Doctor's Best's gluten-free, soy-free and GMO-free complex is a combination of glucosamine, chondroitin, MSM, potassium and sodium.

The ingredients include:

• Potassium - essential for transmitting electrical impulses from cell to cell - the action potential - and is responsible for maintaining normal electrical tension on cell membranes - the resting potential. In addition, it helps maintain muscle tone and normal blood pressure, and is involved in the synthesis of amino acids.
• Glucosamine - is mainly supplemented by athletes - especially those at risk of joint damage. This substance reduces the rate of connective tissue destruction and therefore delays the progression of osteoarthritis.
• Chondroitin - a natural building block of joint cartilage. A substance that is responsible for eliminating friction. It is often used together with glucosamine. Chondroitin is most often used by athletes, especially runners and weightlifters.
• MSM - is a natural sulphur compound - sulphur is found in the human body at 0.2 mg per kilogram of body weight. It is also found in amino acids, including methionine or cysteine.

It is recommended to take four capsules daily - can be combined with meals.