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However, formulators should exercise caution when combining ghk cu powder with vitamin C or alpha hydroxy acids, as these ingredients can destabilize the copper-peptide complex or alter pH levels in ways that reduce efficacy
See what a recent study found in the Cardiovascular Disease section of our Green Tea Supplements and Drinks Review
An increase in resting heart rate has been reported in some patients
A few people notice temporary soreness at the injection site or mild flushing that fades quickly
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