why does ghk cu injections hurt ghk-cu HURTS, how to prevent that??? : r/PeptideForum GHK-Cu Side Effects: What Does

The injection site When people complain about arm or leg pain after B12 injections, its often because of intramuscular delivery

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Bacteriostatic Water Sterile, non-pyrogenic Bacteriostatic Water (0.9% benzyl alcohol) in a multi-dose 30 mL vial for research use ideal for reconstituting peptides, proteins and antibodies, or preparing working solutions from lyophilized materials

M., Smedts H

This freeze-drying process removes moisture while preserving the peptide in a stable powder form suitable for laboratory handling and research applications

For some, immune overactivation or gut imbalances are key contributors