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Registered dietitians explain what vitamin B12 is, how much you need, and the potential side effects of taking too much. Skip to main content. 24/7 Help. For premium support please call: ...
Treatment should take into account the cause and severity of the condition. [6] Treatment is done by vitamin B 12 supplementation, either by mouth or by injection. [3] Initially in high daily doses, followed by less frequent lower doses, as the condition improves. [3] If a reversible cause is found, that cause should be corrected if possible. [11]
The US National Academy of Medicine updated estimated average requirements (EARs) and recommended dietary allowances (RDAs) for vitamin B 12 in 1998. [6] The EAR for vitamin B 12 for women and men ages 14 and up is 2.0 μg/day; the RDA is 2.4 μg/d. RDA is higher than EAR to identify amounts that will cover people with higher-than-average ...
For people who don’t eat animal products, there are ways to get B12 through your food, though you have to carefully read labels and/or eat copious amounts to get your daily fill. These include:
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The Recommended Dietary Allowance (RDA) for vitamin B12 is 0.9-2.4 μg/day, while the estimated average requirement in the U.S. and Canada is 0.7-2 μg/day. Elderly individuals with plasma vitamin B12 levels below 148 pmol/L are considered severely deficient, and those with levels between 148 and 221 pmol/L are marginally deficient.
These editor-approved b12 supplements are third-party tested and certified and can help improve vitamin B12 levels in the body for optimal nutrition.
It was introduced in 1997 in order to broaden the existing guidelines known as Recommended Dietary Allowances (RDAs, see below). The DRI values differ from those used in nutrition labeling on food and dietary supplement products in the U.S. and Canada, which uses Reference Daily Intakes (RDIs) and Daily Values (%DV) which were based on outdated ...