Collagen is a protein and the literal “glue” that holds your body together. But as you age your body produces less of it each year. Research shows supplementing with collagen can help smooth wrinkles… keep skin taut and plump… strengthen nails… and promote full, healthy hair growth. But most collagen brands only provide one or two of the 5 major types of collagen and none of the nutrients your body needs to synthesize (build & use) collagen. That’s why we include 5 collagen types from 4 ultra-clean sources plus the essential collagen “building blocks” your body needs.