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It may happen several times a year or only once every several years
But right now, we dont have the data to confirm this is definitively the case, and anyone selling you certainty on this point is misleading you (or doesnt know what theyre talking about)
The Bottom Line GHK-Cu is one of the most scientifically researched peptides, with a genuinely fascinating profile of biological activity and a natural presence in the human body
Over a period of 12 weeks, the GHK-Cu ostensibly performed better than the controls in reducing epidermal wrinkles
For information about supplements that have been investigated in humans for athletic performance and joint health, see our Reviews of Muscle and Workout Supplements , Collagen Supplements , Nitric Oxide Supplements , and Joint Health Supplements
We've reviewed protocols stacking four or five metabolic peptides simultaneously, and the results are consistently worse than well-timed dual combinations
