US$ 27.49
are b12 injections prescription only Vitamin (Cyanocobalamin Injections) — Mountainside Medical Vitamin B12 Injections: Good or
Description
Injectable is systemic and reported as faster in user diaries
While the peptide does not increase IGF-1, caution is warranted given the theoretical relationship between growth factors and cancer progression
For laboratory and collector purposes only

But as far as humans go, high-quality studies are still needed to confirm if vitamin B-12 injections can actually contribute to weight gain