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  2. Vitamin B12 Is a Power Nutrient. Here's How to Know If ... - AOL

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    Vitamin B12 is good for your brain and may help improve memory. ... “Vitamin B12 requirements are low because we can store up to 2,500 micrograms in the liver,” says Ryan D. Andrews, R.D., C.S ...

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

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    Supplements, Vitamin B-12 1,000 mcg With Folic Acid. amazon.com. ... However, there are a few potential health benefits of B12 supplements to have in mind. May help with sleep.

  4. How vitamin B12 could give you an energy boost - AOL

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    Everyone requires a certain amount of B12 depending on their age, starting with .5 mcg per day for infants up to 2.4 mcg for teens and adults and even more—2.6 mcg and 2.8 mcg, respectively, for ...

  5. Vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12

    "B12" and "Cbl" redirect here. For other uses of B12, see B12 (disambiguation). For the musical group, see Carbon Based Lifeforms. Pharmaceutical compound Vitamin B12 General skeletal formula of cobalamins Stick model of cyanocobalamin (R = CN) based on the crystal structure Clinical data Other names Vitamin B12, vitamin B-12, cobalamin AHFS / Drugs.com Monograph MedlinePlus a605007 License ...

  6. Vitamin B12 deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12_deficiency

    Vitamin B 12 deficiency is preventable with supplements, which are recommended for pregnant vegetarians and vegans, and not harmful in others. [2] Risk of toxicity due to vitamin B 12 is low. [2] Vitamin B 12 deficiency in the US and the UK is estimated to occur in about 6 percent of those under the age of 60, and 20 percent of those over the ...

  7. B vitamins - Wikipedia

    en.wikipedia.org/wiki/B_vitamins

    The B 12 vitamin is not abundantly available from plant products [4] (although it has been found in moderate abundance in fermented vegetable products, certain seaweeds, and in certain mushrooms, with the bioavailability of the vitamin in these cases remaining uncertain), [5] making B 12 deficiency a legitimate concern for those maintaining a ...