is it safe to inject ghk cu GHK-Cu Copper Peptide Injections: Advanced Skin Rejuvenation GHK-Cu Injectable Peptide for Skin

Renew Sustain Energy Rev 170:112965 Cao Z et al (2022b) Highly dispersed RuO 2 -biomass carbon composite made by immobilization of ruthenium and dissolution of coconut meat with octyl ammonium salicylate ionic liquid for high performance flexible supercapacitor

Formulated with benzyl alcohol as a preservative, it is designed for multiple-dose withdrawals to safely prepare medications for injection

Some people do find that lower doses more frequently work better for them - so I'd suggest trying it and see how you go before deciding that you need to use multiple doses administered simultaneously - particularly as the rate of lost of B12 is higher the higher the amount in your blood is

An Overview of Preclinical and Clinical Data

Clinical Update 3/28/2023 Pain Reduction with Lavender Oil

If you want results, not just theory, this is the peptide to reach for