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What a COA should show: For a raw GHK-Cu ingredient, a legitimate Certificate of Analysis should include HPLC purity (look for greater than 98 percent), mass spectrometry confirmation of the molecular weight (340.38 Da for the free tripeptide), copper content by ICP-MS, and heavy metal panel
However, this is uncommon and not something weve personally seen with our own supplementation or our patients use of glutathione
Discovery of ghrelin Functional differences between GHRH/Sermorelin and Ghrelin/GHRP GHS enhances GH secretion by different mechanisms and acts through different receptors from those for GHRH, somatostatin or opioid peptides
It cannot establish human safety, correct counterion, effective exposure or clinical benefit
HPLC solvents consisted of 0.1 % Formic acid in water (Buffer A) and 0.1 % Formic acid, 80% acetonitrile in water (Buffer B)
