Seal on the label
NSF certified (contents or GMP) on supplement labels
1,351 products in the NIH Dietary Supplement Label Database print the NSF certified (contents or GMP) on their label, 1,092 of them on the market; they list folate 2.2 times as often as supplements overall (23% against 10%); 53% list at least one vitamin (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 certifies dietary supplements against its contents standard (NSF/ANSI 173) and audits manufacturing (GMP registration). To confirm a product, use NSF's certified dietary supplements listing.
What kinds of ingredient do products printing the NSF certified (contents or GMP) list?
The share of products printing the NSF certified (contents or GMP) listing at least one ingredient of each kind (how kinds are counted):
NSF certified (contents or GMP): share listing each kind of ingredient
1,351 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 (contents or GMP) contain?
Vitamin C is the single ingredient they list most (32% of them), then calcium (27%) and vitamin B6 (26%). 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 |
|---|---|---|---|
| Vitamin C | 32% | 90 mg | 100 mg |
| Calcium | 27% | 104 mg | 115 mg |
| Vitamin B6 | 26% | 3.4 mg | 6 mg |
| Vitamin D | 25% | 25 mcg | 15 mcg |
| Vitamin B12 | 23% | 12 mcg | 36 mcg |
| Folate | 23% | 400 mcg | 400 mcg |
| Potassium | 21% | 160 mg | 99 mg |
| Niacin | 21% | 18.4 mg | 20 mg |
| Zinc | 21% | 7.5 mg | 11 mg |
| Vitamin E | 21% | 20 IU | 30 IU |
| Riboflavin | 20% | 1.7 mg | 4 mg |
| Thiamin | 19% | 1.5 mg | 5 mg |
| Vitamin A | 19% | 2,000 IU | 4,000 IU |
| Pantothenic Acid (Vitamin B5) | 19% | 7 mg | 12 mg |
| Magnesium | 19% | 50 mg | 86 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 (contents or GMP) by DSLD product type
Brands with the most: New Chapter (103), Thorne (89), MegaFood (82), Dymatize Nutrition (67), Garden of Life (57), Nutrilite (51), Jarrow Formulas (46), Garden of Life MyKind Organics (44), Garden of Life Dr. Formulated (40), Klean Athlete (37).
Which products are they?
60 of the 1,351: on-market products first, the newest label first. Each ingredient page lists every product that contains it.
- AngiNOX Elite Natural Fruit Punch FlavorXYMOGEN
- Bacillus CoagulansThorne4 labels
- Buffered C PowderThorne7 labels
- C4 Pro Whey Protein Reese's Peanut Butter & ChocolateCellucor
- C4 Whey Protein Vanilla BeanCellucor
- Calcium-Magnesium MalateThorne7 labels
- CreatineThorne9 labels
- Creatine UnflavoredHerbalife Nutrition
- Daily Electrolytes Variety PackThorne
- DHA Omega-3iwi
- DreamStoned Ape
- L-GlutamineThorne4 labels
- Prenatal DHA 650 mgThorne3 labels
- Prepare Tropical MangoHerbalife 244 labels
- Probiotics Kids 5 Billion Strawberry FlavorGarden of Life Dr. Formulated2 labels
- Stress Relief ProbioticNutrilite
- TheanineThorne4 labels
- XymoBolX Natural Lemon FlavorXYMOGEN3 labels
- Zinc Bisglycinate 15 mgThorne3 labels
- Zinc Bisglycinate 30 mgThorne3 labels
- A.m.Thorne12 labels
- Alpha-Lipoic AcidThorne4 labels
- Amino Complex Berry FlavoredThorne11 labels
- Amino Complex Lemon FlavoredThorne11 labels
- Ascorbic AcidThorne7 labels
- Berberine 200 mgThorne
- Betaine HCL & PepsinThorne11 labels
- Boswellia PhytosomeThorne3 labels
- Brain FactorsThorne4 labels
- Chewable Acid Soothe Berry FlavorEnzymedica3 labels
- Copper BisglycinateThorne3 labels
- Curcumin Phytosome 500 mgThorne2 labels
- Double XNutrilite8 labels
- EnteroMend Orange Vanilla FlavoredThorne7 labels
- GI ReliefThorne3 labels
- GlycineThorne4 labels
- Green Tea PhytosomeThorne4 labels
- Infinite AbsorptionInfinite Age
- L-ArginineThorne2 labels
- L-Arginine PlusThorne2 labels
- Liver CleanseThorne7 labels
- Lypo GoldEnzymedica8 labels
- Men's Daily MultivitaminNutrilite2 labels
- Metabolic HealthThorne4 labels
- Multi +Garden of Life Dr. Formulated
- NACThorne3 labels
- NiacinamideThorne3 labels
- Omega Superb Lemon Berry FlavoredThorne5 labels
- P.m.Thorne12 labels
- ParaXCymbiotika
- PhosphatidylserineThorne3 labels
- Potassium CitrateThorne4 labels
- Quercetin PhytosomeThorne5 labels
- Rebuild Strength Vanilla Ice CreamHerbalife 243 labels
- RhodiolaThorne3 labels
- Sacro-BThorne8 labels
- Selenium 200 mcgThorne3 labels
- Stress B-ComplexThorne6 labels
- SynaQuellThorne4 labels
- ThyrocsinThorne5 labels
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.