Supports Joint Health, Joint Mobility and Comfort. This great tasting citrus flavored liquid supplement combines Glucosamine and Chondroitin with MSM. Scientific studies have demonstrated that Glucosamine and Chondroitin can promote normal joint mobility and comfort. MSM is present as a naturally occurring sulfur compound. Manganese and Vitamin C have been included as complementary ingredients to provide optimal nutritional support for the production of healthy joint structures. Family owned since 1968. GMP Quality Assured.