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

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

   Just be aware that this is a potent dose, per Cording. ... 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 ...

3. The Top Signs You Have a Vitamin B12 Deficiency - AOL

   www.aol.com/top-sign-vitamin-b12-deficiency...

   Adults need about 2.4 micrograms of B12 a day (that much can be found in one portion of salmon, canned tuna or ground beef), with pregnant and nursing women needing slightly more (2.6 and 2.8 mcg ...

4. Vitamin B12 - Wikipedia

   en.wikipedia.org/wiki/Vitamin_B12

   Vitamin B 12 deficiencies have a greater effect on young children, pregnant and elderly people, and are more common in middle and lower-developed countries due to malnutrition. [10] The most common cause of vitamin B 12 deficiency in developed countries is impaired absorption due to a loss of gastric intrinsic factor (IF) which must be bound to ...

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

   www.aol.com/finance/vitamin-b12-could-energy...

   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 ...

6. Vitamin B12 deficiency - Wikipedia

   en.wikipedia.org/wiki/Vitamin_B12_deficiency

   In this study, children born to mothers with high folate concentrations and low vitamin B 12 concentrations were found to have higher adiposity and insulin resistance at age 6. In the same study, over 60% of pregnant women were deficient in vitamin B 12, which was considered to increase the risk of gestational and later diabetes in the mothers ...

7. Multivitamin - Wikipedia

   en.wikipedia.org/wiki/Multivitamin

   For example, the Food and Drug Administration recommends that adults on a 2,000 calorie diet get between 60 and 90 milligrams of vitamin C per day. [18] This is the middle of the bell curve. The upper limit is 2,000 milligrams per day for adults, which is considered potentially dangerous. [19]