Science-Based Nutrition™ Dietary SupplementEssential Structural Support for Hair, Skin, Nails, Tendons Ligaments, and BonesNon-GMO / Gluten Free / Soy FreeBSE-Free Hydrolyzed Collagen Types 1 and 3Doctor's Best Collagen Types 1 and 3 contains hydrolyzed collagen protein (BSE-Free), which contributes to the growth and maintenance of healthy 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 the formula as an important nutrient required for collagen synthesis by the body.Helps support healthy hair, skin, nails.Helps support the strength and flexibility of bones, joints, tendons, and ligaments.Provides improved bioavailability due to the low molecular weight of component peptides.