This broader action helps explain why GHK-Cu copper peptide benefits show up in skin rejuvenation, wound healing, and even some hair and scalp protocols, while many other peptides focus on only one effect
When produced excessively, it may suppress the release of Thyroid Stimulating Hormone from the pituitary. 18 It also forces T4 to be converted to reverse T3 (rT3) which actually blocks thyroid function, even though thyroxine levels look adequate when tested. 19 Blood glucose imbalance also triggers cortisol secretion, and insulin resistance may have a direct negative effect on the thyroid, too
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This peptide is bound to a copper ion that prompts skin cells to make more proteins like collagen and elastin
Computational and Theoretical Chemistry , 1227, 114227