ghk-cu copper peptide interactions with growth hormone secretagogues Peptides: All the Rage and Not Much Human Science Emerging Peptide Therapies in Orthopaedics:

This was produced in both oral gavage and intravenous bolus push injection

A previous study (Raduan et al., 2022) discovered that the methanol extract of LG bark possessed significant antioxidant capabilities compared to the hexane, chloroform, and aqueous extracts

[DOI] [PubMed] [Google Scholar] 145.Hofmann S, Hilbe M, Fajardo RJ, Hagenmuller H, Nuss K, Arras M, et al

Some drugs, including proton pump inhibitors, metformin, and contraceptives, may affect vitamin B12 levels

If you notice increased anxiety after starting B12 supplementation, it's worth discussing with your provider

Whether its through injections, shots under the skin, or IV, the aim is the same