Typical dose

1000 mcg daily

Oral Oral safety: harmless

About this supplement

Vitamin B12, also known as cyanocobalamin, is a water-soluble vitamin that plays a crucial role in the formation of red blood cells, neurological function, and DNA synthesis. It is essential for the metabolism of every cell in the human body, particularly affecting DNA synthesis and regulation, but also fatty acid synthesis and energy production. Vitamin B12 is naturally found in animal products and is often supplemented in vegetarian and vegan diets.

How much to take

Typical amount
1000 mcg daily
Suggested range
250-5000 mcg daily

Potential benefits

Benefits linked to this supplement form:

Things to watch for

Possible side effects linked to this form:

Health goals

Needs and goals this form may help with:

Other forms of Vitamin B12

Compare absorption and active amounts with sibling forms:

Technical details â–¼

Chemical ID (CAS)

68-19-9

Formula

C63H88CoN14O14P

Physical properties

Vitamin B12 is a red crystalline powder that is soluble in water and has a slightly bitter taste. It is stable under normal conditions but can degrade when exposed to light and heat.

How it’s made

Vitamin B12 is produced through fermentation processes using specific strains of bacteria or can be synthesized chemically.