Hair, skin & nail support. Eat like your life depends on it. I created Primal Kitchen because I believe flavorful food uplifts and empowers us. Made from real ingredients without compromise, our products add variety and flavor so every single bite is delicious. Never Settle: Make every meal exciting. Mark Sisson - founder. Supports Healthy Hair, Skin, and Nails: Collagen is one of the most abundant proteins in the human body. Natural collagen production declines with age.