SeMSC Selenium 200 mcg

SeMSC Selenium 200 mcg

Swanson4.8 (3,351 ratings)
Format:Capsule Quantity: 120 Capsule(s) · 120 servings
Goals
$8.49 $0.07 per serving

Product analysis

96 out of 100

SeMSC Selenium 200 mcg offers a favorably priced, well-identified selenium form for filling a dietary gap and supporting normal enzyme and immune functions.

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

Nutrient Quality100

The selenium form is clearly identified and favorable in the form comparison. That supports ingredient selection without establishing extra benefit when selenium intake is adequate.

Ingredient Transparency100

Amounts and forms are clearly identified. That makes the serving and ingredient choices easier to compare.

Value For Money100

The declared active content is favorably priced in the comparison. That supports value when the ingredient matches your needs.

Customer Satisfaction89

Customer ratings are favorable, with a substantial review pool. Reviews describe satisfaction without establishing effectiveness or safety.

Product Focus84

The focused formula supplies selenium for normal enzyme and immune functions. Its usefulness is greatest when intake is low, since extra selenium does not establish added protection.

Format
Capsule
Container
120 Capsule(s)
Per serving
$0.07
Customer rating
4.8 · 3,351 ratings
Report analysis

Goals

Everyday Health
Impact
Highest effect
A+ Ingredient FitC PathwaysB+ EvidenceA+ Formulation Logic
Selenium · 200 mcg

Selenium supplies an essential nutrient used in normal enzyme functions. It may help fill a dietary gap, although most adults in the supplied context already obtain adequate selenium. The 200 mcg serving reaches the saved range; this does not establish extra antioxidant protection, disease prevention or greater benefit when selenium intake is already sufficient.

How this product is rated for Everyday Health

Ingredient fit97

Selenium is the sole ingredient considered for this goal.
Goal fit
Selenium is the sole ingredient considered for this goal.
Dose adequacy
The declared selenium amount reaches the saved range, without establishing added benefit above nutritional adequacy.

Pathways60

The saved finding is concentrated in antioxidant and immune-related nutrient functions.
Depth
The saved finding is concentrated in antioxidant and immune-related nutrient functions.
Breadth
Antioxidant and immune-related functions are the only substantially represented route.

Evidence82

Selenium leads the saved evidence finding. Declared selenium receives the saved preparation finding without a chemical-form superiority claim.
Evidence strength
Selenium leads the saved evidence finding; practical benefit remains conditional on nutritional availability and dietary gaps.
Studied preparation
Declared selenium receives the saved preparation finding without a chemical-form superiority claim.

Formulation logic100

Selenium meets the saved amount threshold. No configured conflict was identified.
Partner coverage
Every credited ingredient works alone or has its required partner in the saved findings.
Conflicts
No configured ingredient conflict was identified in the saved findings.
Effective doses
Selenium meets the saved amount threshold.
Study evidence
Selenium Supportive 70 studies
Immunity
Impact
Highest effect
A+ Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Selenium · 200 mcg

Selenium contributes to normal immune function and selenium-dependent antioxidant processes when intake is low. The selected serving supplies a substantial nutrient amount. This does not establish respiratory-infection prevention or improved immune function when selenium intake is already adequate.

How this product is rated for Immunity

Ingredient fit97

Selenium is a principal relevant ingredient. Its amount reaches the supplied comparison endpoint.
Goal fit
The relevant ingredients keep the formula focused on this goal, although it is linked to several health uses.
Dose adequacy
The relevant declared amounts reach the supplied comparison endpoints; higher amounts do not establish greater benefit.

Pathways53

The strongest represented area is oxidative and inflammatory balance, with partial coverage. One area reaches substantial coverage, leaving the contribution concentrated in a few aspects.
Depth
The strongest represented area is oxidative and inflammatory balance, with partial coverage.
Breadth
One area reaches substantial coverage, leaving the contribution concentrated in a few aspects.

Evidence85

Selenium anchors the saved evidence findings. The clinical expectation remains limited to supported nutrient functions or bounded regular-use findings.
Evidence strength
Selenium provides the strongest contribution in the saved findings; this does not establish infection prevention or benefits above adequate nutritional intake.
Studied preparation
The relevant ingredients meet the supplied preparation criteria, without establishing superiority of individual forms.

Formulation logic100

The relevant ingredients have no unmet partner requirement or triggered conflict. Their amounts meet the supplied minimum comparison level.
Partner coverage
The relevant ingredients can contribute independently or have their required partner present; no added combination benefit is established.
Conflicts
None of the evaluated ingredient conflicts was triggered.
Effective doses
The relevant amounts meet the supplied minimum comparison level; this is not a guaranteed clinical response threshold.
Study evidence
Selenium Mixed 37 studies

Ingredients

IngredientAmount per servingScore
Selenium (L-Se-Methylselenocysteine)
200 mcg 100
Adults 18–50
Report overview
A+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ 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