Science-Based NutritionEssential Structural Support for Hair, Skin, Nails, Tendons, Ligaments and BonesDietary SupplementNon-GMO / Gluten Free / Soy FreeBSE-Free Hydrolyzed Collagen Types 1 and 3Helps Support Healthy Hair, Skin, NailsHelps Support the Strength and Flexibility of Bones, Joints, Tendons and LigamentsProvides Improved Bioavailability Due to Low Molecular Weight of Components PeptidesDoctor's Best Collagen Types 1 and 3 contains hydrolyzed collagen protein (BSE-Free), which contributes to the growth and maintenance of health tissues. Collagen is the structural protein essential for the strength and flexibility of bones, joints, tendons, ligaments, hair, skin, nails, and other tissues throughout the body.Vitamin C is added to formula as an important nutrient required for collagen synthesis by the body.