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For a regular patient with vitamin B12 deficiency, the doctors usually start with a high dosage

Further doses are not automatically required

Full list of articles: How often should you get a B12 shot, and how much B12 should you inject per shot

Who really benefits B12 shots make the biggest difference for people who are genuinely low, including: People with a diagnosed B12 deficiency Vegans and vegetarians, since B12 comes mainly from animal foods Older adults, who absorb B12 less efficiently People with pernicious anemia or digestive conditions that block absorption How to use B12 shots the right way If you decide B12 shots fit your plan, treat them as one piece of a bigger picture: Build the plan on food

Vitamin B12 plays a key role in converting food into usable cellular energy