The human peptide GHK-Cu was isolated in 1973 by Pickart as an activity in human albumin that caused old human liver tissue to synthesize proteins like younger tissue [1]
However, due to the large molecular size, topical glutathione may have limited skin penetration, though it can still support skin health when combined with other active ingredients like vitamin C, kojic acid, or niacinamide
Whats in the plan Built for GLP-1 Success Created specifically with GLP-1 users in mind, this plan supports critical nutrient targetsespecially protein, fiber, and hydrationwhile helping manage common medication-related challenges like appetite changes and digestive shifts
Together, these peptides work across complementary pathways involved in repair, inflammation, circulation, and skin and gut health