PlainVitamins

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.

Niacin: products by amount per serving0.3 mg3 mg30 mg300 mgDaily Value 16 mgUpper limit 35 mg
Niacin: products by amount per serving0.3 mg1 mg3 mg10 mg30 mg100 mgDaily Value 16 mgUpper limit 35 mg
Niacin: products by amount per serving0.3 mg1 mg3 mg10 mg30 mg100 mg300 mgDaily Value 16 mgUpper limit 35 mg
Niacin: products by amount per serving0.3 mg1 mg3 mg10 mg30 mg100 mg300 mgDaily Value 16 mgUpper limit 35 mg
Niacin: products by amount per serving0.3 mg1 mg3 mg10 mg30 mg100 mg300 mgDaily Value 16 mgUpper limit 35 mg
The amounts printed most often
Amount per servingProductsFor example
20 mg2,521 Pre-Training Formula Tropical Punch (Gamma Labs); Spiru-Pro Soy Protein Drink With Spirulina Natural Vanilla (Vitamin World); Maximum CLA (GNC Pro Performance)
50 mg985 Sport (GNC Mega Men); Maximum Nutrition Vanilla Bean (GNC Mega Men); Maximum Nutrition Vanilla Creme (GNC Women's Ultra Mega)
10 mg853 1,000 mg Vitamin C Lite (Emergen-C); Children's Chewable Animal Chews With Calcium Delicious Berry Flavor (Vitamin World); Age Defying Skincare Vitamin (Vite MD)
25 mg804 K-Otic (All American EFX); Vegetarian Multiple with Beta Carotene (Schiff Daily Wellness); Fireball Extreme Rush Fruit Punch (Precision Engineered)
30 mg707 One 'N' Only Men's Formula (Pure Essence Labs); Men's (Rexall Sundown Naturalist); Mega Vita Woman 50+ High Potency (Vitamin World)
100 mg537 Niacin 100 mg (Vitamin World); B100 Complex (Sundown Naturals); Vitamins For The Hair (Vitamin World)
5 mg449 Beveri Immunity Boost Natural Tangerine Flavor (beveri); Beveri Immunity Boost Natural Tropical Fruit Flavor (beveri); Blue 1,000 mg Vitamin C Berry Blue (Emergen-C)
40 mg425 Xtreme Shock Blue Raspberry (Xtreme Shock); Xtreme Shock Grape (Xtreme Shock); Women's 30 Plus Multi (Highland Laboratories)
16 mg366 One Daily Men's Health Formula (Equaline); Ultra Preventive N.A. (Douglas Laboratories); Wellavoh Daily Multi-Nutrient Complex For Women PM Formula (Sonoran Bloom)
15 mg342 Coral Calcium Plus (MicroTech Professional Formulations); Super Male Plex With VirileMax (Vitamin World MPP Men's Performance Products); Teen Multiple (FemTeen Symmetry)

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).

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.

Median niacin per serving by the year the label entered DSLD (years with 20+ products)
YearProductsMedian per serving
201128726 mg
201285025 mg
20131,06620 mg
201464820 mg
201563520 mg
201656620.2 mg
201763725 mg
201856520 mg
201967920 mg
20201,06520 mg
20211,00620 mg
20221,18120 mg
202399720 mg
20241,18520 mg
20251,04620 mg

Source: DSLD label entry dates and amounts, current labels.

In which products and brands?

Products listing niacin by DSLD product type

Niacin by product typeOther Combinations9,715Multi-Vitamin and Mineral (MVM)1,072Botanical with Nutrients810Vitamin632Amino acid/Protein68Single Vitamin and Mineral52Non-Nutrient/Non-Botanical33Botanical25
Niacin by product typeOther Combinations9,715Multi-Vitamin and Mineral (MVM)1,072Botanical with Nutrients810Vitamin632Amino acid/Protein68Single Vitamin and Mineral52Non-Nutrient/Non-Botanical33Botanical25
Niacin by product typeOther Combinations9,715Multi-Vitamin and Mineral (MVM)1,072Botanical with Nutrients810Vitamin632Amino acid/Protein68Single Vitamin and Mineral52Non-Nutrient/Non-Botanical33Botanical25
Niacin by product typeOther Combinations9,715Multi-Vitamin and Mineral (MVM)1,072Botanical with Nutrients810Vitamin632Amino acid/Protein68Single Vitamin and Mineral52Non-Nutrient/Non-Botanical33Botanical25
Niacin by product typeOther Combinations9,715Multi-Vitamin and Mineral (MVM)1,072Botanical with Nutrients810Vitamin632Amino acid/Protein68Single Vitamin and Mineral52Non-Nutrient/Non-Botanical33Botanical25

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 56 of 256), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

Where next?