Riboflavin Status Modifies the Effects of Methylenetetrahydrofolate Reductase (MTHFR) and Methionine Synthase Reductase (MTRR) Polymorphisms on Homocysteine. Genes & Nutrition, vol
GHK-Cu is a peptide the skin makes naturally that is involved in tissue repair and regeneration 3 Levels naturally decline with age, impacting skin repair, firmness, and collagen production 1 2 Replenishing GHK-Cu levels may help improve the appearance of fine lines, texture, and overall tone 1 4 May help protect from environmental exposures that drive skin aging and wrinkles 5 Supports the skins natural repair processes without irritation, redness, or peeling 1 Compounded by US-licensed pharmacies GHK-CU BENEFITS Regenerative Skin Support Supports local renewal and regeneration within the epidermis and dermis 1 Supports collagen production, hydration, regeneration, anti-inflammatory, and antioxidant effects 1 3 4 May help reinforce skin barrier integrity and improve resilience over time 6 A gentler alternative to retinoids and resurfacing treatments Apply topically 5x weekly for a simple, consistent routine that takes under a minute GHK-Cu has not been approved by the FDA for these uses
How They Work Collagen & elastin support: encourage structural protein synthesis
FDA peptide action: what changed and when April 15, 2026 the FDA announced the action (Federal Register notice April 16, 2026)
