Science-Based Nutrition™ Essential Structural Support for Hair, Skin, Nails, Tendons, Ligaments, and Bones Dietary Supplement 1,000 mg Non-GMO / Gluten Free / Soy Free BSE-Free Hydrolysed Collagen Types 1 and 3 Doctor's Best Collagen Types 1 and 3 contains hydrolysed collagen protein (BSE-Free), which contributes to the growth and maintenance of healthy tissues. Collagen is the structural protein essential for the strength of bones and flexibility of 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 and nails Helps support the strength of bones and flexibility of joints, tendons and ligaments Provides improved bioavailability due to the low molecular weight of component peptides