An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture
  1. Home
  2. NIACIN

NIACIN

Chemical ID
NIACIN
Ubiquitous
Yes
List of known dosages
Dosage
LD50=5,000 (orl mus)
LDlo=4,000 (scu mus)
PTD=1,000 mg/day
RDA=5-20 mg/day

Select a Results View:

Download these results as:
CSV
EXCEL
PDF
List of chemical activities.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Activity Dosage Reference
Allergenic Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antiacrodynic *
Antiallergic 50 mg/2x/day Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antialzheimeran *
Antiamblyopic *
Antianginal *
Anticataract *
Antichilblain Jeffery B. Harborne and H. Baxter, eds. 1983. Phytochemical Dictionary. A Handbook of Bioactive Compounds from Plants. Taylor & Frost, London. 791 pp.
Anticonvulsant 3 g/day Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antidementia *
Antidermatitic Davies, S., and Stewart, A. 1990. Nutritional Medicine. Avon Books, New York. 509pp.
Antidiabetic *
Antidysphagic *
Antiepileptic 3 g/day Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antihangover 50 mg *
Antihistaminic 50 mg 2x/day Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antihyperactivity 1.5-6 g/day Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
Antiinsomnic 1 g/day Werbach, M. 1993. Healing with Food. Harper Collins, New York, 443 pp.
AntiLyme 50 mg/day *
AntiMeniere's Duke, J. A. Writeups or information summaries on approximately 2,000 economic plants, USDA, ARS, Beltsville, MD 20705.
Download these results as:
CSV
EXCEL
PDF
List of chemical plants.
Click on column headings to sort table by that column. *Unless otherwise noted all references are to (Duke, 1992)
Plant Name Plant Part Low Parts Per Million High Parts Per Million Standard Deviation Reference
Citrus sinensis Fruit 2.0 31.0 -0.4 *
Cnicus benedictus Plant 0.4 3.1 -1.0 *
Cnidoscolus chayamansa Leaf 2.0 85.0 -0.2 *
Cocos nucifera Seed 5.0 10.0 -1.0 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Coffea arabica Leaf 52.0 56.0 -0.5 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Coffea arabica Seed 13.0 14.0 -0.9 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Coix lacryma-jobi Seed 13.0 48.0 0.2 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Colocasia esculenta Leaf 8.0 105.0 0.1 *
Colocasia esculenta Root 4.0 40.0 -0.3 *
Corchorus olitorius Leaf 11.0 102.0 0.1 *
Coriandrum sativum Fruit 21.0 23.0 -0.5 USDA's Ag Handbook 8 and sequelae)
Coriandrum sativum Leaf 13.0 136.0 0.5 *
Corylus avellana Seed 10.0 54.0 0.3 *
Crataegus laevigata Fruit *
Crataegus rhipidophylla Fruit Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
Crescentia alata Seed 9.0 -1.0 *
Cucumis melo Fruit 4.6 68.0 0.1 USDA's Ag Handbook 8 and sequelae)
Cucumis sativus Fruit 3.0 76.0 0.2 *
Cucurbita pepo Flower 7.0 142.0 0.5 USDA's Ag Handbook 8 and sequelae)
Cucurbita pepo Fruit 6.0 71.0 0.1 USDA's Ag Handbook 8 and sequelae)