Doan flower extract, grapefruit extract contained in Collagen C helps to inhibit the enzyme that destroys collagen and the enzyme that destroys Hyaluronic Acid, thereby protecting collagen and Hyaluronic Acid in both skin and joints.
The new generation of Collagen C also adds active Glucosamine, an ingredient that boosts the production of Hyaluronic Acid, to maintain skin moisture and lubricate joints.