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b12 vitamins vs injections Best Vitamin Injection Site: Administering B12 Shots monthly. Oral vs. Intramuscular Vitamin B12
Description
doi:10.1177/00034894211018921

Clinical research provides guidance on safe, effective treatment durations

B12 supplementation is very safe and side effects are very rare, but supplementation is often required for life

Trends Cardiovasc Med

The dose needed depends on how severe the deficiency is and what each person needs

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