allergic reaction to vit b12 injection Vitamin Side Effects Vitamin B12 Injections Side Effects

A healthy diet and regular physical activity are recommended alongside this therapy

Pain was tracked using a numeric pain rating scale (NPRS) from 0 to 10

Vitamin B12 shots are ideal for individuals with a B12 deficiency, those experiencing fatigue or low energy, vegans and vegetarians, and anyone seeking an immune or metabolic boost

Side Effects & Safety GRAS status -- FDA Generally Recognized As Safe as a food ingredient No GH axis effects -- does not alter IGF-1, insulin, or glucose levels Injection site redness -- mild, standard for SC peptides Mild headache -- infrequent Slight stomach upset -- if injected too close to eating Water retention -- rare, unlike full GH No diabetogenic effects -- blood sugar neutral, no acromegaly risk AOD-9604 has one of the cleanest safety profiles in the peptide space due to its GH fragment design