$12.79 $0.04 per serving
Product analysis
Selenium 100 mcg offers an economical way to fill low selenium intake and support normal immune function and antioxidant defenses.
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 Money100
The cost is low for the selenium provided. Its usefulness still depends on whether extra selenium is needed.
Customer Satisfaction91
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. Additional benefits remain uncertain when intake is already adequate.
- Format
Capsule - Container
- 300 Capsule(s)
- Per serving
- $0.04
- Also available
Selenium 100 mcg$11.09- Customer rating
- 4.8 · 4,674 ratings
Goals
Impact
Highest effect
Selenium · 100 mcg
Selenium contributes to normal nutrient availability and antioxidant enzyme function when dietary intake is low. Its declared amount receives full credit in the saved comparison, but most U.S. adults already obtain enough selenium. Additional benefit with adequate intake is not established, and the selenomethionine form does not establish superior general-health outcomes.
How this product is rated for Everyday Health
Ingredient fit97
Selenium is the sole credited ingredient with a disclosed amount.
Goal fit
Selenium is the sole credited ingredient with a disclosed amount.
Dose adequacy
Selenium reaches the upper amount range; larger quantities do not establish additional health benefit.
Pathways60
The strongest assigned coverage concerns antioxidant and immune nutrient roles.
Depth
The strongest assigned coverage concerns antioxidant and immune nutrient roles. This biological coverage does not establish better health outcomes.
Breadth
Only antioxidant and immune nutrient roles reaches the coverage threshold.
Evidence82
Selenium receives the strongest assigned evidence weight for a conditional nutritional contribution, without establishing benefit above adequate intake.
Evidence strength
Selenium receives the strongest assigned evidence weight for a conditional nutritional contribution, without establishing benefit above adequate intake.
Studied preparation
The credited preparations are recognized in the saved findings; no chemical form or delivery method receives an added benefit claim.
Formulation logic100
Credited ingredients have no missing required partner, and no configured ingredient conflict was identified.
Partner coverage
Every credited ingredient works independently or has its required nutritional partner.
Conflicts
No configured ingredient conflict was identified.
Effective doses
Every credited ingredient meets the comparison's amount threshold; this is not a proven health-outcome dose.
Impact
Highest effect
Selenium · 100 mcg
Selenium supports normal immune function and the body's handling of oxidative stress. Its contribution is most relevant when intake is low; supplementation does not reliably improve selenium-dependent measures when status is already adequate. This serving supplies the declared nutrient in a known form, without evidence that the form itself adds immune benefit.
How this product is rated for Immunity
Ingredient fit97
Selenium is the single relevant active, with a clearly declared amount that meets the saved amount comparison.
Goal fit
The formula is concentrated on selenium rather than a mixture of unrelated actives.
Dose adequacy
The declared selenium amount meets the saved comparison; more does not establish greater immune benefit.
Pathways53
The strongest contribution is to oxidative balance, with a smaller link to immune regulation.
Depth
Selenium's main contribution is to oxidative and inflammatory balance.
Breadth
The support is concentrated in oxidative balance rather than spread broadly across immune functions.
Evidence85
Selenium has an established normal nutrient role; the supplied context limits expectations of additional benefit when intake is adequate.
Evidence strength
The evidence supports normal selenium-dependent immune function, with limited support for additional benefit in adequately nourished adults.
Studied preparation
The declared selenium form is accepted in the saved findings; no form superiority is established.
Formulation logic100
The recognized contributions do not require an extra partner, and the checked zinc conflicts do not apply.
Partner coverage
The recognized ingredients work without a required additional partner in the saved findings.
Conflicts
Neither checked zinc conflict is triggered by the supplied ingredient amounts and presence findings.
Effective doses
All ingredients recognized in this finding have meaningful amounts under the saved comparison; this is not proof of a clinical effective dose.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Selenium (Selenium SeLECT L-Selenomethionine) | 100 mcg |
Selenium (Selenium SeLECT L-Selenomethionine) · 100 mcg OverallScore95
Each serving provides 100 mcg of selenium as L-Selenomethionine. The whole-product price works out to roughly $0.09 per 200 mcg of selenium.
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
The selenium is identified as L-Selenomethionine, with the specific L-form stated.
Selenium Chemical Form
L-Selenomethionine is a named organic selenium form.
Form Transparency & Isomer Specificity
The saved facts identify the specific L-form as L-Selenomethionine.
Dose, Safety & Label Transparency88
A serving contains 100 mcg of selenium.
Dosage Efficacy Sweet Spot
A serving supplies 100 mcg of selenium.
Safety Margin & UL Adherence
The recorded serving amount does not exceed the limit used in the evaluation.
Value100
The whole-product price works out to roughly $0.09 per 200 mcg of selenium.
Price per 200 mcg Serving
The whole-product price works out to roughly $0.09 per 200 mcg of selenium.
Alternative products
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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.