b12 tablet or injection What Are Injections? And Are They Safe? monthly. Is a Vitamin B12 Injection
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He or she will make sure that the supplement wont affect the other medications you take

People with digestive conditions such as Crohn's disease, celiac disease, or other inflammatory bowel conditions often have a compromised gut lining and cannot absorb oral B12 efficiently

Administrator in reply to I can trace my symptoms back over 40 years though as you say - they did rather snow ball in the last few years

The most-cited study (Pyo et al
