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Vitamin B 12 deficiency, also known as cobalamin deficiency, is the medical condition in which the blood and tissue have a lower than normal level of vitamin B 12. [5] Symptoms can vary from none to severe. [1] Mild deficiency may have few or absent symptoms. [1]
Lack of vitamin B12 can cause megaloblastic anemia—a condition characterized by larger than normal red blood cells in a smaller than normal amount. This causes fatigue, paleness in the skin ...
Vitamin B 12 deficiency in pregnant women is ... The main type of vitamin B12 deficiency ... even in some cases with normal blood B 12 levels. For the vitamin ...
A vitamin B12 level of less than 200 pg/mL is considered deficient. Treatment First, have your health care provider run blood tests to see if you truly have a B12 deficiency.
A blood test shows vitamin B 12 levels in the blood. [3] Vitamin B 12 deficiency can be determined, but not always. [4] This means it measures forms of vitamin B 12 that are "active" and can be used by the body, as well as the "inactive" forms, which cannot. [7] However, also normal or supraphysiological vitamin B 12 levels should be carefully ...
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 ...
Vitamin A: 900 μg: Vitamin C: 90 mg Vitamin D: 20 μg Vitamin E: 15 mg alpha-tocopherol Vitamin K: 120 μg Thiamin: 1.2 mg Riboflavin: 1.3 mg Niacin: 16 mg Pantothenic acid: 5 mg Vitamin B6: 1.7 mg Vitamin B12: 2.4 μg Biotin: 30 μg Folate: 400 μg Choline: 550 mg
Vitamin B12 deficiency symptoms . Vitamin B12 deficiency has a few hallmark symptoms, according to doctors: Lack of energy. Mental fatigue. Nausea, vomiting, or diarrhea. Lack of appetite. Weight loss
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