Collagen is found in body tissue, bones, cartilage and skin. Our formula, includes marine collagen, vitamin C, iron, zinc, biotin, hyaluronic acid and grapeseed oil, which is blended to help maintain healthy skin. Available in a great value 6 month supply. What is collagen? Collagen is a protein found in the human body. It’s mainly found in our skin, bones and muscles. What is marine collagen made from? Marine collagen is made from marine and aquatic ingredients which can include the skin, bones and scales of fish. But this can differ from product to product so make sure to check the label, especially if you’re vegan as not all collagen will be suitable for you to use. Features of Nutri Within marine collagen 200mg 180 capsules 6 month\'s supply Vitamin C supports collagen formation for the normal function of blood vessels, bones, cartilage, gums, skin and teeth Biotin contributes to the maintenance of normal skin and hair Zinc contributes to maintenance of normal hair, skin and nails