Question 1

Is 21st Century Arthri-Flex Advantage + Vitamin D3 third-party tested?

Accepted Answer

While 21st Century Arthri-Flex Advantage + Vitamin D3 does not have specific third-party testing certifications listed, the brand 21st Century has a trust score of 6.491/10 based on their manufacturing standards and quality practices.

Question 2

Is 21st Century Arthri-Flex Advantage + Vitamin D3 good quality?

Accepted Answer

Based on SuppCo's TrustScore analysis, 21st Century Arthri-Flex Advantage + Vitamin D3 is rated 5.938/10, indicating average quality. The TrustScore evaluates manufacturing standards, third-party testing, certifications, and ingredient quality.

Question 3

What are the main ingredients in 21st Century Arthri-Flex Advantage + Vitamin D3?

Accepted Answer

The main active ingredients in 21st Century Arthri-Flex Advantage + Vitamin D3 include Grape seed extract (0 NP), Copper (0.5 mg), Potassium (195 mg), Hyaluronic Acid (80 mg), Hyaluronic Acid (0 NP). Other ingredients include Cellulose, Stearic Acid, Croscarmellose Sodium, Magnesium Silicate, Magnesium Stearate, Polyethylene Glycol, Polyplasdone, Polyvinyl Alcohol, Silicon Dioxide, Titanium Dioxide..

Question 4

How much does 21st Century Arthri-Flex Advantage + Vitamin D3 cost per serving?

Accepted Answer

21st Century Arthri-Flex Advantage + Vitamin D3 costs $0.58 per serving. A container with 30 servings costs $17.27. This is more affordable than most supplement products.

Question 5

How do I take 21st Century Arthri-Flex Advantage + Vitamin D3?

Accepted Answer

The suggested use for 21st Century Arthri-Flex Advantage + Vitamin D3 is: As a dietary supplement, adults take four (4) tablets daily, two (2) in the morning and two (2) in the afternoon, preferably with meals, or as directed by a healthcare provider. Do not exceed recommended dosage.

TrustScore®

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