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GHK-Cu is a naturally occurring tripeptide

That said, most users cycle it simply because fat loss goals are achieved within 3-4 months, or they want to assess baseline after treatment

The gap between GHK-Cu's broad gene expression effects and its limited human clinical evidence is the central unanswered question in the field

Ultimately, there is a pressing need to understand whether the beneficial indirect effects of GLP-1RA medications on pancreatic diseases, including PDAC (e.g., weight loss), are negated by direct effects on the pancreas

Moreover, other studies have reported lactate as a possible dietary supplement acting via the GPR81 receptor