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Can You Overdose On Vitamin B. In fact a dosage of 5000 mcg or more of Vitamin B12 Is often recommended for those who have a health condition that affects their B12 absorption. For instance some symptoms from taking too much vitamin B complex may include high blood sugar blurry vision numbness nausea and vomiting skin lesions and liver problems. We all need enough Vitamin D but it is possible to have too much of a good thing. Consuming safe levels of B-complex vitamins is essential to avoid overdose.
Most of the B vitamins are important for metabolism with functions linked to skin hair brain and muscle health. In 2012 the American Association of Poison Control Centers reported 59028 exposures and only one death. Any excess will simply be flushed out in your urine. Overdosing on certain vitamins. Approximately 56 percent of a 1mcg oral dose of vitamin B12 is actually absorbed. Too Much Vitamin B Side Effects.
No toxic or adverse effects associated with a large intake or overdose of vitamin B12 from food sources or supplements in healthy people have been documented 1.
While B vitamins are essential nutrients your body requires daily to function properly taking in too many B vitamins can be detrimental - even dangerous in some cases. Vitamin overdose and toxicity rarely leads to death or serious illness. Absorption actually decreases when the intake amount of the vitamin is increased. No toxic or adverse effects associated with a large intake or overdose of vitamin B12 from food sources or supplements in healthy people have been documented 1. When you take too much vitamin B complex or particularly excess of vitamin B12 it can cause shortness of breath pain and numbness in limbs and increase risk of cardiac problems. B-6 is important for people at any age since your body needs it to metabolize energy from food make new red and white blood cells and maintain a healthy nervous system.