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Use fresh, alcohol-swabbed stoppers for each vial
14 One study, conducted in Europe, found the following averages for IGF-1 levels in healthy patients of different age ranges: 15 The study reported an average serum IGF-1 level of 200-210 ng/ml, suggesting that this is the typical level for adults on a Western diet
Why You'll See Different Answers Across Studies Published research on GHK-Cu doesn't converge on one number because study designs vary widely
When properly injected there is usually little risk or adverse reactions
But human data is currently limited to several small studies
Bruising at the IV site occurs occasionally but is cosmetic and temporary
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