Featuring 10,000 mg of bioactive bovine COLLAGEN peptides, Pro Collagen Extra Strength Powder has been clinically proven effective for joint, bone and skin health. Collagen is a factor in maintaining healthy cartilage and/or joint health, which is especially important as with age. Cartilage is the connective tissue disk that acts as a cushion and eliminates friction in your joints. Pro Collagen Extra Strength comes in a natural unflavoured mix.