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As B12 helps make red blood cells, a lack of vitamin B12 can cause anemia
Last reviewed: November 16, 2025 The ACIP recommended on September 18, 2025, that all people age 6 months and older in the United States may receive one or more doses of an age-appropriate 20252026 Formula COVID-19 vaccination based on individual decision-making, following shared clinical decision-making discussion with a healthcare professional (e.g., a nurse, doctor, or pharmacist)
This section addresses common inquiries regarding B complex vitamins, providing evidence-driven insights into their benefits, daily impact on health, natural sources, side effects, age-related needs, and comparison with vitamin B12 supplements
Injecting into fat instead of muscle reduces absorption, so the dose may not work as intended
Vitamin B12 is synthetically synthesized as cyanocobalamin
To meet your needs, you may need to take vitamin B12 injections
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