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A diagnosis of vitamin B 12 deficiency is determined by blood levels lower than 200 or 250 picograms per ml (148 or 185 picomoles per liter). [3] Some people can have symptoms with their normal levels of the vitamin, or may have low levels despite having no symptoms. [5] Other tests may be done to ensure individuals status. [3]
A diagnosis of vitamin B 12 deficiency is determined by blood levels lower than 200 or 250 picograms per ml (148 or 185 picomoles per liter). Measurement of blood methylmalonic acid (MMA), a vitamin B 12-associated metabolite, is a commonly used biomarker. [2] Deficiency is often suspected first, as diagnosis usually requires several tests.
Other symptoms of vitamin B12 deficiency include memory loss, ... (A blood test is the only way to know.) PeopleImages. If that’s you, find a supplement with a USP, Informed- Choice, or NSF ...
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.
First, have your health care provider run blood tests to see if you truly have a B12 deficiency. If you do, the only way to treat it is to consume more B12, either through food, supplements or ...
Vitamin B12 deficiency causes symptoms like fatigue, poor memory, a swollen tongue, and canker sores. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...