For Glowing ResultsVITALITY GLOW's Marine Collagen + Biotin uses high quality, Canadian-sourced marine collagen. The addition of Vitamin C and Biotin supports collagen production and health benefits. Each dose supports skin health, joints, and connective tissues core to maintaining a youthful appearance, and good health including movement from cushioned joints. Benefits to skin are noticeable within 6 weeks and benefits to joints within 6 months.