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can you use ghk cu topical GHK-Cu Serum: Benefits, Mechanism & Research Guide 5 GHK Cu Peptide Injection
Description
Cycle: 8 to 12 weeks on, 4 weeks off

Pharmacol Res (2021) 165:105465

If you want a plain-English look at who genuinely needs the vitamin, our companion piece on B12 injections covers that in full

The two leading causes of B12 deficiency are a poor diet and problems absorbing B12

Corticosteroids may mask some signs of infection, and new infections may appear during their use
