b12 injection is what drug class Shots: Vitamin B12 Injections Benefits, Uses, Risks Cyanocobalamin: Package Insert / Prescribing
Description
If you visit during this time, bring a raincoat and sturdy shoes

Some types of B12 are stable at room temperature, while others need to be stored in the fridge to maintain potency
Choline supports phospholipid synthesis and liver fat export

This keeps B12 levels up as the body heals