vitamin Vitamins Oral

Vitamin B3

Vitamin B3 is essential for cellular metabolism and energy production.

Sci.Nicotinic acid niacin niacinamide and niacin niacinamide & niacin niacinamide/niacin niacin and niacinamide niacin & niacinamide niacin - niacinamide niacin, niacinamide niacin/niacinamide niacin:niacinamide niacin niacinamide & inositol hexanicotinate vitamin b-3 vitamin b3 Vitamin B3 (mixed) niacinamide
8 forms
Oral

About Vitamin B3

Vitamin B3, also known as niacin, is an essential B vitamin that plays a crucial role in cellular metabolism, aiding in the conversion of nutrients into energy and supporting various bodily functions.

Official resources

Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.

Dietary Supplement Label Database

Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).

DSLD group id
2544

At a glance

Approval status

supplement

Compare All Forms

8 forms

Compare supplement forms of Vitamin B3 by absorption quality and what your body actually gets from each:

High Moderate Low
Form Absorption Steps to absorb Notes Action
Vitamin B3 (Inositol Hexanicotinate)
  • CAS: 16557-24-1
  • DSLD group id: 3880
 — — — View →
Vitamin B3 (mixed)
  • CAS: 59-67-6
  • DSLD group id: 3802
 — — — View →
Vitamin B3 (Niacin)
  • CAS: 59-67-6
  • DSLD group id: 2544
  • Label category: synthetic
 — — — View →
Vitamin B3 (Niacinamide)
  • CAS: 98-92-0
  • DSLD group id: 2664
 — — — View →
Vitamin B3 (Nicotinamide riboside)
  • CAS: 23111-00-4
  • DSLD group id: 3687
 — — — View →
Vitamin B3 (nicotinamide)
  • CAS: 98-92-0
  • DSLD group id: 9715
 — — — View →
Vitamin B3 (unspecified)
  • CAS: 59-67-6
  • DSLD group id: 2890
 — — — View →
Vitamin B3 (various)
  • CAS: 59-67-6
  • DSLD group id: 3317
 — — — View →

Also appears on labels as

Additional names seen on supplement labels for forms of this ingredient (beyond the main aliases above).

b3, cultured niacinamide, natural vitamin b3, niacin (vitamin b-3), niacin/esterfied niacin, niacina, niacinamida, niacinamide: niacin, niacin amino acid chelate, niacin granular, niacin usp powder, niacin vitamin b3 pure powder, niagen, niagen nicotinamide riboside, nicotinamide, nicotinamide riboside, nicotinamide riboside chloride, nicotinamide riboside hydrogen malate, nicotinate, nicotinic acid, nicotinic amide niacin, nicotinico ac, poten-zyme niacinamide, vit. b3, vitamin b-3 niacin, Vitamin B3 (Inositol Hexanicotinate), Vitamin B3 (Niacin), Vitamin B3 (nicotinamide), Vitamin B3 (Nicotinamide riboside), Vitamin B3 (unspecified), Vitamin B3 (various), vitamin pp

Type: Vitamins

Organic compounds essential for normal growth and nutrition. Required in small quantities in the diet because they cannot be synthesized by the body.

Absorption: Fat-soluble vitamins require dietary fat for absorption. Water-soluble vitamins are generally well-absorbed but excess amounts are excreted.

Interactions: Some vitamins can interfere with medications. Fat-soluble vitamins can accumulate in the body.

Watch out for

Possible interactions or cautions — talk to a healthcare provider if unsure.

  • May interact with certain medications for cholesterol and diabetes.

Potential Benefits

Benefits associated with Vitamin B3 forms:

Skin Health Energy Production Cholesterol Balance Cholesterol Management Energy Metabolism Cardiovascular Health

And 7 more benefits...

Potential Side Effects

Side effects associated with Vitamin B3 forms:

Nausea How serious: Mild Niacin Flush How serious: Moderate Flushing How serious: medium Skin Irritation How serious: Mild Gastrointestinal Distress How serious: low Mild Gastrointestinal Discomfort How serious: low

What does the research say?

Numerous studies indicate that Vitamin B3 is effective in improving cholesterol levels, reducing the risk of cardiovascular disease, and enhancing skin health. Research has shown that niacinamide can improve skin hydration, reduce fine lines, and diminish hyperpigmentation.