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how many injections of vitamin b12 should i take Do You Need a Prescription for Injections? Vitamin B12 Injections: What You
Description
Back when companies could still offer B12 injection kits, they almost all used sterile water
Future research should focus on large-scale, well-controlled randomized trials with standardized dosing protocols, clearly defined deficiency thresholds, and long-term follow-up to strengthen the evidence base and guide clinical practice

In the United States, patients usually receive vitamin B 12 injections of 1 mg/d in their first week of treatment

Diorio C, Teachey DT