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.

The amounts printed most often
Amount per serving	Products	For example
20 mg	2,521	Pre-Training Formula Tropical Punch (Gamma Labs); Spiru-Pro Soy Protein Drink With Spirulina Natural Vanilla (Vitamin World); Maximum CLA (GNC Pro Performance)
50 mg	985	Sport (GNC Mega Men); Maximum Nutrition Vanilla Bean (GNC Mega Men); Maximum Nutrition Vanilla Creme (GNC Women's Ultra Mega)
10 mg	853	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 mg	804	K-Otic (All American EFX); Vegetarian Multiple with Beta Carotene (Schiff Daily Wellness); Fireball Extreme Rush Fruit Punch (Precision Engineered)
30 mg	707	One 'N' Only Men's Formula (Pure Essence Labs); Men's (Rexall Sundown Naturalist); Mega Vita Woman 50+ High Potency (Vitamin World)
100 mg	537	Niacin 100 mg (Vitamin World); B100 Complex (Sundown Naturals); Vitamins For The Hair (Vitamin World)
5 mg	449	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 mg	425	Xtreme Shock Blue Raspberry (Xtreme Shock); Xtreme Shock Grape (Xtreme Shock); Women's 30 Plus Multi (Highland Laboratories)
16 mg	366	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 mg	342	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).

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.

Median niacin per serving by the year the label entered DSLD (years with 20+ products)
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 71 of 256), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.

Energize+ Citrus BurstShaklee Performance2 mg
Energize+ Natural Citrus Burst FlavoredShaklee Performance · off the market2 mg
Energized Xpand Xtreme PumpDymatize Nutrition · off the market24 mg
EnergizerPower Blendz5 mg
Energizer Formula With Coenzyme Q10 & Lipoic AcidMartin Avenue Pharmacy50 mg
Energizer OneRainbow Light · off the market30 mg
Energizing Pre-Workout Pink LemonadeBodyLogix30 mg
Energizing Smoothee Mix VanillaShaklee 1807.2 mg
Energizing Soy Protein Creamy Cocoa FlavorShaklee10 mg
Energizing Soy Protein Natural VanillaShaklee10 mg
Energizing Soy Protein Natural Vanilla FlavorShaklee · off the market10 mg
EnergyUpTime20 mg
EnergyVitabase25 mg
EnergyMyBite Vitamins10 mg
EnergyBayer One A Day40 mg
EnergyWeyland Brain Nutrition20 mg
EnergyNOW25 mg
EnergyCognizance20 mg
Energy & Fat Metabolism FactorsProCaps Laboratories5 mg
Energy & Fat Metabolism FactorsProCaps5 mg
Energy & Focus Lemon & Lime FlavourHigher Nature18 mg
Energy & MetabolismGNC Women's Ultra Mega50 mg
Energy & MetabolismGNC Mega Men50 mg
Energy & Metabolism ChocolateGNC Mega Men50 mg
Energy & Metabolism ChocolateGNC Women's Ultra Mega50 mg
Energy & Metabolism GeneratorGNC Women's Ultra Mega20 mg
Energy & Metabolism GeneratorGNC Mega Men20 mg
Energy & Metabolism One DailyGNC Women's Ultra Mega20 mg
Energy & Metabolism VanillaGNC Women's Ultra Mega50 mg
Energy & Metabolism VanillaGNC Mega Men50 mg
Energy +Noor Vitamins40 mg
Energy And MetabolismGNC Women's Ultra Mega50 mg
Energy and Metabolism IgniterGNC Women's20 mg
Energy And StressVitabase40 mg
Energy B-ComplexRainbow Light · off the market50 mg
Energy B-Complex Plus Vitamin CRainbow Light · off the market50 mg
Energy BalanceCountry Life Gut Connection12.6 mg
Energy Boost Watermelon Drink MixPremama7 mg
Energy Boosters Delicious Cherry Flavored Chewable WafersGreens Today20 mg
Energy Boosters Formula Chewable Vitamins Tangy Citrus FlavorGreens Today · off the market21 mg
Energy C with Electrolytes Natural Orange FlavorSwanson Ultra · off the market5 mg
Energy C with Electrolytes Natural Orange FlavorSwanson5 mg
Energy CapsuleOceanus Naturals5 mg
Energy Cherry LimeadeNuun20 mg
Energy ChocolateGNC Mega Men · off the market50 mg
Energy ChocolateGNC Women's Ultra Mega · off the market50 mg
Energy CompleteComplete Brands Instant Brands30 mg
Energy DropsDiatriX10 mg
Energy EnhancerGNC Longevity Factors · off the market10 mg
Energy Enhancer N.O.GNC Pro Performance AMP10 mg