how often should i take vitamin b12 injections Will Need B Complex Injections? Does B12 Help You Lose

[10] [11] Intramuscular B12 injections (hydroxocobalamin or cyanocobalamin) bypass the digestive system, but UK product information (SmPCs) for hydroxocobalamin injections does list gastrointestinal disturbances, including diarrhoea, as possible adverse reactions, albeit rare

It is not approved or intended for human or animal use, ingestion, dosing, or therapeutic application

This is true if they continue to have trouble absorbing nutrients

Rare but serious risks include pancreatitis, gallbladder disease, acute kidney injury (secondary to dehydration from GI effects), and a theoretical thyroid C-cell tumor risk based on rodent data that has not been confirmed in human post-marketing surveillance