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  • Writer's pictureShruti GOCHHWAL

What are Vitamin B Injections Used for?

In general, vitamins are essential nutrients that the body requires in order to carry out various biochemical functions.

It is usually obtained from fruits and food products but sometimes, vitamin supplements are a great alternative to receiving or making up for the lack of nutrients.

There are usually two main reasons why supplements are taken:

  1. Your diet does not contain enough foods that are rich in vitamins.

  2. Your body is unable to absorb all the vitamins in your diet.

One Vitamin which the body typically cannot easily absorb is Vitamin B and that is why it is a very common deficiency, especially Vitamin B12 deficiency.

Deficiency Symptoms of Vitamin B12 includes:

  1. Pale skin

  2. Weakness

  3. Fatigue

  4. Ulcers

  5. Difficulty breathing

  6. Dizziness

  7. Moodiness

  8. Disrupted vision

  9. Heart palpitations

  10. Anemia: Reduction in red blood cells.

Supplements of Vitamin B12 or cobalamin are available in different forms like tablets, pills, nasal spray, and injections.

The most common form of supplement is the Vitamin B12 injection or the cobalamin injection.

Increase in energy levels, Image credits Pickpik

Benefits of Vitamin B Injection: What does Vitamin B12 Injection or Shot do?

It is very important to point out that your body usually absorbs only the necessary amounts of vitamins that it needs to perform biochemical functions. Therefore, if your body is not deficient in vitamin B12 then taking supplement injections will not make any difference to your body.

In fact, overdosing could be harmful to your body.

However, if your body is deficient then the supplement injection is highly beneficial to your body in the following ways:

  1. Treating people with acute anemia

  2. Improving and enhancing energy levels thus reducing fatigue and weakness

  3. Aids in weight loss by boosting metabolism

  4. By boosting metabolism, it can also be very beneficial to diabetic especially people suffering from type 2 diabetes.

  5. Treats skin conditions

  6. Reduces stress levels

  7. Improved liver function

  8. Enhances brain and neurological function by protective nerves.

  9. Improves sleep patterns

  10. Boost the immune system

Image credit: Wikimedia commons

The administration of vitamin B 12 injections has many advantages as it is quick, safe, effective, and painless. Moreover, sometimes the intestinal proteins that are required to absorb Vitamin B12 are lower or deficient. Thus in order to ensure absorption, it is more effective to introduce it directly into the bloodstream.


If a person is on other medications, high levels of vitamin B12 from the injection can interact with the body and cause problems. Thus, it is very important to reveal your medical history and details to your doctor.

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