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The safest course is to treat every peptide product as a drug until proven otherwise, confirm the DIN before you touch it, and get a classification opinion in writing

Particularly the safety issues

Use a dosage of 1 mcg/kg to 10 mcg/kg body weight for subcutaneous or intramuscular injection

What documentation ships with each lot of the research-grade GHK-Cu peptide

2.3.2 Plasma pharmacokinetic parameters of BPC157 in rats evaluated based on total radioactivity After a single IM injection of 100 g/300 Ci/kg [3H]BPC157 in jugular vein cannulated (JVC) rats, the total radioactivity concentrations in the whole blood and plasma were similar between males and females

It works by stimulating collagen production, improving elasticity, and helping to heal areas affected by scarring