Support beauty from within with Nature Made Collagen Gummies. These tangy lemon flavored gummies deliver 100 mg of hydrolyzed collagen, 25 mg vitamin C and a potent 1,250 mcg of biotin. Collagen is a type of protein that is an essential building block of bones, skin, muscles, tendons and ligaments. Your body uses vitamin C to promote collagen production. Biotin is a member of the B-vitamin family and is known as the "beauty nutrient" for its support of healthy hair, skin and nails.