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The timing protocol matters as much as the compound selection

One is total blood glutathione and the other is gamma glutamyl transferase (GGT), a liver enzyme which reflects glutathione activity

They are neither evidence-free like dihexa nor Cochrane-reviewed like cerebrolysin

The Instamed Glutathione sublingual strips available at TruHealth PT deliver up to 92% bioavailability through the mucosal tissue under your tongue, require no needles or clinic visits, and cost a fraction of what IV glutathione runs per session

GHK-CU is the scientific name (Glycyl-L-Histidyl-L-Lysine Copper), while Copper Tripeptide-1 is the INCI (International Nomenclature of Cosmetic Ingredients) name used on product labels

And remember, I dont know everything there is to know about this