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Pickart, The Human Tri-Peptide GHK and Tissue Remodeling, J

Sterility must be maintained at each stage

Across those trials the compound's tolerability was reported as comparable to placebo, with no statistically significant effects detected on serum IGF-1, fasting glucose, insulin, HbA1c, cortisol, or thyroid hormones at the levels studied, and no serious adverse events attributed to the compound [7]

Starting at lower doses and increasing gradually reduces the likelihood of systemic effects

more research is needed to determine safe and effective dosing protocols specifically for this purpose

GHK-Cu vs BPC-157, Semax, and Other Peptides: Where It Fits GHK-Cu is in a category of its own