Pre-Injection Preparation Understand the route mismatch first: AHK-Cus only peptide-specific evidence is an ex-vivo / in-vitro study, its chemistry favours the topical route [5] , and a subcutaneous protocol has no efficacy or safety data behind it
If they immediately offer a shot without asking, thats a red flag
Subcutaneous (SC) Injections: Subcutaneous injections are administered just beneath the skin into the fatty tissue, usually in the abdomen or upper arm
For a deeper dive into the research, see our guide on B12 injection efficacy, or read real patient reviews
At first, youll get vitamin B12 injections every day for a week
For long-term storage, keep the vial lyophilized and freeze at 80 C (112 F) until use