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A peptide is a short chain of amino acidsessentially a fragment of a protein
With B12 and folate, B6 assists in the breakdown of homocysteine, and, like iron, it helps make hemoglobin to support healthy red blood cells
The same 500mcg via nasal spray delivers roughly 200-300mcg systemically
But large-scale human trials are needed to evaluate the efficacy and safety of certain peptides for specific functions before definitive claims can be made
Loren Pickart, who isolated and characterized GHK, in the following decades conducted transcriptomic studies showing that GHK-Cu affects the expression of hundreds of genes related to tissue repair, antioxidant, anti-inflammatory and matrix remodeling (Pickart & Margolina 2018
PMID 13253565
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