BioTechUSA Collagen practically provides hyaluronic acid and collagen at the same time. It contains additional vitamin C that contributes to the body's collagen production, which ultimately helps preserve the health of the skin, blood vessels, bones, cartilage, teeth, and gums. The vitamin E content of the product plays an important role in protecting cells against oxidative stress. How to use: Mix 1 portion (15 gr = ½ measuring spoon = 2 heaping tablespoons) of powder with 200 ml of water in a shaker. Take 1 serving a day. Do not exceed the recommended daily amount.