, herbicides, or genetically modified organisms.
   • What to Look For: Look for labels indicating that the product is USDA Organic or Non-GMO Project Verified. These labels help ensure that you are consuming a cleaner, more natural product.
6. Dosage Information:
   • Description: Clear dosage information helps you understand how much of the active ingredient you are consuming.
   • What to Look For: The label should specify the recommended dosage, including the amount of feverfew per serving and the number of servings per container. This information helps you manage your intake and avoid under- or over-dosing.
7. Allergen Information:
   • Description: Allergen information helps you avoid ingredients that may cause adverse reactions.
   • What to Look For: The label should indicate whether the product is free from common allergens such as gluten, dairy, soy, and nuts. This is particularly important for individuals with food sensitivities or allergies.
8. Expiration Date and Lot Number:
   • Description: These details ensure that you are consuming a fresh and traceable product.
   • What to Look For: Check for a clearly marked expiration date and lot number. This information indicates the product’s shelf life and allows for traceability in case of any quality issues.
9. Manufacturer Information:
   • Description: Knowing the manufacturer can provide additional assurance of quality.
   • What to Look For: The label should include the name and contact information of the manufacturer or distributor. Reputable companies are usually transparent about their operations and responsive to customer inquiries.

In summary, to ensure the quality of a feverfew supplement, look for standardization of active compounds, complete and transparent ingredient lists, purity and quality certifications, GMP compliance, organic and non-GMO labels, clear dosage information, allergen information, expiration dates, and manufacturer details. These factors collectively ensure that you are choosing a high-quality and effective feverfew supplement.

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:

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