Table of Contents
Is it OK to take 1000 mcg injection of B12 a day?
The most common treatment for pernicious anemia is lifelong vitamin B12 injections, but small amounts of vitamin B12 are absorbed without intrinsic factor. One review concluded that taking 1,000 mcg daily is an effective alternative to injections ( 42 ).
Should B12 be given IM or SQ?
This is usually given as an intramuscular injection, every 2-3 months. Alternatives to an intramuscular injection are: Oral Vitamin B12 at a dose of at least 1000mcg per day.

How many mcg of B12 should I inject?
B12 may be injected into a muscle or under the skin at 100 mcg daily for a week, every other day for another week, and then every three or four days for a month. Thereafter, 100 mcg should be injected once a month for life.
What is vitamin B12 1000 mcg used for?
Cyanocobalamin is a man-made form of vitamin B12 used to treat low levels (deficiency) of this vitamin. Vitamin B12 helps your body use fat and carbohydrates for energy and make new protein. It is also important for normal blood, cells, and nerves.

Can vitamin B12 be given IM?
Traditionally, vitamin B12 replacement has been administered intramuscularly because absorption through the gastrointestinal tract is deficient. However, this route is less convenient for patients than oral medication and may not be covered by health insurance.
How do you give an intramuscular B12 injection?
The injection site will be in the muscle directly below your two fingers. Think of a triangle and you will insert the needle in the center of the triangle. (Picture 4-D). Location of the bone at the top of the arm Injection site Page 6 The Angle of the needle: The needle must go into the skin at a 90° angle.
How much B12 should I take 1000 mcg?
The recommended dose for treating vitamin B12 deficiency is 1000 mcg daily. The recommended dose for preventing vitamin B12 deficiency is 1500 mg or 2500 mcg (sublingual tablets) daily. The dose for treating hyperhomocysteinemia is 400 mg daily in combination with folic acid.
How many ml of B12 should I inject monthly?
B12 may be injected into a muscle or beneath the skin at 100 mcg every day or alternate days for 7 days, and then every 3 or 4 days for a month. Afterward, 100 mcg must be injected continuously throughout your life for the best results.
Why is B12 administered intramuscularly?
Is B12 shot intramuscular?
Vitamin B12 shots are the most common way to prevent or treat a deficiency. The injections are prescribed by a doctor and given intramuscularly, or into muscle. Injections are usually given as hydroxocobalamin or cyanocobalamin.
Where do you inject intramuscular injections?
Intramuscular injections are often given in the following areas:
- Deltoid muscle of the arm. The deltoid muscle is the site most typically used for vaccines.
- Vastus lateralis muscle of the thigh.
- Ventrogluteal muscle of the hip.
- Dorsogluteal muscles of the buttocks.
Is B12 level of 1000 too high?
An abnormally high vitamin B-12 status is anything over 900 pg/mL. This result may suggest liver or kidney problems, diabetes, or certain forms of leukemia.