A Lean Life is a reader-supported site. Any purchases made through links might earn a commission at no cost to you.

FlexAgain Review [Updated 2024]


Supplement Reviewed


Hours of Research


Reviews Examined


Experts Interviewed

David | A Lean Life

Published by David Williams

As an engineer, David loves technical product comparison and analyzing the data to assess top products.

Table of Contents

FlexAgain is a great product which is comfortably among the very best joint supplements that are currently on the market. It consists of only optimal doses of proven, high quality, ingredients from a variety of sources, which offer a great range of joint health benefits, without causing any side effects.

The FlexAgain formula consists of omega 3 fatty acids, vitamin d, vitamin k, ginger and blue galangal extracts, bromelain, curcumin extract, resveratrol, glucosamine, chondroitin, MSM, and boswellic acid. This very varied selection of ingredients allows FlexAgain to support the joint in a wide variety of ways.

Omega 3 fatty acids protect cartilage, stimulate its growth, lubricate the joints, and ease arthritis pain. Ginger extract and blue galangal extract both ease joint pain and are particularly effective when used together.

Taking vitamin d won’t directly improve the joint or ease pain but it does stop you from becoming vitamin d deficient, which can cause joint damage. Vitamin k has then been shown to be particularly useful for treating osteoarthritis.

Turmeric, resveratrol, and boswellic acid are all potent antioxidants and anti-inflammatories that can reduce joint pain and swelling, prevent the joints from getting damaged, or repair any damage that has already been caused.

Chondroitin, glucosamine, and MSM is another extremely popular combination used to relieve pain in the joints, and it is especially beneficial for those trying to combat the symptoms of arthritis. The bromelain then boosts the effects of all of the other ingredients, while enhancing joint function itself.

This wide range of ingredients and benefits makes FlexAgain a perfect joint supplement to ease joint pain and give maximum support to the bones, joints, muscles, and connective tissues to keep them healthy, while also being capable of combatting all types of arthritis and the symptoms that it causes.

It also contains no fish oil, which is an ingredient that can be off-putting for some people, while being made in FDA registered and cGMP certified facilities and offering a full 90 day money back guarantee should give buyers complete confidence in both the quality and efficacy of the product they will get.

FlexAgain Ingredients

Omega 3 Fatty Acids – 1,100 MG

Omega 3 fatty acids are a type of healthy fat that is commonly found in fish, as well as certain seeds, nuts, beans, pulses, and even plants like seaweed. It is widely added to the best joint supplements, like FlexAgain, and used for its ability to improve heart health and brain, muscle, and nerve functions.

It can also offer a wide range of benefits for the joints too, such as reducing inflammation, protecting them from damage, helping to keep them lubricated, mobile, and flexible, and even promoting the effective repair and stimulating the growth of new muscle and connective tissues.

Vitamin D – 15 MCG

Vitamin d is a fat soluble vitamin that serves countless functions in the human body.

It helps the digestive system break down and absorb micronutrients, limits fat storage, boosts energy levels and protein synthesis, keeps the bones, muscles, skin, teeth, and immune system healthy and functioning, and encourages cell division and normal blood calcium levels, to keep your body healthy.

However, it is put in joint supplements like FlexAgain not for the beneficial effects it can produce, but to prevent the negative effects that occur if you develop a vitamin d deficiency. Most notably, vitamin d deficient people will often easily damage their joints and develop very low testosterone levels.

Vitamin K2 – 70 MCG

Vitamin K is found in dairy, eggs, fish, meats, and fermented foods, and is vital for protecting the blood vessels, bones, and cartilage.

It is included in top joint supplements like FlexAgain as vitamin k2 supplementation has been proven to reduce the risk of osteoporosis, treat the symptoms in people who are already suffering from it, and even prevent the sort of hip and spinal problems that people often develop in later life.

Ginger And Blue Galangal Extract – 250 MG

Ginger extract is a potent antioxidant and anti-inflammatory that can help prevent oxidative damage to the joints. It also offers other benefits too, like lowering cholesterol levels, enhancing the digestive and immune systems, and boosting the absorption of all of the other ingredients in a supplement.

Blue galangal extract comes from a root plant very similar to ginger that is native to south Asia. It is also rich in antioxidants that allow it to reduce inflammation and pain in the joints, and it can also prevent infections and certain diseases, and even enhance fertility and sexual functions in men.

While ginger and blue galangal extract are both very beneficial on their own, they will also be even more effective here, as studies have shown they are at their most potent when they used together. (1)

Bromelain – 100 MG

Bromelain is an enzyme most commonly found in pineapples that is becoming a popular ingredient in best joint supplements like FlexAgain as it can help to reduce inflammation and relieve the pain that it causes.

Beyond this, it can also offer additional health benefits, such as improving digestion and protein metabolism in the stomach, easing heartburn and boosting heart health, providing nasal decongestion, and boosting the overall functions of the immune system.

Curcumin Extract – 500 MG

Curcumin extract is a chemical found in turmeric, which is itself an extract from the roots of the curcuma longa plant. It has been used for decades in traditional medicines around the world and it is very popular in joint supplements like FlexAgain as it is a proven anti-inflammatory and antioxidant.

As a result, curcumin extract is able to neutralise free radicals and prevent them from causing any oxidative damage to our bones, cartilage, and organs, while helping us to reduce any inflammation that has already occurred, repair any damage, and maintain healthy joints.

Resveratrol – 100 MG

Resveratrol is a substance found in grapevines, almonds, and certain berries which has been used in east Asian traditional medicines for centuries. It is included in some of the best joint supplements, such as FlexAgain, for its potent antioxidant and anti-inflammatory properties.

These allow it to reduce inflammation, prevent oxidative damage from being done to the cells and tissues throughout the human body, and treat the symptoms caused by arthritis. It is also capable of producing a number of health benefits beyond this too.

This includes protecting the gut, heart, and parasympathetic nervous system and keeping them healthy, improving blood pressure and cholesterol levels, aiding fat loss, altering insulin and glucose sensitivity to help with diabetes, and treating Alzheimer’s disease and some chronic illnesses.

MSM (Methylsulfonylmethane) – 50 MG

MSM (methylsulfonylmethane) is a chemical found in many green vegetables, fruits, and plants which has an extremely high sulphur content. (2)

It is an extremely popular ingredient in the best joint supplements, like FlexAgain, as it’s been shown to have potent anti-inflammatory and antioxidant properties. This enables it to aid joint health and the symptoms of osteoarthritis and prevent inflammation and damage to the rest of the body.

Glucosamine Sulfate – 400 MG

Glucosamine is a natural compound found in cartilage that is extracted from shellfish or made in labs to be used in top joint supplements like FlexAgain as studies show that it can help to ease joint pain. (3)

Its beneficial effects occur as it is able to prevent or slow the degradation of collagen, the primary substance that cartilage is made of. This not only allows it to alleviate pain, but also enables it to help restore joint functions, boost joint health, and treat osteoarthritis and stop it from progressing.

Chondroitin Sulfate – 250 MG

Chondroitin sulfate is a substance that is produced naturally by the human body, as well as by the bodies of most mammals, and it is one of the main components of cartilage, the connective tissues that hold your joints together and stop the bones from rubbing against each other.

Taking chondroitin in supplement form can ease joint pain and stiffness, relieve the symptoms of osteoarthritis, and boost the production of collagen, to help repair any damaged joints. This is why it is commonly found in the very best joint supplements, such as FlexAgain.

Boswellic Acid – 100 MG

Boswellic acid is a compound found in boswellia serrata extract, a type of gum or resin that is obtained from frankincense trees in India and the Punjab region of Pakistan. It has been widely used for centuries in ayurvedic and other types of traditional medicines. (4)

It is included in the best joint supplements like FlexAgain primarily due to its ability to help reduce pain and inflammation in the joints, treat the symptoms experienced by osteoarthritis patients, and even ease the swelling in other parts of the body, such as the brain.

Improve Joint Health

FlexAgain | Complete Joint Support

  • Proven ingredients to support joint health
  • Relieves joint pain
  • Protects and repairs cartilage
  • Improves overall joint function
  • Eliminates Vitamin D deficiency
  • Treats both forms of arthritis (osteoarthritis and rheumatoid)
  • Also improves heart health and immune health

FlexAgain Customer Reviews

FlexAgain is a relatively new joint supplement and, as such, reviews from past customers are still a little limited. However, those that we did manage to find were all glowing in nature.

Some of the highlights of the supplement included people mentioning that combining the use of FlexAgain with physical therapy allowed them to regain full mobility and function in their joints after a severe accident that had doctors claiming they would require surgery.

Another FlexAgain user who suffers from severe arthritis said that they went from struggling with day to day tasks and having to plan their activities around their current pain level and how the weather would affect it to being relatively pain free and feeling 10 years younger.

There was even one review from a customer who suffered from a rare genetic condition called EDS (Ehlers-Danlos syndrome), which causes the connective tissues in the tendons and ligaments to degrade, and the joints to sporadically come apart, leading to severe pain and a lack of mobility. (5)

While they didn’t say FlexAgain completely removed their symptoms, which would be virtually impossible, they did say it helped them massively and allowed them to start taking part in activities again that they had been unable to enjoy for a number of years.

Again, with only a small number of customer reviews available, it is impossible to rely on those that we have too much. However, when they are all this positive, it is very hard to see them as anything but a shining advertisement for a joint supplement that we already felt was extremely effective.



FlexAgain Review Conclusion

Joint supplements are a great way to keep your joints healthy, ease any pains you may feel in them, repair any damage, and even treat the symptoms and prevent the progression of arthritis. Using a good joint supplement can even be the difference between living in pain or needing surgery and not.

While there are a few good joint supplements on the market, none of them come close to FlexAgain. Packed with optimal doses of proven ingredients, FlexAgain can ease pains, treat arthritis, and boost joint function, mobility, and lubrication, to totally support the health of your joints from all angles.

So, if you are suffering with joint pain or even if you just want to get a jump start on your joint health and prevent any problems from developing further on down the line, we highly recommend that you give FlexAgain a try and see all of the incredible ways that it can benefit the joints for yourself.

Click to see the editor’s choice for best joint supplements in 2024.

Improve Joint Health

FlexAgain | Complete Joint Support

  • Proven ingredients to support joint health
  • Relieves joint pain
  • Protects and repairs cartilage
  • Improves overall joint function
  • Eliminates Vitamin D deficiency
  • Treats both forms of arthritis (osteoarthritis and rheumatoid)
  • Also improves heart health and immune health
Picture of David Williams

David Williams

A diet and fitness enthusiast, David is an ex-Army Airborne Ranger and Infantry soldier with decades of fitness and wellness experience. A West Point graduate with a degree in engineering, he focuses on technical research related to fitness, nutrition, and wellness. He loves the beach, and spending time with his wife and daughters.


  1. Rahmani, A. H., Shabrmi, F. M. A., & Aly, S. M. (2014, July 12). Active ingredients of ginger as potential candidates in the prevention and treatment of diseases via modulation of Biological Activities. International journal of physiology, pathophysiology and pharmacology. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4106649/
  2. WebMD. (n.d.). Methylsulfonylmethane (MSM): Overview, uses, side effects, precautions, interactions, dosing and reviews. WebMD. https://www.webmd.com/vitamins/ai/ingredientmono-522/methylsulfonylmethane-msm
  3. Mayo Foundation for Medical Education and Research. (2020, November 12). Glucosamine. Mayo Clinic. https://www.mayoclinic.org/drugs-supplements-glucosamine/art-20362874#:~:text=Generally%20safe-,Glucosamine%20sulfate%20might%20provide%20some%20pain%20relief%20for%20people%20with,might%20be%20worth%20a%20try.
  4. Boswellic acid. Boswellic Acid – an overview | ScienceDirect Topics. (n.d.).
  5. U.S. National Library of Medicine. (n.d.). Ehlers-Danlos Syndrome: Medlineplus genetics. MedlinePlus. https://medlineplus.gov/genetics/condition/ehlers-danlos-syndrome/#:~:text=Ehlers%2DDanlos%20syndrome%20is%20a,joints%20to%20life%2Dthreatening%20complications.