Selenium 100 mcg

Selenium 100 mcg

Source Naturals4.8 (414 ratings)
Format:Tablet Quantity: 250 Tablet(s) · 250 servings
Goals
$12.59 $0.05 per serving

Product analysis

87 out of 100

Selenium 100 mcg is a focused way to fill low selenium intake and support normal immune function and antioxidant enzymes.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality90

Selenium is supplied in a favorable yeast form. That supports a positive judgment about the ingredient form, without implying extra benefit when selenium needs are already met.

Ingredient Transparency100

The selenium amount and yeast form are clearly disclosed. That makes the serving easier to compare with other selenium supplements.

Value For Money80

The cost is reasonable for the amount of selenium supplied.

Customer Satisfaction78

Customer ratings are very favorable. The review count provides a moderate base of customer feedback, without establishing health benefits.

Product Focus84

The single ingredient keeps the formula focused on selenium nutrition. Its main role is filling low intake, since additional selenium does not reliably add benefit once needs are met.

Format
Tablet
Container
250 Tablet(s)
Per serving
$0.05
Customer rating
4.8 · 414 ratings
Report analysis

Goals

Everyday Health
Impact
Highest effect
A+ Ingredient FitC PathwaysB+ EvidenceA+ Formulation Logic
Selenium · 100 mcg

Selenium supports antioxidant enzyme function and can help fill a dietary gap. Most U.S. adults already obtain enough, and this normal nutrient role does not establish extra health protection in people with adequate intake.

How this product is rated for Everyday Health

Ingredient fit97

The relevant ingredients are focused on this goal, although the product is linked to other uses. The ingredients counted in this finding provide substantial amounts under the saved comparison; larger amounts do not imply extra benefit.
Goal fit
The relevant ingredients are focused on this goal, although the product is linked to other uses.
Dose adequacy
The ingredients counted in this finding provide substantial amounts under the saved comparison; larger amounts do not imply extra benefit.

Pathways60

The strongest saved area is antioxidant and immune defence. Other areas are included only where the supplied amounts and findings support them.
Depth
The strongest saved contribution concerns antioxidant and immune defence, with usefulness bounded by the relevant ingredient evidence.
Breadth
The saved findings cover antioxidant and immune defence; this describes nutritional reach, not proven health improvements.

Evidence82

Selenium leads the saved evidence finding. Nutrient availability can help low intake, but does not prove additional outcomes above adequacy.
Evidence strength
Selenium provides the strongest supported contribution here, with benefits limited to the populations and nutritional roles described.
Studied preparation
The saved finding accepts the counted preparations as studied; that does not establish superiority or benefits beyond the supported use.

Formulation logic100

The counted ingredients can contribute alone or have the partner required by the saved finding; no extra combination benefit is established. No configured conflict was matched.
Partner coverage
The counted ingredients can contribute alone or have the partner required by the saved finding; no extra combination benefit is established.
Conflicts
No configured ingredient conflict was matched in the supplied facts; this is a limited interaction check.
Effective doses
All ingredients counted in this finding meet its amount threshold; this is not proof of a clinically effective dose.
Study evidence
Selenium Supportive 70 studies
Immunity
Impact
Highest effect
A+ Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Selenium · 100 mcg

Selenium provides a nutrient needed for normal immune function and antioxidant-related processes. The 100 mcg serving exceeds the ordinary adult intake reference, with its practical value mainly in filling low intake. Additional supplementation does not reliably improve selenium-dependent function when status is already adequate or establish respiratory-infection prevention.

How this product is rated for Immunity

Ingredient fit97

Selenium provide the focused contribution to immunity here. The counted amounts meet the saved comparisons, without establishing extra benefit above nutritional or trial-reference amounts.
Goal fit
Selenium provide the focused contribution to immunity here.
Dose adequacy
The counted amounts meet the saved comparisons, without establishing extra benefit above nutritional or trial-reference amounts.

Pathways53

The strongest contribution concerns oxidative and inflammatory balance, based on the relevant ingredients and their amounts. The main contribution is concentrated in one immune-related area.
Depth
The strongest contribution concerns oxidative and inflammatory balance, based on the relevant ingredients and their amounts.
Breadth
The main contribution is concentrated in one immune-related area.

Evidence85

Selenium leads the evidence finding, supporting normal nutrient function rather than extra infection protection in adequately nourished adults.
Evidence strength
Selenium leads the evidence finding, supporting normal nutrient function rather than extra infection protection in adequately nourished adults.
Studied preparation
The counted preparations meet the supplied preparation comparison, without establishing superior effects from their forms or delivery methods.

Formulation logic100

The counted ingredients can contribute independently or have the partners required by the supplied findings. No configured ingredient conflict was identified from the supplied facts.
Partner coverage
The counted ingredients can contribute independently or have the partners required by the supplied findings.
Conflicts
No configured ingredient conflict was identified from the supplied facts.
Effective doses
The counted ingredients all meet the minimum amount comparison; this does not establish infection-prevention or treatment doses.
Study evidence
Selenium Mixed 37 studies

Ingredients

IngredientAmount per servingScore
Selenium (Selenium Yeast)
100 mcg 84
Gluten Free Adults 18–50 Dairy Free Vegetarian
Report overview
B+ Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Associations of selenium status with all-cause and cause-specific mortality: a systematic review and meta-analysis of cohort studies.
    Cui Z; Xie R; Lu X; Schomburg L; Brenner H; Schöttker B · Redox biology · 2025
    Meta-analysis95 participants20 studies pooledEveryday Health forSelenium
  2. 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.
    Jayedi A; Rashidy-Pour A; Parohan M; Zargar MS; Shab-Bidar S · Advances in nutrition (Bethesda, Md.) · 2019
    Meta-analysis507,251 participants41 studies pooledEveryday Health forSelenium
  3. 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.
    Sharabati I; Qafesha RM; Hindawi MD; Amro S; Ayesh BM · Clinical endocrinology · 2024
    Meta-analysis4 studies pooledEveryday Health forSelenium
  4. Associations of plasma metal concentrations with the risks of all-cause and cardiovascular disease mortality in Chinese adults.
    Shi L; Yuan Y; Xiao Y; Long P; Li W; Yu Y; Liu Y; Liu K; Wang H; Zhou L; Yang H; Li X; He M; Wu T · Environment international · 2021
    Cohort study6,155 participantsEveryday Health forSelenium
  5. Updates on clinical studies of selenium supplementation in radiotherapy.
    Puspitasari IM; Abdulah R; Yamazaki C; Kameo S; Nakano T; Koyama H · Radiation oncology (London, England) · 2015
    Systematic review16 studies pooledEveryday Health forSelenium
  6. Effects of selenium supplementation on selenoprotein gene expression and response to influenza vaccine challenge: a randomised controlled trial.
    Goldson AJ; Fairweather-Tait SJ; Armah CN; Bao Y; Broadley MR; Dainty JR; Furniss C; Hart DJ; Teucher B; Hurst R · PloS one · 2011
    Randomized trial119 participantsImmunity forSelenium
  7. Effect of selenium on immune response against hepatitis B vaccine with accelerated method in insulin-dependent diabetes mellitus patients.
    Janbakhsh A; Mansouri F; Vaziri S; Sayad B; Afsharian M; Rahimi M; Shahebrahimi K; Salari F · Caspian journal of internal medicine · 2013
    Randomized trial62 participantsImmunity forSelenium
  8. Chemoprevention trial of human hepatitis with selenium supplementation in China.
    Yu SY; Li WG; Zhu YJ; Yu WP; Hou C · Biological trace element research · 1990
    Non-randomized trial20,847 participantsImmunity forSelenium
  9. Selenium nanoparticles as adjunctive therapy in sepsis: A pilot randomized clinical trial.
    Gu WJ; Huang W; Zhao FZ; Yuan XK; Jin K; Chen JL; Zhang CY; Huang Y; He L; Zhuang H; Yin HY; Chen T · Drug resistance updates : reviews and commentaries in antimicrobial and anticancer chemotherapy · 2026
    Randomized trial70 participantsImmunity forSelenium
  10. Selenium supplementation in patients with autoimmune thyroiditis decreases thyroid peroxidase antibodies concentrations.
    Gärtner R; Gasnier BC; Dietrich JW; Krebs B; Angstwurm MW · The Journal of clinical endocrinology and metabolism · 2002
    Randomized trial70 participantsImmunity forSelenium