Ionic Selenium 300 mcg
Ionic Selenium 300 mcg is a mineral supplement with a high label transparency of 100% and a total of 4 ingredients. This product provides 300 mcg of Selenium per serving, which is considered to be at a clinically studied dose, potentially supporting antioxidant functions and thyroid health. However, it received an N+ Score of 42, resulting in an 'F' grade, indicating a below-average quality assessment. Other ingredients like Magnesium (20mg) and Chloride (75mg) are present but are deemed underdosed. This product may be beneficial for individuals specifically looking to supplement selenium at a clinical dosage, but its overall low N+ Score suggests potential limitations in other areas of its formulation.
About This Product
Ionic Selenium 300 mcg by Trace Minerals Research is a vitamins & minerals supplement containing 4 active ingredients. It has earned an N+ Score of 42/100 (Grade F).
Notable clinical-dose ingredients include Selenium.
N+ Score Breakdown
Are key ingredients present at clinically effective doses based on research?
Does the product include all expected ingredients for its supplement category?
Are individual ingredient amounts clearly disclosed without proprietary blends?
Does the formula include a breadth of beneficial compounds from multiple pathways?
Strengths
- +Fully transparent label with individual ingredient amounts disclosed
- +1 ingredient(s) at clinical dose levels
Weaknesses
- −Several ingredients below clinically effective doses
- −Missing several expected ingredients for its category
Ingredient Analysis (4 ingredients)
| Ingredient | Amount | Dose Adequacy |
|---|---|---|
| Magnesium | 20.000 mg | Under |
| Selenium | 300.000 mcg | Optimal |
| Chloride | 75.000 mg | Under |
| Sulfate | 5.000 mg | N/A |
Clinical ranges based on NIH ODS Fact Sheets and peer-reviewed research. Status indicates whether the amount meets evidence-based thresholds.





