vitamin
Niacin supplements
Half of the 12,413 niacin supplements in the NIH label database that print an amount list 20 mg or less per serving; the middle half list 13.2 mg to 48 mg, and 35% of the 12,334 with a plausible amount give more than the adult upper limit at the most servings their labels direct (DSLD version 9.4.0, January 2026). The 295 products whose only supplement ingredient is niacin list a median of 500 mg, and 98% of them give more than the upper limit.
- Products listing it
- 12,77912,413 print an amount; 359 list it inside a blend without an amount
- Median per serving
- 20 mgmiddle half 13.2 mg to 48 mg
- FDA Daily Value
- 16 mgthe median is 125% of it
- Adult upper limit (IOM)
- 35 mg4,377 products go above it a day
How much niacin do supplements contain?
The median product lists 20 mg per serving. One in ten lists 5 mg or less, one in ten 100 mg or more. The amount printed most often is 20 mg (2,521 products).
Products by amount of niacin per serving
12,413 products, log scale; extreme 0.2% at each end left out of the drawing.
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
How do the amounts compare with the Daily Value and the upper limit?
The FDA Daily Value for niacin is 16 mg (adults and children 4 and older). The median product gives 125% of it per serving; the 90th percentile 625%.
The adult Tolerable Upper Intake Level is 35 mg a day (synthetic forms from supplements and fortified foods). At the most servings their labels direct, 4,377 of the 12,334 products with a plausible amount (35.5%) give more than that from the supplement alone (what counts as plausible).
The upper limit is for total intake from food, water and supplements unless stated, and does not apply under medical supervision. A label amount is what the maker printed. This is data, not advice: the NIH ODS fact sheets explain what each nutrient does.
Sources: 21 CFR 101.9(c)(8)(iv) (Daily Values); Institute of Medicine, DRI summary tables (2011) (upper limits); on reading them, the FDA's Daily Value page.
Which products list the most niacin?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- NiaPlexKaruna1,000 mg
- Hb HDL BenefitPRN Physician Recommended Nutriceuticals1,000 mg
- Vitamin B3 Niacin 1000 mgLife Extension1,000 mg
- Niacinamide 1,000 mgNature's Life1,000 mg
- Memory BoostHighland Laboratories1,000 mg
- Timed Release Niacin 100 mgRugby1,000 mg
- First Step VitaminsVitalBulk1,000 mg
- Niacin 1000 mgVitalBulk1,000 mg
Have the amounts changed over the years?
Products whose current label entered DSLD in 2011 list a median of 26 mg; those entered in 2025, 20 mg.
| Year | Products | Median per serving |
|---|---|---|
| 2011 | 287 | 26 mg |
| 2012 | 850 | 25 mg |
| 2013 | 1,066 | 20 mg |
| 2014 | 648 | 20 mg |
| 2015 | 635 | 20 mg |
| 2016 | 566 | 20.2 mg |
| 2017 | 637 | 25 mg |
| 2018 | 565 | 20 mg |
| 2019 | 679 | 20 mg |
| 2020 | 1,065 | 20 mg |
| 2021 | 1,006 | 20 mg |
| 2022 | 1,181 | 20 mg |
| 2023 | 997 | 20 mg |
| 2024 | 1,185 | 20 mg |
| 2025 | 1,046 | 20 mg |
Source: DSLD label entry dates and amounts, current labels.
In which products and brands?
Products listing niacin by DSLD product type
Brands listing it most: Douglas Laboratories (253), Nature's Way (232), Nature's Plus (208), Bronson (96), Cellucor (92), Country Life (86), NOW (81), ProCaps Laboratories (79), Metagenics (78), Rainbow Light (75).
Every product listing niacin
12,779 products, A to Z by name (page 12 of 256), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Alarm UltraImage Sports30 mg
- Alarm WatermelonImage Sports25 mg
- AlertHigher Nature30 mg
- Alive! Adult Gummy MultivitaminNature's Way4 mg
- Alive! Adult Premium GummiesNature's Way8 mg
- Alive! Adult Ultra MultivitaminNature's Way · off the market40 mg
- Alive! Adult Ultra Potency Complete MultivitaminNature's Way · off the market40 mg
- Alive! B-ComplexNature's Way40 mg
- Alive! B-Complex Gummies Cherry FlavorNature's Way · off the market20 mg
- Alive! B-Complex Gummies Cherry FlavoredNature's Way · off the market20 mg
- Alive! B-Complex Gummies Delicious Mango FlavoredNature's Way · off the market16 mg
- Alive! B-Complex Gummy Mango FlavoredNature's Way16 mg
- Alive! Children's Chewable Multi-VitaminNature's Way20 mg
- Alive! Children's Chewables Multi-Vitamin Orange + Berry Fruit FlavorsNature's Way · off the market16 mg
- Alive! Complete Liquid Multivitamin Max Potency Citrus FlavoredNature's Way20 mg
- Alive! Complete Premium Prenatal GummiesNature's Way · off the market18 mg
- Alive! Complete Premium Prenatal MultivitaminNature's Way18 mg
- Alive! Complete Prenatal Multi-VitaminNature's Way · off the market18 mg
- Alive! Complete Prenatal Multi-Vitamin Berry FlavoredNature's Way · off the market20 mg
- Alive! Complete Prenatal MultiVitaminNature's Way · off the market18 mg
- Alive! Daily EnergyNature's Way · off the market32 mg
- Alive! Daily Energy Complete MultivitaminNature's Way32 mg
- Alive! Daily Support Premium Prenatal GummiesNature's Way · off the market18 mg
- Alive! Daily Support Prenatal MultiVitamin Strawberry FlavoredNature's Way18 mg
- Alive! Diabetic MultivitaminNature's Way40 mg
- Alive! Energy 50+Nature's Way · off the market32 mg
- Alive! Energy 50+ Complete MultivitaminNature's Way32 mg
- Alive! Fatigue FighterNature's Way8 mg
- Alive! Garden Goodness Men's Multi-VitaminNature's Way24 mg
- Alive! Garden Goodness Men's MultivitaminNature's Way · off the market24 mg
- Alive! Garden Goodness Women's Multi-VitaminNature's Way · off the market16 mg
- Alive! Garden Goodness Women's MultivitaminNature's Way16 mg
- Alive! Gummies Multi-Vitamin for ChildrenNature's Way · off the market2 mg
- Alive! Hair, Skin & Nails Multi-Vitamin Strawberry FlavoredNature's Way · off the market16 mg
- Alive! Hair, Skin & Nails Multivitamin Strawberry FlavoredNature's Way16 mg
- Alive! Hair, Skin & Nails Strawberry Flavored Multi-VitaminNature's Way · off the market20 mg
- Alive! Kids Chewable Multivitamin Orange & BerryNature's Way5.75 mg
- Alive! Kids Chewable Multivitamin Orange & Berry Fruit FlavoredNature's Way · off the market5.75 mg
- Alive! Kids Complete Multivitamin GummyNature's Way · off the market2 mg
- Alive! Kids Gummy MultivitaminNature's Way2 mg
- Alive! Kids Multivitamin GummyNature's Way · off the market6 mg
- Alive! Kids Premium Gummy MultivitaminNature's Way5.3 mg
- Alive! Kids Premium Multivitamin GummyNature's Way · off the market5.3 mg
- Alive! Kids Zero Sugar Multivitamin Gummy Berry-CitrusNature's Way3.2 mg
- Alive! Liquid Citrus FlavorNature's Way · off the market20 mg
- Alive! Max 6 Daily Multi-Vitamin Max PotencyNature's Way · off the market125 mg
- Alive! Max 6 Daily No Added IronNature's Way · off the market125 mg
- Alive! Max 6 Daily Potency Multivitamin No Added IronNature's Way · off the market125 mg
- Alive! Max 6 Potency MultivitaminNature's Way · off the market125 mg
- Alive! Max3 DailyNature's Way125 mg