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  2. These High-Quality Vitamin B12 Supplements Can Help ... - AOL

    www.aol.com/lifestyle/high-quality-vitamin-b12...

    Again, the daily recommended dietary allowance of vitamin B12 for most adults is 2.4 micrograms, stretching up to 2.6 and 2.8 micrograms if you’re pregnant or nursing.

  3. Vitamin B12 deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12_deficiency

    6% (< 60 years old), 20% (> 60 years old) [ 4 ] Vitamin B12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin B 12. [ 5 ] Symptoms can vary from none to severe. [ 1 ] Mild deficiency may have few or absent symptoms. [ 1 ]

  4. Vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12

    Vitamin B 12 is included in multivitamin pills; in some countries grain-based foods such as bread and pasta are fortified with B 12. In the US, non-prescription products can be purchased providing up to 5,000 μg each, and it is a common ingredient in energy drinks and energy shots, usually at many times the recommended dietary allowance of B ...

  5. Pernicious anemia - Wikipedia

    en.wikipedia.org/wiki/Pernicious_anemia

    Frequency. 1 per 1000 people [8] Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [5] Those affected often have a gradual onset. [5] The most common initial symptoms are feeling tired and weak. [4]

  6. 4 expert-recommended supplements to boost your energy - AOL

    www.aol.com/finance/4-expert-recommended...

    4 expert-recommended supplements to boost your energy. Beth Greenfield. June 29, 2024 at 5:15 AM. Getty Images. ... And about 15% of the population is deficient in B-12. So that's something that ...

  7. Vitamin B12 for Weight Loss: Does It Work? - AOL

    www.aol.com/lifestyle/vitamin-b12-weight-loss...

    Since the dawn of the Internet (and probably well before), there have been several solutions sold for weight management — including vitamins for weight loss. One in particular, vitamin B12 ...