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doi:10.1038/sj.ejcn.1602212
Research shows that oral glutathione supplementation was effective in elevating reserve levels of GSH in the body, which impacted immune function and levels of oxidative stress
You can use many topical GHK-Cu products daily, but your ideal frequency depends on the product strength and your skins response
The pharmacokinetic answer: GHK-Cu has a plasma half-life of approximately 30-60 minutes in circulation, meaning it clears your bloodstream within hours of injection or topical application
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