12th November 2019

livestrong
11

Is it OK to take 1000 mcg of b12 a day?

Vitamin B12 is relatively safe, even at high doses of up to 1,000 mcg. While consuming 1,000 mcg of B12 from supplements or from your diet may not pose a health threat, you can only absorb about 10 mcg per day, explains the Linus Pauling Institute.

Keeping this in view, can you overdose on vitamin B 12?

If necessary this treatment is repeated within several hours, making the total dose 10 grams. The side effects that occur, like reddening of the skin and urine and changes in heart rate and blood pressure are temporary and harmless. In short: 10 000 injections a day are still not enough for an overdose of vitamin B12.

What are the side effects of too much vitamin b12?

Common side effects of vitamin B12:
  • Headache.
  • Itching.
  • Swelling.
  • Nervousness and anxiousness.
  • Involuntary or uncontrollable movements.

How often should you take vitamin b12?

To get the full benefit of a vegan diet, vegans should do one of the following: Eat fortified foods two or three times a day to get at least three micrograms (mcg or µg) of B12 a day or. Take one B12 supplement daily providing at least 10 micrograms or. Take a weekly B12 supplement providing at least 2000 micrograms.
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