Official resources
Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.
- Niacinamide (ClinicalTrials.gov)
- Vitamin B3 - Clinical trials (PubMed)
- Vitamin B3 - Dose and administration (PubMed)
- Vitamin B3 - Adverse effects (PubMed)
- Vitamin B3 - Mechanism of action (PubMed)
- Vitamin B3 - Kinetics (PubMed)
- Vitamin B3 - Poisoning (PubMed)
- Vitamin B3 - Dietary supplement use in human (PubMed)
Dietary Supplement Label Database
Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).
- DSLD group id
- 1570
Compare All Forms
1 formCompare supplement forms of Vitamin B3 by absorption quality and what your body actually gets from each:
| Form | Absorption | Steps to absorb | Notes | Action |
|---|---|---|---|---|
| Vitamin B3 | — | — | — | View → |
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.