Flexagen Review: How Safe and Effective Is This Tablet?

Flexagen is a dietary supplement used to treat joint pain. Glucosamine and Chondroitin are two of the most active ingredients in joint care found in Flexagen.

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In This Review

What is Flexagen?

Flexagen is a dietary supplement used in joint health care. Flexagen contains two of the most active ingredients in joint care; Glucosamine and Chondroitin. Flexagen is intended to be used by people who experience joint pains and who suffer from weak joints. Flexagen promises to promote and maintain joint flexibility and mobility of joints facilitating comfortable movement of joints. On top of that, Flexagen also promises to support healthy cartilage growth and this can be attributed to the presence of Vitamin C in the dietary supplement.

How Does It Rate?

Overall Rating: 3.8

Value for Cost

3.8/5Value for Cost

3.7/5Return policy


Brand Highlights

  • Flexagen is a trademark product of NAC Vitamin Company, Inc., Hicksville since April 2006 when the United States federal trademark was filed.



*All individuals are unique. Your results can and will vary.

Key Ingredients

  • Glucosamine
  • Chondroitin
  • Vitamin C
  • Hyaluronic
  • White Willow Extract
  • Turmeric


  • Flexagen contains two of the most active ingredients in joint healthcare
  • You don’t need a prescription to take/buy Flexagen
  • It is an all-natural joint care product


  • The official website is non-informative and prone to spamming
  • Comes in tablet form that is not quickly absorbed in your body and might cause stomach upsets

What Is Flexagen and How Does It Work?

Flexagen is a dietary supplement that promotes healthy joints. It is made from the two popular ingredients in the treatment of joint related ailments; Glucosamine and Chondroitin. Glucosamine and Chondroitin are naturally produced and form critical building blocks of healthy joints. When consumed daily, research indicates that these ingredients help in promoting healthy joints in a safe and naturally way.

Flexagen is a long-term care product. It works by reversing the harmful changes made by inflammation, anti-oxidants, friction and wear and tear around the joints. Wear and tear plus friction causes the joints to be vulnerable and increases the friction between the joints. This friction causes a cracking sound around the joints and makes them painful. By repairing the worn out joint tissue and lubricating the joints, Flexagen gets over this common joint complication.

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Flexagen Ingredients – Are they Safe & Effective?

Flexagen doesn’t come short of ingredients. It contains two of the most popular joint care ingredients in modern science; Glucosamine and Chondroitin.


    – Builds and maintains healthy joints and cartilage


    – Ensures joint flexibility, comfort and joint lubrication

Other ingredients in Flexagen include;

    Vitamin C

    – This is an essential vitamin that is necessary for the formation of Collagen. Besides that, it is an important antioxidant that supports your overall health


    – Hyaluronic acid (HA) is high-molecular weight formula of HA helps in reducing the friction and inflammation that lead to painful arthritic conditions and other joint complications. This ingredient is also found in Synthovial Seven joint pain product that promises to help preserve healthy joints and normal mobility.

    White Willow Extract

    – White willow acts as an anti-inflammatory, antioxidant, and an immune boosting agent


    – Turmeric reduces inflammation of the soft tissues around our joints

How to Use Flexagen?

Flexagen is an everyday joint care product. It should be taken daily for a period of four weeks or longer. Flexagen is orally taken 2-3 times a day by adults or depending on the prescription given to you by your doctor. However, you don’t need a prescription to use Flexagen but it is higly recommended that you consult your doctor first.

Alternatives to Flexagen



*All individuals are unique. Your results can and will vary.


Q: Who Should Not Take Flexagen?


  • People suffering with liver, kidney or heart diseases
  • Pregnant and breastfeeding women unless with consultation from a doctor
  • People who are allergic to any of the ingredients mentioned
  • Rectal patients

Q: What Conditions Does Flexagen Treat?

A: Flexagen doesn’t treat any condition but restores health to patients suffering from; rheumatoid arthritis, osteoarthritis, ankylosing spondylitis, and gout.
Does Flexagen interact with other medications?

Simultaneous use of Flexagen with Diclofenac antihypertensive drugs weakens their action. Other interactions include;

  • Use with GCS increases the risk of side effects affecting the digestive system
  • Simultaneous application with NSAIDs increases the risk of side effects
  • Patients taking diabetes medicine reported hypoglycemia or hyperglycemia
  • Several conditions have been reported with simultaneous use with diclofenac

Q: What Kind of Reviews are Out there for Flexagen?

A:There are mixed feelings about Flexagen but to have them in summary; Flexagen is not fast acting. You need to be patient and use it regularly over a period of time 4 weeks – 4 months to realize the benefits. It also causes some side effects in the majority of the consumers. Two out of five people who have used it would not recommend it to friends.

Read NextArthocin


Pro Joint Plus

*All individuals are unique. Your results can and will vary.

Flexagen Review – Final Verdict

The product looks good as far as the ingredients are concerned. But when it comes to marketing and consumer awareness, the product performs very poorly. Lack of an informative website and dedicated customer care line is a huge drawback. Consumers are not pleased with this product and most of them insist it is just a form of false advertising. Putting one and two together, this product is not worth buying since we have better products in the market.

Healthy joints allow us to move with ease. Joint damage can cause pain preventing you from doing the things you once loved. From aging to untreated sports injuries – many conditions lead to joint pain. A quality joint product may help reduce inflammation, repair existing tissue damage, and promote stronger joints, lessening susceptibility to future degeneration.

Below you'll find some of the most effective joint pain supplements on the market today, in our opinion.

Our Top Joint Pain Relief Choices

Verdict on Claimed Benefits: Below is our summary of the available evidence for the claimed benefits of below mentioned joint pain supplements based on the available research:

BioDynamix Joint Genesis | Doctor Formulated
Reduces Pain and Stiffness*Gold Star Evidence
Improves Joint Lubrication*Gold Star Evidence
Supports Joint Function*Gold Star Evidence
Relieves Inflammation & Discomfort*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.9
ProJoint Plus - VitaPost | Premium Joint Support
Supports Cartilage Health*Gold Star Evidence
Supports Joint Health*Gold Star Evidence
Lubricates Stiff Joints*Strong Evidence
Supports Joint Mobility*Gold Star Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.9
Relief Factor | Best Pain Relief Supplement
Relief Aches and Pains*Gold Star Evidence
Reduces Inflammation*Strong Evidence
Protect Joints Damage*Strong Evidence
Support Immune System*Gold Star Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.8
Heal-n-Soothe | Best Joint Pain Formula
Supports Healhty Joints*Gold Star Evidence
Promotes Joint Mobility*Gold Star Evidence
Help in Relieving Joint Pain*Strong Evidence
Supporting Reduction in Joint Pain*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.8
Turmeric Curcumin Plus | High Quality Joint & Muscle Health Formula
Supports Joint Health*Gold Star Evidence
Supports Immune System*Strong Evidence
Antioxidant Support*Strong Evidence
Supports Cognitive Function*Strong Evidence
Rating Breakdown
Support for Claims:
Ingredient Safety:
Value for the Price:
Brand Transparency:
Overall Rating: 4.8

Product reviews are provided for informational purposes only and reflect solely the views and opinions expressed by the contributors and not those of Consumer Health Digest. We do not verify or endorse any claims made in these reviews. Please read the full product reviews disclaimer. *All individuals are unique. Your results can and will vary.

Customer Reviews for Flexagen

Flexagen Review: How Safe and Effective Is This Tablet?

Customer Reviews & Ratings

2.0 out of 5

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  1. Cora

    I do not recommend it.
    Unfortunately, this product did not agree with me at all. Two times I tried to use it, both times I experienced severe GI upset, nausea, vomiting, and diarrhea. I do not recommend it.

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NAC Vitamin Company, Inc.
60 capsules
Glucosamine, Chondroitin, Vitamin C, Hyaluronic, White Willow Extract and Turmeric.

4 Sources

We review published medical research in respected scientific journals to arrive at our conclusions about a product or health topic. This ensures the highest standard of scientific accuracy.

[1] Glucosamine - https://www.nccih.nih.gov/health/glucosamine-and-chondroitin-for-osteoarthritis
[2] Chondroitin - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6035477/
[3] Vitamin C - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6643354/
[4] Hyaluronic - https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4469223/

**This is a subjective assessment based on the strength of the available informations and our estimation of efficacy.

*Result may vary. If you are pregnant, nursing, have a serious medical condition, or have a history of heart conditions we suggest consulting with a physician before using any supplement. The information contained in this website is provided for general informational purposes only. It is not intended to diagnose, treat, cure, or prevent any disease and should not be relied upon as a medical advice. Always consult your doctor before using any supplements.

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