Hydrolyzed Collagen contains Type I and Type III Collagen in each serving.Hydrolyzed protein (collagen) promotes utilization by the body.** These Hydrolyzed Collagen caplets also contain the important nutrients Vitamin C and Biotin.Vitamin C plays an important role in the formation of collagen found within connective tissues.** Biotin helps to support healthy hair, skin and nails.**Contains 180 caplets.