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 exists in various forms, including niacinamide, which is often used in skincare for its anti-inflammatory properties and ability to improve skin barrier function. Vitamin B3 is essential for the proper functioning of the nervous system and the maintenance of healthy skin.

How much to take

Typical amount
100-500mg daily
Suggested range
14-35mg 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

White crystalline powder, soluble in water, slightly soluble in alcohol.

How it’s made

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