Animal Flex Review – Does This Joint Supplement Work?

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By Leslie Waterson

Reviewed by Juliana Tamayo, MS, RDN - Last Updated


Joint pain is a huge problem in the US. According to the CDC, nearly 15 million Americans suffer from arthritic joint pain, with 1 out of 4 of those individuals describing their joint pain as severe and debilitating. Most cases of arthritic joint pain are due to the mechanical wear of the cartilage and connective tissue in joints.

Given the prevalence of joint pain, a lot of companies have come out with products claiming to reduce and prevent joint pain due to arthritis. Pain is a tricky thing to pinpoint and a lot of products that claim to help with pain are nothing more than a placebo. Unfortunately, scientists really don’t understand much about how pain conducts in the body or how the brain processes pain and less about how to treat pain. Most pain treatments involve administering anti-inflammatories or drugs that block pain signals in the nervous system. 

Animal Flex joint powder is a turmeric-based supplement meant to reduce joint pain. The turmeric acts as an anti inflammatory and other chemicals like chondroitin have a similar effect. Today we are going to talk all about Animal Flex, including its pros, cons, where to buy, ingredients, and whether or not you should give it a try. 

Animal Flex Complete Joint Support

Overview: Animal Flex Joint Powder

Animal Flex Complete Joint Support Powder

Animal Flex joint powder is a pain supplement in pill form made by nutritional supplement company Animal. The main mechanism of action for Animal Flex is the turmeric. Turmeric has a lot of proven benefits and it is a popular supplement for managing pain due to its verified anti-inflammatory properties.  All you have to do is take one pack daily in the morning with breakfast and you should feel pain relief the whole day. No messy powders or liquids to deal with. 

Animal Flex has won several prestigious awards from bodybuilding organization and many professional lifters and bodybuilders advocate for its efficacy. Animal Flex is designed to protect your connective tissue and stimulate the production of cartilage to repair damaged joints. Each packet contains three primary complexes that repair connective tissue, lubricate and cushion joints, and support rehabilitation and reduce soreness and inflammation.

Animal flex is not just a pain reliever but actively works to prevent future pain.  It also gives you your full daily value of vitamin C, E, zinc, selenium, and manganese. 


  • Convenient packet form
  • Very affordable
  • Good ingredients
  • Established brand
  • Very positive customer reviews


  • Does not taste very good
  • Turmeric can cause upset stomach
  • Contains seafood products (chondroitin)

Who Makes Animal Flex?


Animal Flex is made by AnimalPak, a well-known manufacturer of fitness supplements. Animal Flex prizes itself on its high-octane products designed for bodybuilders and professional athletes. Animal Pak was founded in 1983 and over the past 3 decades has become one of the most well-known fitness supplements companies in the US. And boy do they market hard the bodybuilding aspect. The entire website is filled with pictures of super-buff men lifting weights in a grayscale tone to emphasize their serious nature. 

Along with their workout joint powders, Animal Pak offers tons of supplements from protein powders, snack bars, recovery mixtures, and amino acid supplements. Animal Pak also offers gear like t-shirts, hats, gym bags, and sweatshirts. They also offer special discounts for active service members and frequently tour US military bases showcasing their products. Lastly, their website has a huge blog with tons of workout and exercise tips form self-described gym rats who have a wealth of experience and knowledge. 

Ingredients in Animal Flex


The main ingredients in Animal Flex are:

  • Turmeric root
  • Glucosamine
  • MSM
  • Chondroitin

We have covered turmeric before on this site with good remarks. Turmeric is one of the few common workout supplement ingredients that is definitely proven to have certain health benefits. Turmeric is a known anti-inflammatory so it can reduce the swelling of joint pain. The curcumin in turmeric is believed to interact with cells that produce lymphocytes that cause swelling. 

Glucosamine and MSM are two compounds that are believed to increase the production of cartilage. Most glucosamine is harvested from the shells of shellfish while MSM is usually produced synthetically in a lab. Chondroitin is a substance similar to glucosamine and is believed to have similar cartilage regenerating properties.

Out of all the ingredients in Animal Flex, glucosamine has the most clinical evidence backing its efficacy. While many people claim turmeric can help with all kinds of problems the clinical evidence supporting that position is relatively thin. The only problem is that, since glucosamine in supplements is usually made from shellfish, people with allergies or vegans can’t eat it. 

How Does Animal Flex Work?


Animal Flex is supposed to do two main things; reduce inflammation in the joints and stimulate the production and maintenance of cartilage. Inflammation and lack of cartilage are the two major causes of joint pain post-workout. 

We should specify that Animal Flex is only meant to manage pain arising from strictly mechanical wear on the joints. Joint pain can be caused by a variety of other underlying conditions such as autoimmune conditions. Animal Flex is not meant to function as a treatment or cure for joint pain; just a way to manage symptoms. 

Safety and Side Effects


The ingredients in Animal Flex have all been tested as having a very low toxicity level. The only ingredient that might cause you some problems is turmeric, which can cause nausea, diarrhea, and upset stomach if you are not used to it. These symptoms should go away after a few days.

Where to Buy and Cost 


You can currently buy Animal Flex directly on the company’s website or from third-party retailers such as Amazon, GNC, and A Supplements (full list of retailers available here). A single 44-serving canister of Animal Flex costs just $19; a very good deal. 

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Animal Flex: Worth It or Not?

We would say yes, if you need a high-intensity workout supplement, then Animal Flex is a great choice. It uses quality ingredients, has many positive user reviews, and is made by a company with a long and impressive history of making workout supplements. 

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