THE POWER COMBO: GHK CU + BPC 157 = NEXT LEVEL RESULTS Here's where peptide therapy gets really interesting. GHK CU builds collagen. BPC 157 accelerates healing. But when you combine them? You get exponential results. The glutathione cycle shapes synaptic glutamate activity PNAS POLICIES HUMANUPGRADE Frontiers Case report: A Chinese patient with glutathione synthetase deficiency and a novel glutathione synthase mutation