purpose of vitamin b12 injections Do You Need a Prescription for Injections? The Truth About B12 Injections:

Maximize your results: B12 is one piece of the puzzle

(Source: Vitamin B12 Deficiency in Cats: The Role of the Gut.) A B12 deficiency can cause weight loss, lethargy, diarrhea, or vomiting

Vitamin B12 is attached to protein molecules in food and can only be absorbed by the body after being split from the protein by hydrochloric acid in the stomach

Whilst B12 is generally safe, individualised advice ensures appropriate use and identifies any potential interactions or contraindications specific to your circumstances

In these conditions, bowel thickening and inflammation leads to poor absorption of nutrients and weight loss

And what happens after (included follow-up, a 24/7 line, a structured review, versus none of that)