English version in progress: interface and data are in English; some explanatory text is still in Chinese.
Best Selenium products by transparent scoring (2026)
Single-ingredient products scored by public rules: dose fit, label transparency, data verification, company transparency, third-party testing. Not a measure of efficacy or safety. No paid placement.
Products ranked: 156 · Reference range: 55 – 400 mcg (source) · Updated 2026-10-30
Dose fit 40 · Label transparency 20 · Data verification 15 · Company transparency 15 · Third-party test 10 — Methodology · Selenium →
| Rank | Product | Per day | Score | Breakdown | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | SelenoExcell Selenium 200 mcg Swanson · US NIH DSLD |
200 mcg | 90.0 | Breakdown
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| 2 tie |
Selenium 100 mcg Swanson · US NIH DSLD |
200 mcg | 88.0 | Breakdown
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| 2 tie |
Selenium 200 GNC · US NIH DSLD |
200 mcg | 88.0 | Breakdown
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| 2 tie |
Selenium 200 mcg GNC · US NIH DSLD |
200 mcg | 88.0 | Breakdown
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| 2 tie |
Selenium 200 mcg Nature's Bounty · US NIH DSLD |
200 mcg | 88.0 | Breakdown
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| 2 tie |
Selenium 200 mcg CVS Pharmacy · US NIH DSLD |
200 mcg | 88.0 | Breakdown
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| 2 tie |
Selenium 200 mcg Vitamin World · US NIH DSLD |
200 mcg | 88.0 | Breakdown
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| 8 | Selenium 200 mcg Solaray · US NIH DSLD |
200 mcg | 87.0 | Breakdown
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| 9 | Selenium MegaFood · US NIH DSLD below_ref |
50 mcg | 86.4 | Breakdown
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| 10 tie |
Dry-E & Selenium Bluebonnet · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 10 tie |
Selenium (Selenomethionine) Pure Encapsulations · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 10 tie |
Selenium + E Genestra Brands · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 10 tie |
Selenium 200 mcg Carlson · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 10 tie |
Selenium 200 mcg 21st Century · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 10 tie |
Selenium CWS Genestra Brands · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 10 tie |
Selenium Glycinate Bluebonnet · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 10 tie |
Selenium Solution Allergy Research Group · US NIH DSLD |
300 mcg | 85.0 | Breakdown
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| 10 tie |
Selenium Synergy Jarrow Formulas · US NIH DSLD |
200 mcg | 85.0 | Breakdown
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| 19 tie |
Absorbable Selenium 200 mcg Vita Health Products Inc. · Health Canada LNHPD |
200 mcg | 84.0 | Breakdown
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| 19 tie |
GNC SELENIUM 100MCG TABLET GNC · Malaysia NPRA |
100 mcg | 84.0 | Breakdown
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| 19 tie |
Now CoQ10 50 mg with Selenium and Vitamin E NOW Health Group, Inc. · Health Canada LNHPD |
70 mcg | 84.0 | Breakdown
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| 19 tie |
Now Selenium 100 mcg Yeast Free NOW Health Group, Inc. · Health Canada LNHPD |
100 mcg | 84.0 | Breakdown
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| 19 tie |
Now Selenium 200 mcg Vcap NOW Health Group, Inc. · Health Canada LNHPD |
200 mcg | 84.0 | Breakdown
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| 19 tie |
Selenium 200 mcg GFR Pharma Ltd. · Health Canada LNHPD |
200 mcg | 84.0 | Breakdown
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| 25 tie |
High Selenium Yeast Selenium 100 mcg Sundown Naturals · US NIH DSLD |
100 mcg | 83.0 | Breakdown
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| 25 tie |
Selenium 100 mcg Country Life · US NIH DSLD |
100 mcg | 83.0 | Breakdown
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| 25 tie |
Selenium 100 mcg Bluebonnet · US NIH DSLD |
100 mcg | 83.0 | Breakdown
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| 25 tie |
Selenium 200 mcg Bluebonnet · US NIH DSLD |
200 mcg | 83.0 | Breakdown
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| 25 tie |
Selenium 200 mcg Nature's Way · US NIH DSLD |
200 mcg | 83.0 | Breakdown
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| 25 tie |
Selenium 200 mcg Solgar · US NIH DSLD |
200 mcg | 83.0 | Breakdown
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| 25 tie |
Selenium 200 mcg Sundown Naturals · US NIH DSLD |
200 mcg | 83.0 | Breakdown
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| 25 tie |
Selenium 200 mcg Country Life · US NIH DSLD |
200 mcg | 83.0 | Breakdown
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| 25 tie |
Selenomethionine Thorne Research · US NIH DSLD |
200 mcg | 83.0 | Breakdown
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| 34 | E-400 Selenium Metagenics Inc. · Health Canada LNHPD below_ref |
50 mcg | 80.4 | Breakdown
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| 35 tie |
SELENIUM PLUS Douglas Laboratories Canada · Health Canada LNHPD |
200 mcg | 79.0 | Breakdown
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| 35 tie |
Selenium Citrate Thorne Research, Inc. · Health Canada LNHPD |
200 mcg | 79.0 | Breakdown
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| 37 | 21ST CENTURY SELENIUM `N` ACE TABLET 21st Century · Malaysia NPRA |
100 mcg | 76.2 | Breakdown
|
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| 38 | A-C-E + Selenium Thorne Research, Inc. · Health Canada LNHPD below_ref |
50 mcg | 75.4 | Breakdown
|
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| 39 tie |
Aqueous Selenium Biotics Research Corporation · US NIH DSLD |
95 mcg | 75.0 | Breakdown
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| 39 tie |
E & Selenium Innate Response Formulas · US NIH DSLD |
100 mcg | 75.0 | Breakdown
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| 39 tie |
High Potency Selenium 200 mcg Nature's Truth · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Ionic Selenium AM Angstrom Minerals · US NIH DSLD |
100 mcg | 75.0 | Breakdown
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| 39 tie |
Kelp with Natural Selenium and Iodine Ecological Formulas · US NIH DSLD |
150 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Higher Nature · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Mineralife · US NIH DSLD |
400 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Triquetra · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium BRI Nutrition · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Superior Source · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Natures Craft · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Ubervita · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Global Healing Center · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium BioCare · US NIH DSLD |
100 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 100 mcg New Sun · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 100 mcg Biovia · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 100 mcg Village Vitality · US NIH DSLD |
100 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 100 mcg VitaCeutical Labs · US NIH DSLD |
100 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 Moss Nutrition · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg Nutricost · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg Source Naturals · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg Nested Naturals · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg Douglas Cooper Co. · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg NutraBio · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg Seeking Health · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg NuMedica · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg Number One Nutrition · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg Orzax · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 200 mcg LuckyVitamin · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium 2000 mcg NutriONN · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Extra Strength BRI Nutrition · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Forte AB American Biologics · US NIH DSLD |
200 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Max Confidence USA · US NIH DSLD |
300 mcg | 75.0 | Breakdown
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| 39 tie |
Selenium Solution NutriCology · US NIH DSLD |
300 mcg | 75.0 | Breakdown
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| 39 tie |
Super Natural Selenium Vibrant Health · US NIH DSLD |
100 mcg | 75.0 | Breakdown
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| 74 tie |
Selenium Endo-met Laboratories · US NIH DSLD |
100 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium Metabolic Maintenance · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 100 mcg NOW · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 100 mcg Source Naturals · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 100 mcg Meijer Naturals · US NIH DSLD |
100 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg Wonder Laboratories · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg NOW · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg Protocol For Life Balance · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg Physician's Preference · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg Finest Nutrition · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg Sundown Naturalist · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg Highland Laboratories · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg PhysioLogics · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg Good 'N Natural · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 74 tie |
Selenium 200 mcg up&up · US NIH DSLD |
200 mcg | 73.0 | Breakdown
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| 89 tie |
Majestic E 400 IU Plus Selenium Nature's Gifts · US NIH DSLD below_ref |
50 mcg | 71.4 | Breakdown
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| 89 tie |
Selenium 50 mcg Viva Vitamins · US NIH DSLD below_ref |
50 mcg | 71.4 | Breakdown
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| 91 | Selenium DC · US NIH DSLD below_ref |
50 mcg | 69.4 | Breakdown
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| 92 tie |
"WRIGHT" Se Wright Nutrition Inc, · Health Canada LNHPD |
200 mcg | 69.0 | Breakdown
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| 92 tie |
Aku-Sel Akuna Health Products Inc. · Health Canada LNHPD |
60 mcg | 69.0 | Breakdown
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| 92 tie |
Alpha & Beta Selenium Heritage One Trading Inc. · Health Canada LNHPD |
100 mcg | 69.0 | Breakdown
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| 92 tie |
BioHealth Selenium 100 mcg BioHealth Labs Inc. · Health Canada LNHPD |
100 mcg | 69.0 | Breakdown
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| 92 tie |
BioHealth Selenium 200 mcg BioHealth Labs Inc. · Health Canada LNHPD |
200 mcg | 69.0 | Breakdown
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| 92 tie |
BioHealth Selenium 200 mcg Absorbable BioHealth Labs Inc. · Health Canada LNHPD |
200 mcg | 69.0 | Breakdown
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| 92 tie |
E & Selenium (MegaFood) FoodState Incorporated · Health Canada LNHPD |
100 mcg | 69.0 | Breakdown
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| 92 tie |
Good For You Selenium 200 mcg Vcap Good For You Corp. · Health Canada LNHPD |
200 mcg | 69.0 | Breakdown
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| 92 tie |
HERBAL SELECT Selenium 200 mcg Puresource Corp. · Health Canada LNHPD |
200 mcg | 69.0 | Breakdown
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For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.