ghk cu tripeptide 89030-95-5 GHK-Cu Gly-His-Lys-Cu Copper Tripeptide-1; Prezatide copper and the results were really impressive GHK-CU Copper Tripeptide-1 - GHKCUCTP1-001

The peptide normalized enzyme markers of muscle damage including creatine kinase, lactate dehydrogenase, aspartate aminotransferase, and alanine aminotransferase, indicating restoration of muscle cell membrane integrity and metabolic function

PubMed Central, Vincenti, Alessandra, et al

Increased Metabolic Rate: Aids in optimizing metabolism, which can lead to improved energy levels and fat loss

And yes, you're right about the B12 levels fluctuating....depends on where you are in the injection cycle, how much exercise / activity you have been doing, infection, medication, stress....and a whole host of other things

Primary effectiveness outcome was 3-month ischemic stroke recurrence

FDA reviewers have proposed that BPC-157 free base and acetate should not be included on the US 503A Bulks List