Everyone needs vitamin B-12, and most people get enough through their diet. Normal vitamin B12 levels vary throughout different labs. Though high Vitamin B12 in blood levels is a rare occurrence, it does occur. Vitamin B12 test measures how much of the vitamin is in your blood. Pee may be bright yellow because it’s a water-soluble vitamin. The GP assured me that I don't have any of these things, as my kidney and liver function tests all come out fine and so do my white blood … High folate levels can also mean a vitamin B12 deficiency. There are some types of blood test that may help determine if the vitamin B12 in your blood can … High levels of Vitamin B12 may be too much of a good thing. When taking a vitamin B complex, it should be noted that more caution is required with vitamins B5 and B6. There is no risk of cancer from high B12 levels from SUPPLEMENTS. Inactive analogues of B12 (transcobalamin I and III) may represent as much as 80% of your blood levels. He recently had some blood work done a CBC, iron test, and vit B12, thyroid test. This can occur when the stomach makes less of the substance the body needs to properly absorb vitamin B12. Many vitamin B-12 supplements contain much more of the vitamin than the body needs. Update: B12 shots have recently become unavailable online due to regulations.Until now. High Serum B12 Can Be Caused By A Functional B12 Deficiency. I questioned him about it and he said that was good not bad. I Vlog trough my journey of trying to overcome Rheumatoid Arthritis with natural means. So if vitamin B12 levels are very low, folate can't be used by the cells, and high levels of it may build up in the blood. As a result, you could be anemic. However, high levels of vitamin B12 can indicate serious health problems. Vitamin B12 is a very important vitamin for the body. Learn more here. It measures the total amount of B12 in the blood, not distinguishing between active and inactive forms of B12. If a significant amount of the vitamin B12 in your blood is inactive, a blood test may show that you have normal B12 levels, even though your body cannot use much of it. Consequently, an overdose of B12 is often useful, needed to achieve the desired elevation in B12 blood levels. Dr said everything looked normal, but when he showed me the results the vit B12 was flagged as "high" at around 1400. Vitamin B12 is one of the 8 types of vitamins belonging to the B complex. "Vitamin B12 is crucial for a well-functioning brain and nervous system. On top of that, we know that only a small percentage of vitamin B12 taken orally is actually absorbed. A lack of vitamin B12 in the body can lead to vitamin deficiency anemia 1 2 4. Reasons for deficiency may include reasons like too much alcohol and poor diet. Some medications can interfere with this test. Vitamin B-12 is also added to some foods and is available as an oral supplement. Vitamin B12 is a water-soluble vitamin, which means that when we ingest too much of it, the excess amounts are flushed out of the body through urine. The relationship among vitamin B-12, folate and iron is a good example of the complex way in which some essential nutrients help keep your body healthy. This test is most often done when other blood tests suggest a condition called megaloblastic anemia. Pernicious anemia is a form of megaloblastic anemia caused by poor vitamin B12 absorption. Food sources of vitamin B-12 include poultry, meat, fish and dairy products. Increased vitamin B12 levels are uncommon, because excess vitamin B12 is usually eliminated with urine. Vitamin B12 levels are measured through a vitamin B12 level blood test, also referred to as a cobalamin test, according to MedlinePlus. But if you take supplements, you might ingest more than your body needs. The risk comes from having high levels when you are NOT taking supplements. I have not spoken to the doctor about this yet but will be in two weeks. It is crucial to the synthesis and repair of DNA and the myelin sheath, a layer safeguarding our nerves. Both of these levels appear to be well above the ranges. Active vitamin B12 makes up 6 – 20% of your total blood vitamin B12 levels [28, 29]. It is MTHFR. This happens when there is problem with the working of the liver, or there is blood disease. Learn about the side effects of taking too much. There is a low-cost blood test available that can detect this genetic defect. Body cells need vitamin B12 to use folate. Elevated blood levels of vitamin B12 are generally associated with increased amounts of proteins that carry vitamin B12 in the bloodstream or release of stored vitamin B12. Symptoms of too much vitamin B12 Dr Thornber said one of the signs of too much vitamin B12 is urine discolouration. It is a vitamin that dissolves in water (water-soluble). If you are trying for that then an MMA test is more likely to prove useful (although both are highly likely to give normal results). Vitamin B12 Overdose: the Vitamin B Complex. My blood test cam back with a Folate Level of 28.1 ng/mL on a range of 3.1-17.5 and my B12 was 1,408.0 pg/mL on a range of 193.0-986.0. This makes it nearly impossible to overdose on the nutrient. It aids the nerve cells, the RBCs and is even used to produce DNA in the cells. Once the test is performed, your doctor will discuss the results with you. Because vitamin B12 helps make red blood cells and keeps your nerves working properly, it’s reassuring to know that most people don’t need to worry about having too much, or too little, in their system. However, if you google "excess vitamin B12 in the blood" you get a whole load of worrying suggestions, like liver or kidney disease and a long list of leukaemias and cancers. 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