ghk-cu color blue looks in vial but barely blue in syringe — normal? : r/Peptides Blue Copper Peptide GHK-CU Regenerate
Description
S3, Supporting Document 1)

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Toxicology, 33: 261-273

When a lump appears at the injection site Occasionally a small, firm lump forms as tissue heals
Additionally, peptide stability during storage and handling affects research outcomes

Prognostic value of specific KRAS mutations in lung adenocarcinomas
