Table of Contents
Can I take B12 tablets instead of 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 vitamin B12 effective when taken orally?
The authors of the two studies comparing oral with intramuscular administration of vitamin B12 concluded that oral vitamin B12 was as effective as the intramuscular treatment.
Can I take tablets for pernicious anemia?
The BNF suggests the use of oral tablets to replace any dietary deficiency in B12 but does not recommend them for treating Pernicious Anaemia – that should be treated with injections.
In which patients is vitamin B12 administered orally?
In reviews of the literature published between 1999 and 2007, Daly-Youcef [4] and Andrés E [19] concluded that orally administered vitamin B12 provided effective treatment for adult and elderly patients with deficiencies, although they highlighted that further studies were needed to determine its effectiveness in …
How much B12 is absorbed when taken orally?
Specialists divide vitamins into two categories: water soluble and fat soluble. Water soluble vitamins dissolve in water and exit the body via the urine. Vitamin B-12 is a water soluble vitamin, and this is one of the reasons why higher vitamin B-12 levels are not toxic.
How often should you have B12 injections for pernicious anemia?
If your vitamin B12 deficiency is not caused by a lack of vitamin B12 in your diet, you’ll usually need to have an injection of hydroxocobalamin every 2 to 3 months for the rest of your life.
Does sublingual B12 really work?
Sublingual absorption works for small molecules, not large ones, and vitamin B12 is a very large molecule. It turns out, however, that subsequent research revealed that even people with pernicious anemia can, in fact, benefit from oral vitamin B12.
What are symptoms of B12 anemia?
Feeling tired and weak
What is the prognosis of pernicious anemia?
With ongoing care and proper treatment, most people who have pernicious anemia can recover, feel well, and live normal lives. Without treatment, pernicious anemia can lead to serious problems with the heart, nerves, and other parts of the body.
How quickly do B12 shots work?
Depends: It comes as a long acting form and a short acting form. If you take a short acting capsule on an empty stomach, it will work within 1-2 hours. If you cut off the end and squeeze the medicine under your tongue (not recommended), it will work in 1-2 minutes but can cause excessive fall in BP so can be dangerous.