difference between b12 injections and tablets vs Pills: Richmond's Complete Guide Vitamin B12 Injections vs. Supplements:
Description
Yes, Vitamin B12 supports the immune system by aiding in the production of white blood cells, which help protect the body against infections

Storage: Lyophilized: refrigerate at 28 C (35.646.4 F)
Inositol stimulates fat removal by the liver

This is why supplementation is often recommended

Pawlak, R., et al

Like semaglutide, the worst side effects are very rare, and most of the side effects will go away as your body gets used to the dose
