Product analysis
Selenium 200 mcg offers good value for supplying selenium to support normal immune function and the body’s antioxidant defenses. Its practical benefit is clearest when dietary selenium intake is low.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality100
The identified selenium form supports a favorable view of ingredient quality. That does not establish better health outcomes than other forms.
Ingredient Transparency100
Both the selenium amount and form are stated. That makes it easier to compare what each serving provides with other selenium supplements.
Value For Money80
The selenium provided offers good value. A low cost still needs to be considered alongside whether extra selenium is needed.
Customer Satisfaction90
Customer ratings are very positive. Thousands of ratings provide substantial support for the satisfaction picture, without proving health benefits.
Product Focus84
The formula has a clear focus on selenium nutrition for immune function and antioxidant defenses. The serving is substantial, while additional benefits are uncertain for people whose intake is already adequate.
- Format
Tablet - Container
- 100 Tablet(s)
- Per serving
- $0.10
- Also available
Selenium 200 mcg$22.24- Customer rating
- 4.8 · 3,378 ratings
Goals
Selenium supplies a nutrient used in antioxidant enzymes and may help when dietary intake is low. The 200 mcg selected serving is a substantial nutrient amount. Most U.S. adults obtain adequate selenium, and its normal enzyme roles do not establish additional broad health or disease-prevention benefits in people whose intake is sufficient.
How this product is rated for Everyday Health
Ingredient fit97
Goal fit
Dose adequacy
Pathways60
Depth
Breadth
Evidence82
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Selenium supports selenium-dependent processes involved in normal immune function and antioxidant protection. Its nutritional contribution matters most when intake is low; supplementation does not reliably improve selenium-dependent markers when status is already adequate. The supplied information does not establish general respiratory-infection prevention or an advantage for its particular form.
How this product is rated for Immunity
Ingredient fit97
Goal fit
Dose adequacy
Pathways53
Depth
Breadth
Evidence85
Evidence strength
Studied preparation
Formulation logic100
Partner coverage
Conflicts
Effective doses
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Selenium (L-Selenomethionine) | 200 mcg |
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
Selenium Chemical Form
Form Transparency & Isomer Specificity
Dose, Safety & Label Transparency100
Dosage Efficacy Sweet Spot
Safety Margin & UL Adherence
Value80
Price per 200 mcg Serving
Alternative products
Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Associations of selenium status with all-cause and cause-specific mortality: a systematic review and meta-analysis of cohort studies.
- Dietary Antioxidants, Circulating Antioxidant Concentrations, Total Antioxidant Capacity, and Risk of All-Cause Mortality: A Systematic Review and Dose-Response Meta-Analysis of Prospective Observational Studies.
- The efficacy and safety of selenium supplementation versus placebo in the treatment of Graves' orbitopathy: A systematic review and meta-analysis of randomised controlled trials.
- Associations of plasma metal concentrations with the risks of all-cause and cardiovascular disease mortality in Chinese adults.
- Updates on clinical studies of selenium supplementation in radiotherapy.
- Effects of selenium supplementation on selenoprotein gene expression and response to influenza vaccine challenge: a randomised controlled trial.
- Effect of selenium on immune response against hepatitis B vaccine with accelerated method in insulin-dependent diabetes mellitus patients.
- Chemoprevention trial of human hepatitis with selenium supplementation in China.
- Selenium nanoparticles as adjunctive therapy in sepsis: A pilot randomized clinical trial.
- Selenium supplementation in patients with autoimmune thyroiditis decreases thyroid peroxidase antibodies concentrations.