Endeavon Flex C Joint Supplement – Vitamin, trace mineral & sulphur supplements for horses and dogs. Most horses suffer from joint and cartilage deterioration from exercise and age. Joint supplement assisting in the prevention of joint and cartilage deterioration caused by exercise, racing and age in horses. Ingredients include: Chondroitin Sulphate, Glucosamine Hydrochloride, Yucca extract Powder, Calcium Gluconate, Ascorbic Acid, Manganese Glycerophosphate If You Use this product in conjunction with Endeavon Flex O Joint (for best results) then use half the dosage of each supplement