b12 injection and covid19 vaccine Vitamin Injections: What You Need To Know covid vaccine and vitamin b12

The study did conclude that those who took B12 supplements were unlikely to have deficient or low B12 levels

If GI side effects from tirzepatide prevent dose escalation, you have several options

We avoid cyanocobalamin, which is an old form that holistic doctors don't rely upon you don't get as good metabolic effects from it

Gastrointestinal conditions Some gastrointestinal conditions may affect how vitamin B12 is digested or absorbed, such as: history of gastrointestinal surgery celiac disease Crohns disease pernicious anemia infections, such as from Helicobacter pylori bacteria or parasites pancreatic insufficiency or cancer bowel cancer folic acid deficiency small intestinal bacterial overgrowth Vitamin B12 injections may be more helpful for people with gastrointestinal conditions than oral products

Additionally, Sun et al

Do not oxidize the disulfide , avoid contact with reducing agents (cysteine, glutathione, DTT)