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20 Σεπ 2023 · A vitamin B12 test measures the amount of vitamin B12 in the blood. The normal values listed here—called a reference range—are just a guide. These ranges vary from lab to lab, and your lab may have a different range for what's normal.
This test is used to: Check for vitamin B12 deficiency anemia. The test is often done for those who've had stomach or bowel surgery. It's also done for those who have problems of the small intestine. And people may have the test if they have a family history of this anemia.
In most countries, the lower vitamin B12 range of what’s considered normal levels is too low (100-250), often missing severe deficiencies. People show signs of B12 deficiency even at higher levels, as deficiencies may begin to appear in the cerebrospinal fluid below 550.
Discusses vitamin B12 deficiency anemia. Explains role of B12 in red blood cells, which carry oxygen through your body. Covers symptoms and tests used to diagnose. Includes info on treatment with diet and medicines.
9 Ιαν 2024 · A vitamin B12 level test checks the amount of vitamin B12 in the body. Normal levels usually range from 200 to 900 picograms per milliliter, but the way of measuring will depend on...
Introduction. Vitamin B12 is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement and a prescription medication. Because vitamin B12 contains the mineral cobalt, compounds with vitamin B12 activity are collectively called cobalamins [1].
29 Μαΐ 2023 · Low levels of vitamin B12 can cause problems with your nervous system and blood cell production. A simple blood test can tell you whether your levels are low. Find out more from the experts...
