The 4 Different Types Of Vitamin B12

 In Injections, IV Infusion Therapy, Weight Loss

The 4 Different Types Of Vitamin B12

There are multiple vitamins that are crucial to the survival of the human body – and vitamin B12 is one of them. The vitamin is obtained from various food sources and also available as a supplement. When absorbed in the body, vitamin B12 has a very important role in the creation of DNA. This is a type of genetic material that is important for cellular production, growth, and function. Vitamin B12 also plays a role in the maintenance of blood cells, as well as nerve cells.

A deficiency in this vitamin affects an estimated 18% to 20% of the population. Vitamin B12 deficiency can lead to anemia and other complications. Signs may include pale skin, fatigue, weakness, mouth ulcers, and dizziness.

IV Therapy for Athletes

There are several way to treat vitamin B12 deficiency. The most come way is to take vitamin B12 is orally. However,  intramuscular injection is better way to to administer Vitamin B12 and can be self-administered or given by a doctor.  Another great way is IV Therapy which is done intravenously  and travels through the blood stream. There are different types of vitamin B12 that can be obtained to increase the levels of this nutrient in the human body, as well as to prevent the complications of vitamin B12 deficiency. Here, we take a look at the four main types of vitamin that is available.

1. Methylcobalamin

Methylcobalamin is technically the “main” type of vitamin B12. When the body absorbs vitamin B12 from food or supplements, it stores the nutrient in the form of Methylcobalamin in the body. This form of the vitamin is needed for interaction with numerous enzymes in the human body. The interaction with these enzymes assist in the creation of red blood cells, as well as to synthesize certain types of amino acids in the body. Methylcobalamin also interacts with certain enzymes that are involved in the repair of DNA. There are only a couple of the important functions that this particular form of vitamin B12 play in the body.

2. Adenosylcobalamin

Adenosylcobalamin is the name of another active vitamin B12 form that exists naturally within the human body. It acts upon several systems alongside Methylcobalamin. The human body is also able to convert between these two easily. If it needs more Adenosylcobalamin, for example, it could convert some of the bioavailable Methylcobalamin to this particular form. Adenosylcobalamin is primarily involved in the energy metabolism process that is performed within each cell of the human body.

Supplements do not use Adenosylcobalamin as it is an unstable molecule. Instead, companies rather utilize Methylcobalamin to produce vitamin B12 supplements, as the body is able to convert this form to the other active form.

3. Hydroxycobalamin

Hydroxycobalamin is considered another natural form of the vitamin that is created within the gastrointestinal tract. The microflora (bacteria that reside in the digestive system) produces Hydroxycobalamin from certain food sources that a person consumes.

Scientists have found that it is possible to engineer Hydroxycobalamin from certain microorganism cultures in laboratories. It is now sometimes used as a generic type of vitamin B12 injectable shots. The human body is able to easily convert Hydroxycobalamin into both Methylcobalamin, as well as Adenosylcobalamin.

4. Cyanocobalamin

Cyanocobalamin is the most common type of vitamin B12 that is utilized in supplements – including oral supplements, IV supplements, and intramuscular supplements. This is an artificial type of nutrient that is developed within a laboratory. It contains a molecule known as cyanide.

While cyanide is generally considered poisonous and toxic to the human body, the amount of cyanide contained within Cyanocobalamin is generally considered non-toxic and safe.


Vitamin B12 has various roles to play in the human body. The nutrient helps with the creation of red blood cells and DNA and is also involved in the regulation of nerve cells. Obtaining an adequate supply of vitamin B12 is possible through the consumption of certain foods, as well as with the administration of vitamin shots and dietary supplements.


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