*** Características *** DOCTOR’S BEST SYNERGISTIC GLUCOSAMINE/MSM FORMULA supplies several building blocks for healthy joints. Glucosamine Sulfate, MSM & Vitamin C bo formulations have also been shown to be effective at synergistically enhancing joint function in clinical studies over the years. Both Glucosamine alone and MSM alone were shown to enhance joint function. Vitamin C is essential for the production of collagen, a structural protein. SYNERGISTIC GLUCOSAMINE/MSM FORMULA contains pure, sodium-free, potassium-stabilized glucosamine sulfate, as confirmed by HPLC analysis SYNERGISTIC GLUCOSAMINE/MSM FORMULA also features OptiMSM Methylsulfonylmethane, MSM, is distilled to 99.9% purity. MSM is a naturally occurring nutrient that provides sulfur, used by the body to maintain healthy joints. GLUCOSAMINE SULFATE supports joint structure and function and supplies healthy joints with proteoglycans, which contribute to healthy joints. Both Methylsulfonylmethane (MSM, from OptiMSM) and glucosamine sulfate supply bioavailable sulfur needed for joints. *** Descripción *** Doctor's Best Synergistic Glucosamine/ MSM Formula supplies several building blocks for healthy joints. Glucosamine sulfate supports joint structure and function and supplies healthy joints with proteoglycans, which contribute to healthy joints and connective tissues. Methylsulfonylmethane (MSM, from OptiMSM) supplies bioavailable sulfur needed for joints. OptiMSM is purified via distillation for highest purity and consistency and is an excellent source of sulfur. Vitamin C is essential for the production of collagen, a structural protein.