Rebuild your building blocks - Collagen is a major structural protein in the human body (found in skin, joints, bones, blood vessels and connective tissues). As we age, collagen naturally breaks down and diminishes over time - leading to the early signs of aging. Youtheory Collagen Powder with added Vitamin C is designed to help replenish the body's supply of this essential protein. Our product delivers intensive nourishment to help counter the effects of the aging process and support factors important to health and beauty. , Suggested use: Mix one (1) rounded scoop with 6 to 8 ounces of water, coffee or juice.