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If you feel fine during and immediately after exercise, but you have a significant worsening of symptoms the next day, thats an indication that youre doing too much and need to back off a bit
GHK-Cu (glycyl-L-histidyl-L-lysine copper) is a naturally occurring tripeptide bound to a copper ion
However, all applications should be considered experimental pending additional clinical research
But efficacy hinges on two factors: a clinically meaningful concentration ( 2% GHK-Cu is the floor in most studies) and a delivery method that bypasses the stratum corneum
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