Vital Proteins Collagen Peptides 101: Original Collagen Peptides with Hyaluronic Acid + Vitamin C For the die-hard Collagen Peptides fan who’s looking for a little something extra in their routine, this option puts a "boost" in their scoop. Get all of these benefits in a formula that’s now thrice as nice thanks to the addition of hyaluronic acid and vitamin C. In addition to grass-fed collagen, which supports healthy hair, nails, skin and joints, comes skin-loving hyaluronic acid plus vitamin C, which helps promote the body’s natural collagen production and promotes a more youthful appearance.** Collagen is found in all of our connective tissues, tendons, ligaments and bones with its purpose being to provide these body parts with their strength, structure and elasticity.