You might get frequent headaches if your vitamin B12 levels are too high. Elevated levels of this vitamin can also cause gastrointestinal problems such as diarrhea, nausea, and vomiting. You may feel tired and weak. High amounts of vitamin B12 can also cause you to feel like your hands and feet are tingling.Overview. Vitamin B-12 (cobalamin) plays an essential role in red blood cell formation, cell metabolism, nerve function and the production of DNA, the molecules inside cells that carry genetic information. Food sources of vitamin B-12 include poultry, meat, fish and dairy products.
What foods contain B12 : Vitamin B12 is present in foods of animal origin, including fish, meat, poultry, eggs, and dairy products [5,12]. Plant foods do not naturally contain vitamin B12. However, fortified breakfast cereals and fortified nutritional yeasts are readily available sources of vitamin B12 that have high bioavailability [13,14].
What happens if your B12 is too high
An abnormally high vitamin B12 status is anything over 900 pg/mL . This result may suggest liver or kidney problems, diabetes, or certain forms of leukemia.
Is 1000 mg of B12 too much daily : Though high doses of vitamin B12 supplements have been linked to rare side effects in certain populations, it's generally safe, and there's currently no recommended maximum amount for this vitamin.
Early signs of too much B12 include mild diarrhea and itching. Too much B12 is not associated with serious symptoms, but vitamin B12 injections can cause serious side effects that may require emergency medical treatment. Too much B12 is caused by vitamin B12 injections or high doses of B12 oral supplements. Though daily high doses of B12 are unlikely to cause harm in most people, extremely high doses should be avoided unless a healthcare professional prescribes it. If you think you may be deficient in B12, speak with your doctor, who can recommend an appropriate treatment based on your level of deficiency.
Can too much B12 damage kidneys
No upper intake limits are typically placed on vitamin B12 consumption because any excess is normally filtered out of the body through urine, with a low chance of adverse reactions. However, some research suggests that high doses of vitamin B12 supplements may have negative outcomes on those with kidney diseases.Even the lowest doses in B12 supplements are many times the recommended dietary allowance. Doses up to 1,000 mcg, though unnecessary, aren't harmful.A person whose vitamin B12 levels are outside of the normal range will require treatment. High B12 levels may indicate liver disease, diabetes, or certain types of leukemia. Low levels of the vitamin may indicate a B12 deficiency or pernicious anemia. Taking too much can cause side effects like nausea, headache, dizziness, and in rarely, blood clots or cancer. Everyone needs vitamin B-12, and most people get enough through their diet. However, it's important to know what side effects occur when you take too much.
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Antwort Can Too Much vitamin B12 Be Harmful? Weitere Antworten – How much B12 per day
2.4 mcg
How much vitamin B12 do I need
You might get frequent headaches if your vitamin B12 levels are too high. Elevated levels of this vitamin can also cause gastrointestinal problems such as diarrhea, nausea, and vomiting. You may feel tired and weak. High amounts of vitamin B12 can also cause you to feel like your hands and feet are tingling.Overview. Vitamin B-12 (cobalamin) plays an essential role in red blood cell formation, cell metabolism, nerve function and the production of DNA, the molecules inside cells that carry genetic information. Food sources of vitamin B-12 include poultry, meat, fish and dairy products.
What foods contain B12 : Vitamin B12 is present in foods of animal origin, including fish, meat, poultry, eggs, and dairy products [5,12]. Plant foods do not naturally contain vitamin B12. However, fortified breakfast cereals and fortified nutritional yeasts are readily available sources of vitamin B12 that have high bioavailability [13,14].
What happens if your B12 is too high
An abnormally high vitamin B12 status is anything over 900 pg/mL . This result may suggest liver or kidney problems, diabetes, or certain forms of leukemia.
Is 1000 mg of B12 too much daily : Though high doses of vitamin B12 supplements have been linked to rare side effects in certain populations, it's generally safe, and there's currently no recommended maximum amount for this vitamin.
Early signs of too much B12 include mild diarrhea and itching. Too much B12 is not associated with serious symptoms, but vitamin B12 injections can cause serious side effects that may require emergency medical treatment. Too much B12 is caused by vitamin B12 injections or high doses of B12 oral supplements.
Though daily high doses of B12 are unlikely to cause harm in most people, extremely high doses should be avoided unless a healthcare professional prescribes it. If you think you may be deficient in B12, speak with your doctor, who can recommend an appropriate treatment based on your level of deficiency.
Can too much B12 damage kidneys
No upper intake limits are typically placed on vitamin B12 consumption because any excess is normally filtered out of the body through urine, with a low chance of adverse reactions. However, some research suggests that high doses of vitamin B12 supplements may have negative outcomes on those with kidney diseases.Even the lowest doses in B12 supplements are many times the recommended dietary allowance. Doses up to 1,000 mcg, though unnecessary, aren't harmful.A person whose vitamin B12 levels are outside of the normal range will require treatment. High B12 levels may indicate liver disease, diabetes, or certain types of leukemia. Low levels of the vitamin may indicate a B12 deficiency or pernicious anemia.
Taking too much can cause side effects like nausea, headache, dizziness, and in rarely, blood clots or cancer. Everyone needs vitamin B-12, and most people get enough through their diet. However, it's important to know what side effects occur when you take too much.