is topical ghk cu safe GHK-Cu for Anti-Aging: Does This Copper Peptide Really Work? GHK-Cu Peptide | The benefits,

Some tenderness, redness, or a slight bump at the injection site is normal

This factor is not complement, cytokine or immunoglobulin, and appears to be packaged into exosomes (Benjamins et al., 2019)

This swelling should resolve within 24 hours or sooner

As a result, users can draw repeated doses from the same multi-dose vial while maintaining proper aseptic technique to help minimize the risk of contamination

W.et al (2011)

Focus on foods rich in B12 even though you have the methylcobalamin supplement: eggs, fish, poultry, dairy, and fortified foods provide additional B12 through dietary pathways that, while impaired, are not completely shut down