Youtheory, Collagen Liquid Natural Berry Flavor, 12 OzProduct Description Collagen is the most abundant protein in the body and helps give structure to skin, hair and nails. As you get older, bodys natural ability to product collagen will decrease over time leading to visible signs of aging. Collagen liquid supplies of hydrolyzed collagen (per single serving) to help combat age related collagen loss.* Product Benefits Replenishes Beauty Proteins*. Revitalizes Skin, Hair & Nails*. Reduces Fine Lines And