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The arginate modification is intended to improve the peptides stability and bioavailability, which may allow for more consistent delivery in the context of a wellness routine
A three-year randomized, double-blind, placebo-controlled trial in 818 older adults (aged 50-70 years) with elevated homocysteine levels but normal serum vitamin B 12 levels found that folic acid supplementation (800 g/day) lowered homocysteine levels and improved measures of memory performance (115)
Acta Neurol Scand
When GHK-Cu is injected, free copper can temporarily separate from the peptide backbone before rebinding in tissues
So the 100mg format makes sense when your usage rate matches the larger quantity
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