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.

Chemical NIACIN

Download a full report in PDF format
Chemid
NIACIN
A list of known dosages for NIACIN
Dosage*Reference
RDA=5-20 mg/day *
PTD=1,000 mg/day *
LDlo=4,000 (scu mus) *
LD50=5,000 (orl mus) *
Ubiquitous
Yes

Data Views

List of all chemical plants
Click on column headings to sort table by that column
Plant Part Low PPM High PPM StdDev *Reference
Abelmoschus esculentus Fruit 10.0 100.0 0.5 USDA's Ag Handbook 8 and sequelae)
Acacia farnesiana Leaf 85.0 457.0 4.4 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Achillea millefolium Plant -- -- -- *
Actaea racemosa Root -- 31.5 -0.5 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
Actinidia chinensis Fruit 5.0 30.0 -0.4 *
Aegle marmelos Fruit 1.0 26.0 -0.5 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Agathosma betulina Leaf -- 42.0 -0.7 Pedersen, M. 1987. Nutritional Herbology. Pederson Publishing. Bountiful, Utah. 377 pp.
Albizia lebbeck Seed -- 52.0 0.3 Wealth of India.
Allium ampeloprasum Flower 9.0 53.0 -0.4 *
Allium ampeloprasum Leaf 5.0 57.0 -0.5 *
Allium cepa Bulb 1.0 75.0 1.0 *
Allium cepa Leaf 7.0 90.0 -0.1 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Allium sativum var. sativum Bulb 4.0 17.0 -1.0 *
Allium sativum var. sativum Flower 4.0 34.0 -0.6 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Allium sativum var. sativum Leaf 6.0 44.0 -0.7 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Allium sativum var. sativum Shoot 5.0 22.0 -1.1 CRC Handbook of Medicinal Herbs and/or CRC Handbook of Proximate Analyses
Allium sativum var. sativum Root 3.0 7.4 -1.2 *
Allium schoenoprasum Leaf 5.0 88.0 -0.1 USDA's Ag Handbook 8 and sequelae)
Alocasia macrorrhiza Root 4.8 16.0 -1.0 *
Aloe spp. Leaf 0.3 64.0 -0.4 *
*Unless otherwise noted all references are to Duke, James A. 1992. Handbook of phytochemical constituents of GRAS herbs and other economic plants. Boca Raton, FL. CRC Press.