Seal on the label
NSF Certified for Sport on supplement labels
158 products in the NIH Dietary Supplement Label Database print the NSF Certified for Sport on their label, 93 of them on the market; they list leucine 13 times as often as supplements overall (37% against 3%); 72% list at least one mineral (DSLD version 9.4.0, January 2026).
Data: NIH ODS Dietary Supplement Label Database, version 9.4.0, current labels; Daily Values 21 CFR 101.9.
NSF Certified for Sport tests products for substances banned in sport and confirms label contents. To confirm a product, use the NSF Certified for Sport product search.
What kinds of ingredient do products printing the NSF Certified for Sport list?
The share of products printing the NSF Certified for Sport listing at least one ingredient of each kind (how kinds are counted):
NSF Certified for Sport: share listing each kind of ingredient
158 products; a product counts once per kind.
Source: Supplement Facts rows of each product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0, by the ingredient category DSLD records.
What do products printing the NSF Certified for Sport contain?
Potassium is the single ingredient they list most (59% of them), then calcium (54%) and vitamin B6 (39%). The table sets their median amount per serving against the median of every product listing the same ingredient.
| Ingredient | Share listing it | Median here | All products |
|---|---|---|---|
| Potassium | 59% | 240 mg | 99 mg |
| Calcium | 54% | 119 mg | 115 mg |
| Vitamin B6 | 39% | 2 mg | 6 mg |
| Magnesium | 38% | 45 mg | 86 mg |
| Leucine | 37% | 1.25 g | 2.5 g |
| Vitamin B12 | 34% | 15 mcg | 36 mcg |
| Vitamin C | 33% | 90 mg | 100 mg |
| Thiamin | 31% | 1.1 mg | 5 mg |
| Glutamine | 30% | 2.5 g | 1 g |
| Folate | 30% | 400 mcg | 400 mcg |
| Iron | 28% | 1.5 mg | 5 mg |
| Niacin | 27% | 20 mg | 20 mg |
| Riboflavin | 27% | 1.7 mg | 4 mg |
| Chromium | 26% | 120 mcg | 100 mcg |
| Phosphorus | 26% | 400 mg | 90 mg |
Source: Supplement Facts rows of each product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0.
What kinds of products are they?
NSF Certified for Sport by DSLD product type
Brands with the most: CytoSport (24), Thorne Research (24), CytoSport Monster Series (18), EXOS Performance Nutrition (14), Extreme Edge (13), True Athlete (8), Living Fuel (7), Herbalife 24 (7), BioSteel (5), Muscle Milk (4).
Which products are they?
60 of the 158: on-market products first, the newest label first. Each ingredient page lists every product that contains it.
- Whey Sport VanillaCellucor2 labels
- The Original Lemon-Lime SqueezeXTEND2 labels
- B-Complex #6Thorne7 labels
- Recovery Tropical FlavoredVega Sport
- BioSteel Sports Hydration Mix Lemon-LimeBioSteel
- InSportRecoveryLivingFuel
- Super Essentials Omegas 3EDA+Living Fuel
- SuperEssentials AminosLiving Fuel
- BioSteel Sports Hydration Mix OrangeBioSteel
- BioSteel Sports Hydration Mixed BerryBioSteel
- Organic Plant-Based Energy + Focus Blackberry CherryGarden of Life Sport
- BioSteel Sports Hydration Mix Blue RaspberryBioSteel
- Pa(7)High Performance Nutrition
- Super Omega 3 Fish OilStronger Faster Healthier SFH
- Cytomax Tangy OrangeCytoSport
- Power OffPoweronoff
- H.A. Joint SportPurity Products
- Dr. Cannell's Advanced D SportPurity Products
- Modus Chocolate FlavorModus
- Muscle Milk Pro Series Knockout ChocolateMuscle Milk2 labels
- Pro Series Protein Powder Intense VanillaMuscle Milk
- Ultra-Pure Omega-3 Fish OilPurity Products
- BCAA Powder 4:1:1 RatioTrue Athlete2 labels
- 100% Pure Whey Protein Isolate Chocolate FlavorExtreme Edge2 labels
- Carbo Load Orange FlavorExtreme Edge2 labels
- Cosamin ASU Advanced FormulaNMx Wellness Innovations
- Post Workout Chocolate FlavorExtreme Edge3 labels
- 100% Pure Whey Protein Isolate Vanilla FlavorExtreme Edge
- Carbo Load Grape FlavorExtreme Edge2 labels
- Post Workout Vanilla FlavorExtreme Edge3 labels
- Pre Workout Grape FlavorExtreme Edge3 labels
- Pre Workout Strawberry Kiwi FlavorExtreme Edge3 labels
- AtrantilAtrantil2 labels
- Super Omega-3+Brain Armor3 labels
- Whey Protein Isolate Chocolate FlavorExtreme Edge
- Whey Protein Isolate Vanilla FlavorExtreme Edge2 labels
- C4 Sport Fruit PunchCellucor2 labels
- Whey Sport ChocolateCellucor
- Energized Training Formula Fruit PunchTrue Athlete4 labels
- Energized Training Formula WatermelonTrue Athlete4 labels
- Natural Whey Protein 20 g UnflavoredTrue Athlete
- Training FormulaTrue Athlete4 labels
- Natural Whey Protein Isolate 25 g ChocolateTrue Athlete
- Natural Whey Protein Isolate 25 g VanillaTrue Athlete
- Whey Protein Swiss Chocolate FlavorIRONMAN3 labels
- Whey Protein Tahitian Vanilla FlavorIRONMAN3 labels
- Nordic Probiotic SportNordic Naturals2 labels
- Cytomax Fast Twitch Fruit PunchCytoSport2 labels
- Gainer ChocolateMuscle Milk
- Gainer Vanilla CremeMuscle Milk
- Monster Amino 6:1:1 Blue RaspberryCytoSport Monster Series2 labels
- Monster Amino 6:1:1 Fruit PunchCytoSport Monster Series2 labels
- Monster Amino 6:1:1 GrapeCytoSport Monster Series2 labels
- Monster Amino 6:1:1 WatermelonCytoSport Monster Series2 labels
- Monster Blend ChocolateCytoSport Monster Series4 labels
- Monster Blend VanillaCytoSport Monster Series4 labels
- Monster Isolate ChocolateCytoSport Monster Series4 labels
- Monster Isolate VanillaCytoSport Monster Series4 labels
- Monster Massive VanillaCytoSport Monster Series
- Monster Milk BananaCytoSport Monster Series
Source: NIH ODS Dietary Supplement Label Database version 9.4.0. How products are chosen: a seal or certification named in the label's printed statements, as DSLD transcribed them; the certifier's own list is where to confirm it.