Oral Absorption vs
Additional symptoms include poor balance, confusion, difficulty remembering, and depression
However, the B12 itself can stay in your system longer, with effects on red blood cell production and nerve health lasting for weeks or months, depending on your deficiency and injection frequency
As a result, your body burns more calories, which can contribute to weight loss in an indirect way
If your deficit is mild, you may respond quickly to medication and eating more foods containing B12
For example: Proton pump inhibitors (PPIs) and H2 receptor antagonists, which are mainly used to reduce stomach acid, can affect the release of vitamin B12 from food and its absorption in the stomach