what happens if you inject b12 into a blood vessel vein Vitamin B12 Injection Dosage: 7 Facts Adults Should Know B12 Shots at Home: How,

That direct route is the whole point, and its why a shot outperforms a pill for anyone with absorption challenges

They might suggest a blood panel at the outset of treatment and then again after treatment has commenced for supplementation

It is also known by the name orlistat

Another class of gastric acid inhibitors known as histamine 2 (H 2 )-receptor antagonists (e.g., cimetidine, famotidine, and ranitidine), often used to treat peptic ulcer disease, has also been found to decrease the absorption of vitamin B 12 from food

It is felt to be superior to cyanocobalamin and the methyl form is better and easier to absorb