Natures Aid Collagen Beauty Formula has been formulated unsing hydrolysed pure marine collagen (Type II). Colagen is a protein & forms the main component of connective tissues such as: tendons, liagments & skin. Natures Aid Collagen Beauty Formula also combines a number of carefully selected nutrients to help maintain skin health. - Vitamin C, Copper & Vitamins B2 & B3 all contribute to the maintenance of normal skin. - Zinc contributes to the maintenance of normal skin, hair & nails. - Biotin contributes to the maintenance of normal skin & hair. Quality guarantee Natures Aid Collagen Beauty Formula is made using hydrolysed collagen, the most bioavailable form of collagen & is 100% pure marine source (non-shark).