Is B12 supplementation effective?

Is B12 supplementation effective?

Research now shows that high doses of oral vitamin B12 (eg. 1000mcg daily) can be just as effective at treating deficiency, even in the absence of intrinsic factor, and may be a suitable alternative to intramuscular injections for many people.

How quickly does B12 supplementation work?

B12 injections work quickly; they are the most effective way for your body to absorb Vitamin B12. Within 48 to 72 hours, your body will begin to make new red blood cells. For mild deficiencies, you may need two to three injections over several weeks to notice peak impact.

Are B12 tablets as effective as injections?

If you have vitamin B12 deficiency, vitamin B12 tablets may be as effective as injections. They are readily available, cheaper, and taken orally with ease. However, vitamin B12 injections are more readily absorbed in the body and do not have to be administered as often as oral tablets.

Is B12 therapy lifelong?

The short course of vitamin B12 may be of benefit since the elderly have a high incidence of food malabsorption, with some early studies suggesting possible cognitive improvement after vitamin B12 supplements. If IFAB is positive, the future management is lifelong therapy.

What is the most effective form of vitamin B12?

The most common and cost-effective form of Vitamin B12, Cyanocobalamin is most often found in supplements and some fortified foods. Hydroxocobalamin is a highly bioavailable form of Vitamin B12 that is used to treat people with serious deficiencies.

Can B12 deficiency nerve damage be reversed?

Most problems due to vitamin B12 deficiency can be treated with vitamin B12 supplementation, but nerve damage may not be reversible even after treatment. The sooner your vitamin B12 deficiency is treated, the more likely it is that your symptoms will go away.

What happens if B12 deficiency is not treated?

If left untreated, the symptoms of vitamin B12 deficiency tend to worsen and irreversible problems involving the nerves and brain may develop. The risk of experiencing a number of serious complications, including heart failure, may also increase.

How long does it take to reverse a B12 deficiency?

Once you begin treating your vitamin B12 deficiency, it can take up to six to 12 months to fully recover. It is also common to not experience any improvement during the first few months of treatment. If you can, it’s a good idea to address what’s causing the deficiency.