Simplee Supplements Collagen is a dietary supplement that provides your body with 500mg of pure, hydrolyzed collagen per serving. Collagen is a protein that is essential for healthy skin, joints, and bones. As we age, our natural collagen production declines, which can lead to wrinkles, joint pain, and other signs of aging. Simplee Supplements Collagen can help to replenish your collagen levels and support your overall health and well-being.