How Much Vitamin B12 Is Safe To Take

February 26, 2022

250 mcg per day OR. Older addults require 24 micrograms or mcg of vitamin B12 daily notes the Linus Pauling Institute.

Vitamin B12 And The Vegan Diet Today S Dietitian Magazine

For healthy people a B12 dosage of between 250 500 µg will safely cover the daily requirement.

How much vitamin b12 is safe to take. It should be noted that this information refers to oral supplements the dosage of vitamin B12 injections is discussed in a separate article. If your B-complex contains 50000 of the Daily Value DV which is 6 mcg for adults then it has 3000 mcg of B-12. Unlike some vitamins vitamin B12 is measured in micrograms not milligrams.

The daily requirements of vitamin B12 are approximately 2 to 25 μg provided in a balanced diet. When consumed in excess amounts its flushed out of the body through urine. Though doses of up to 2000 mcg of vitamin B12 are considered safe its best to speak to a doctor to find out whether taking a supplement is necessary.

Pregnant or lactating women need 26 mcg and 28 mcg respectively. The RDA for vitamin B12 is 2 to 28 mcg however you can safely consume up to 1000 mcg per day. Studies suggest that for elderly people taking 125250 micrograms of vitamin B12 is effective for maintaining needed levels and avoiding deficiency.

A microgram is a thousandth of a milligram so 500 mg of vitamin B12 is 500000 micrograms. For older adults who are already deficient taking one milligram of vitamin B12 daily for a month has been shown to reverse the deficiency and appears to be safe and without side effects. That the body absorbs just 97 micrograms mcg of a 500 mcg dose which is just 2.

However there are no scientific studies available to definitively prove that taking as much as 1000 micrograms of vitamin B-12 regularly is either useful or safe. According to the ODS the RDA of vitamin B-12 by age is as follows. Although the recommended daily dosage for vitamin B12 may not sound much vitamin B12 deficiency is pretty common.

In fact studies show that for those who are deficient in the nutrient taking up to 2000 micrograms per day is safe. One review recommended that those with vitamin B12 deficiency take 1 mg of vitamin B12 daily for a month followed by a maintenance dose of 125250 mcg per day. Getting enough Vitamin B12 on a regular basis is really important and the best plan is to take B12 along with all of the other B vitamins as a complex.

While megadoses of up to 2000 mcg are considered safe in treating B12 deficiency its always best to avoid excessive amounts of any vitamin especially when its. Vitamin B12 is a water-soluble vitamin. Tufts University recommends for older adults to focus on vitamin B12-fortified food products to ensure adequate intake and absorption.

The tissue stores of B12 are wide between 3 and 10 mg and can take decades to empty. Choose one of the two dosing guidelines for Vitamin B12. The recommended daily intake of vitamin B12 is only 24 mcg for most adults.

For this reason a vitamin B12 overdose is unlikely. Most good multivitamins include all of the B complex including enough B12 for daily maintenance. For people without a severe B-12 deficiency this is much more than necessary.

If you have a condition check with your health care provider for your exact vitamin B12 requirement. Taking vitamin B12 is considered safe although high-dose supplements or prescription-only injections of B12 might cause diarrhea itching blood clots and allergic reactions in some people. In essence high dose B12 is useful in treating a deficiency.

Up to 15 of the population fail to consume enough vitamin B12. The Food and Nutrition Board has not set a UL for vitamin B-12 for adults since there are no known side effects associated with taking more than the recommended daily allowance. As you can start to see a once daily or once weekly supplement will more than satisfy the RDA.

Most Vitamin B12 supplements start at least 250 mcg and go as high as 5000 mcg per dose.

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