Longevity: Functional Medicine for Optimal Health and Wellness GHK Cu Peptide The benefits, side effects, and more [2026] GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms Peptide Therapy for Aesthetics The Villages Infinity Medical Institute