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

   www.aol.com/vitamin-b12-power-nutrient-heres...

   “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.C.S., principal nutritionist at Precision Nutrition. So target just ...

3. 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 ...

4. Serum vitamin B12 - Wikipedia

   en.wikipedia.org/wiki/Serum_vitamin_B12

   Serum vitamin B 12 is a medical laboratory test that measure vitamin B 12 only in the blood binding to both transcobalamins. [1] Most of the time, 80–94% of vitamin B 12 in the blood binds to haptocorrin , while only 6–20% is binds to transcobalamin ll. [ 2 ] Only transcobalamin ll is "active" and can be used by the body. [ 1 ]

5. Vitamin B12 - Wikipedia

   en.wikipedia.org/wiki/Vitamin_B12

   Vitamin B 12 was discovered as a result of pernicious anemia, an autoimmune disorder in which the blood has a lower than normal number of red blood cells, due to a deficiency of vitamin B 12. [5] [16] The ability to absorb the vitamin declines with age, especially in people over 60. [17]

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

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

   MyKind Organics Vegan B12 Spray. Made with methylcobalamin and oodles of organic fruit and botanicals, one spray a day tastes like raspberries while delivering 500 micrograms of vitamin B12. Plus ...

7. Schilling test - Wikipedia

   en.wikipedia.org/wiki/Schilling_test

   The Schilling test was a medical investigation used for patients with vitamin B 12 (cobalamin) deficiency. [1] The purpose of the test was to determine how well a patient is able to absorb B12 from their intestinal tract. The test is now considered obsolete and is rarely performed, and is no longer available at many medical centers.

8. Wait, Is Orange Juice Actually Healthy? Here's What ... - AOL

   www.aol.com/wait-orange-juice-actually-healthy...

   A 12-ounce serving of Bright & Early orange juice only has 20% of the recommended daily requirement of vitamin C and has 17 grams of added sugar. However, not all store-bought orange juice ...

9. Pernicious anemia - Wikipedia

   en.wikipedia.org/wiki/Pernicious_anemia

   The Schilling test distinguished PA from other forms of B 12 deficiency, [50] specifically, from Imerslund–Gräsbeck syndrome, a B 12-deficiency caused by mutations in CUBN that codes for cubilin the cobalamin receptor. [1] Vitamin B12 deficiency is also prevalent in patients having Crohn's disease (CD) so it should be differentiated. [62]