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One analysis found GHK-Cu applied to skin for 12 weeks improved collagen production in 70% of treated women (compared to 50% with a vitamin C cream and 40% with retinoic acid)
7 %, 2023/24), obgleich die Nchtigungen (+ 7,9 %) zunehmen
Harvey Co
Evening dosing may benefit users who experience daytime jitteriness or work night shifts, but 1822% of patients report sleep latency issues when dosed after 6pm
Injections also eliminate the risk of gastrointestinal discomfort that some individuals may experience with oral supplements
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