Doctor’s Best Glucosamine Sulfate supports joint structure and function and supplies healthy joints with proteoglycans, which contribute to healthy joints. Doctor’s Best Glucosamine Sulfate contains pure, sodium-free, potassium stabilized glucosamine sulfate as confirmed by HPLC testing. The purified glucosamine sulfate is stabilized with potassium chloride.

Doctor’s Best Glucosamine Sulfate plays an important role in manufacturing proteoglycans in healthy joints. Proteoglycans contribute to the maintenance of sound joint structure, ultimately enhancing healthy joint function. Glucosamine is a key component of keratin sulfate and hyaluronic acid. Galactosamine is a key amino sugar in chondroitin sulfate. Glucosamine sulfate provides sulfur in the form of sulfate, a key component of both chondroitin sulfate and keratin sulfate found in bone and the cornea.