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Best-Flex HA®

Probably the world’s best horse joint supplement - read the reviews!

1975 reviews. 4.9 / 5
  • Reviews
  • Technical
  • Feeding Guide
Guest - 28/04/2025 22:16
Very happy with the product quality. Have been using for over a year now and I am very loyal to the product.
Donna - 27/04/2025 23:34
Took slightly longer to arrive than usual and only been on it for 1 week but a positive for me so far is that my mate will actually eat it as she’s so fussy.
I’ve been feeding separate supplements but this seems to have everything my elderly mare needs so keeping my fingers crossed that it will ease her symptoms.
Guest - 25/04/2025 22:25
My horse doing well on it no side of stiffness
Sally - 25/04/2025 20:14
I started Tilly on Best Flex HA as a preventative treatment as she was 14. I wasn’t expecting to see a difference, but she has been much freer in her movement since starting on it. She must have had some discomfort. Very pleased with the outcome.
Guest - 25/04/2025 19:35
The Best-Flex HA arrived promptly, is. Wry palatable and I have two sound and happy  horses.
Sarah - 25/04/2025 19:23
Best Flex HA is the best joint supplement on the market. Great value for money with great results . I recommend it to all my clients.
Carly - 25/04/2025 19:06
Very palatable,  horse likes it,  only just started it but seems to really good.
Jenny - 25/04/2025 18:00
Very quick and reasonable
Sarah - 25/04/2025 09:12
Best Flex seems to keep my aging horse supple and flexible and lets him continue to compete and enjoy life to the full
Guest - 25/04/2025 08:43
Changed back to Bestflex from Activet as have changed her food. She has not been on it long enough for me to see whether it has made a difference. She is uncomfortable in her front feet at the moment but will persevere with Bestflex and see how she goes. She is 27 yrs old and has arthritis so bound to be stiff, but when she was on Bestflex a couple of years ago it did seem to keep her comfortable.

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Nutrition Information

Maintaining joint health is essential for all horses, particularly those in regular work, older horses, or those competing at high levels. Exercise and the natural aging process can put strain on the joints, making high-quality joint nutraceuticals a valuable addition to support your horse's mobility, flexibility, and overall comfort. 

Repetitive concussive forces on the joints are a leading cause of joint wear, contributing to cartilage degradation and synovial membrane irritation. This can trigger an inflammatory response, which, if excessive, may overwhelm the body’s natural repair mechanisms, potentially leading to long-term joint issues.

Best-Flex HA is a scientifically formulated equine joint supplement designed to provide comprehensive joint support. It contains high levels of Glucosamine HCl, Chondroitin Sulphate, and Hyaluronic Acid (HA) - key nutrients that help maintain cartilage integrity and support synovial fluid. MSM is included for its role in supporting tissue elasticity and overall joint function. Additionally, Boswellia offers natural soothing properties, while Omega-3 polyunsaturated fatty acids support a normal inflammatory response. Vitamin C contributes antioxidant benefits, helping to maintain the neutralisation of free radicals and support joint tissues.

By delivering these essential nutrients in an optimal balance, Best-Flex HA® helps maintain joint structure, flexibility, and long-term mobility. Continued daily use throughout your horse’s active career ensures a steady supply of fundamental joint nutrients to support flexibility and performance. For veteran or retired horses, Best-Flex HA® helps soothe the joints and supports ease of movement. It is also safe to feed at increased levels and over extended periods of time for horses that may require additional support.

 

Micronutrient Analysis

Active Ingredients Per 3 scoops:
Glucosamine HCl 18000 mg
Chondroitin sulphate 6500 mg
MSM (Methyl sulphonyl methane) 18000 mg
Hyaluronic acid (Sodium hyaluronate) 1100 mg
Vitamin C 11000 mg
Omega-3 fatty acids 11000 mg
Boswellia  12000 mg

Composition

Micronised linseed, Glucosamine HCl (vegetarian), Methyl sulphonyl methane (MSM), Boswellia, Linseed oil, Chondroitin sulphate (90%, low molecular weight), Sodium hyaluronate (HA).

Additives

Vitamins Additive number  per kg
Ascorbic acid 3a300 122g

Analytical

Moisture 21.5%
Crude protein 14.0%
Crude oils & fats 14.8%
Crude fibre 5.6%
Crude ash 2.2%
Sodium  0.5%

*Based on publicised maintenance rates for active ingredients for a 500kg horse. Correct at time of release. 

Feeding Guide

 

Body weight  Amount per day
Up to 250kg 1 Scoops
250kg - 400kg 2 Scoops
400kg - 600kg 3 Scoops
Over 600kg 4 Scoops

1 scoop (50ml) of Best-Flex HA® weighs approximately 35g.
 

Feed the recommended level, or as recommended by your veterinary surgeon.


The daily feeding rate can be adjusted based on your horse’s work load, age and mobility, to suit their long term daily requirements. Before and during a period of hard exercise, the daily levels can be increased to the next scoop level to provide extra joint support and may be continued on a long term basis for superior joint health support.

 

Best-Flex HA® is a complementary feeding stuff for equine animals. Feedmark uses nothing in the formulation of this product that contravenes FEI competition rules.

Learn more about competing within the rules by clicking here