Typical dose

100-500mg daily

Oral Oral safety: very low

About this supplement

Vitamin B3, also known as niacin, is a water-soluble vitamin that plays a crucial role in energy metabolism and the synthesis of fatty acids and cholesterol. It is essential for the proper functioning of the nervous system and the maintenance of healthy skin. Vitamin B3 can be found in various food sources, including meat, fish, eggs, and green vegetables.

How much to take

Typical amount
100-500mg daily
Suggested range
14-16mg daily for adults

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 B3

Compare absorption and active amounts with sibling forms:

Technical details â–¼

Chemical ID (CAS)

59-67-6

Physical properties

Vitamin B3 is a white, crystalline powder that is soluble in water. It has a melting point of 234-236 °C.

How it’s made

Vitamin B3 can be synthesized from the amino acid tryptophan in the body or produced synthetically through chemical processes.