ghk-cu injection site irritation redness itching stinging Fiancée has been injecting GHK CU and his side is extremely red and swollen. Is this normal? He's injected it daily for about a week. : r/Peptides GHK ref at injection site
GHK ref at injection site : r BiohackingU GHK Cu Peptide The benefits, side effects, and more [2026] Experiencing itchy, red welts after your peptide injections? You're not alone, and the peptide itself usually isn't the problem. The real culprits? Histamine release, mast cell activation, gut imbalances, hormonal shifts, or GHK Cu Injectable Team Wellcore
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