How much vitamin B12 should one take daily?

Depends. It depends on how deficient you are. Usually 2000mcg/day is recommended. Taking a form that is under the tongue is better absorbed. Balance with a b-complex. Consider shots if your blood levels are below 500.

Related Questions

Is it harmful to take too much vitamin b12? I'm taking 2500mcg daily.

No. It's very safe. If you are taking it as an oral supplement, be sure you are able to absorb it by this route -- many people who are deficient cannot. Your physician knows how to tell. Best wishes. Read more...

What is the max daily dose of vitamin B12 an adult female with very low levels can take? If her face is flushed is she taking too much?

B12 deficiency. The usual dose for vitamin B12 orally is 1 mg (1000 mcg) orally once daily. Some people need 2 mg (2000 mcg). It is never necessary to take more than that. Read more...
Interesting question. Adults generally need 2.6 micrograms b12/day. To replace deficiencies, im shots bypass gut absorption problems that can contribute to deficiency in the first place. 1, 000 micrograms of intramuscular cobalamin can be given once/day for 10 days, then once/week for four weeks, followed by once/month for life. Sublingual b12, 500-1000mcg/day. The form of B12 (cobalamin) may be important; see comment. Read more...

How much vitamin B12 should I take if I take daily colchicine for fmf?

See your doctor. Colchicine or Colcrys can decrease the absorption of B12 on occasion which can lead to neuropathy and anemia. Have your doctor check your B12 level in order to determine how much you need. However; B12 is a water soluble vitamin---what you do not need will pass in the urine. Read more...

How do I know how much vitamin B12 should I take if I take daily colchicine for fmf.?

Colchicine and B12. Although Colchicine is known to cause vitamin B12 depletion, how much B12 to take to prevent this isn't known. The typical replacement dose for vitamin B12 is 1000 micrograms or 1 mg orally once daily. Read more...
500mcg sublingual . Sublingual b-12 will absorb the best since Colchicine interferes with intrinsic factor which facilitates absorption of b-12 in the ileum. Be sure to take sufficient 25-oh vit d3 which is also deficient in fmf. Eating an anti-inflamamtory diet will help as well. Read more...

I am 22.My vitamin b12=76.Vitamin d=10.I am taking methylcobalmin 750 mg daily. And vit d tablets too. Do I need to take vit B12 injections too?

Maybe... Wow, pretty low levels. I imagine you're taking 750 mcg daily, not mg. Increase to 1000 mcg 2x/day and chew the tablets- see http://bit.Ly/1cbhjvn some people will be able to get adequate B12 this way while others will need injections, depending on their ability to absorb b12-if levels not higher in a month get shots. For d, with levels that low try 10, 000 iu of d3/day: see http://bit.Ly/1gnxnk0. Read more...

Given Vitamin B12 injections daily for one week. A few hours after his first injection he started to feel whole body tightness and cramps on the left?

Not known. Not sure why taking B12 injections for one week. I take it you are getting them from a provider? The body tightness and cramps need more information to help you. Read more...