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Can You Take Too Much B12. Everyone needs vitamin B-12 and most people get enough through their diet. However its important to know what side effects occur when you take too much. Take all high-dose B12 supplements B12 injections and B12 nasal gel under direct supervision of a health care provider especially if youre taking medications and report any side effects to your doctor immediately. Our today topic is vitamin b12 overdose symptoms mayo clinicWe will talk about vitamin b12 overdose symptoms mayo clinicB12 Vitamin excess is not usually a major problemConsuming too much vitamin B12 through foods and vitamin supplements does not make you sick in generalBut high levels of vitamin B12 can rarely point to another serious health problem.
Taking Vitamin B12 Safely. For this reason a vitamin B12 overdose is unlikely. While the recommended daily amount of vitamin B-12 for adults is 24 micrograms you can safely take higher doses. In fact studies show that for those who are deficient in the nutrient taking up to 2000 micrograms per day is safe. At a dose of 500 mcg one-sixth the amount in your supplement an increased risk of colorectal cancer was reported in a placebo-controlled study of older people. However if your B12 levels are high it may be due to an underlying disease.
How Much Vitamin B12 Do You Need.
As the biological half-life of vitamin B12 in the plasma is about 6 days you could take 1000 mcg of vitamin B12 once a week with the same health benefits. Whatever B12 your body doesnt use is excreted in your urine. As the biological half-life of vitamin B12 in the plasma is about 6 days you could take 1000 mcg of vitamin B12 once a week with the same health benefits. Because your body will only absorb as much as it needs vitamin B12 supplements are considered safe at high doses. Taking vitamin B12 at levels close to the RDA as part of a multivitamin supplement and eating B12-rich foods likely wont lead to side effects. Can I take too much B12.