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ghk cu cycle ghk-cu peptide GHK-Cu Dosage and Protocol: A Medical Provider's Guide to the 30-Day Unlocking the Secrets of GHK-Cu:
Description
& Lin, X

A 30 mL bottle covers roughly 10-15 vials

Using 2mL gives you 2.5mg/mL concentration (20 IU = 0.5mg), while 2.5mL gives 2mg/mL (25 IU = 0.5mg)
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