how often should you have your b12 injection Vitamin B12: Frequently I Get It? B12 Shots Dosage for Adults:
Description
Despite its importance, Vitamin B12 deficiency is very common in India

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PLoS ONE 10, e0130908

Gastrointestinal malabsorption: Patients with Crohns disease, celiac disease, gastric bypass or intestinal surgery often cant absorb B12 properly