JavaScript is off in this browser. Pages still read, but the stack calculator, the add-to-stack and compare buttons and reading a label from a photo need it.

Niacin

US Daily Value for adults: 16 mg NE · unit on labels: mg NE

Reference intakes

Value	United States	China	European Union
Label reference valueBasis of the % on labels, fixed by each regulation; not a recommended intake	16 mg NEDV · Adults and children 4+¹	14 mgNRV³	16 mgNRV⁵
Recommended intake, adults	16 mg NE (men), 14 mg NE (women)RDA · Adults 19+²	15 mg NE (men), 12 mg NE (women)RNI · Adults 18+⁴	1.6 mg NE per MJ of energy intakePRI⁶
Upper intake level	35 mg NEUL · Adults 19+²	35 mg NE (niacin); 310 mg (nicotinamide, 18–64), 300 mg (65–74), 290 mg (75+)UL · Adults 18+⁴	900 mg nicotinamide; 10 mg nicotinic acidUL⁷

FDA, 21 CFR 101.9(c)(8)(iv), Daily Values for adults and children 4 years and older
NIH Office of Dietary Supplements, Niacin fact sheet for health professionals (2022)
GB 28050-2011 General rules for nutrition labelling of prepackaged foods, Appendix A nutrient reference values (NRV); value unchanged in GB 28050-2025, Appendix A (published 16 March 2025, in force 16 March 2027) (2025)
Chinese Nutrition Society, Chinese Dietary Reference Intakes (DRIs 2023) (2023)
Regulation (EU) No 1169/2011, Annex XIII Part A, nutrient reference values (consolidated text) (2011)
EFSA NDA Panel, Scientific Opinion on Dietary Reference Values for niacin (2014)
EFSA, Tolerable upper intake levels for vitamins and minerals (Scientific Committee on Food / NDA Panel) (2006)

Label values (DV, NRV) are the reference points behind the percentages on labels. Recommended intakes and upper levels are quoted from the bodies named; they vary by age, sex and life stage, and they are not advice.