SelenoExcell 200 mcg

SelenoExcell 200 mcg

Swanson Ultra4.8 (1,629 ratings)
Format:Capsule Quantity: 60 Capsule(s) · 60 servings
Goals
$4.49 $0.07 per serving

Product analysis

92 out of 100

SelenoExcell 200 mcg offers well-described selenium at a low cost for people whose intake is insufficient. Its clearest role is nutritional support for normal immune and antioxidant functions.

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

Nutrient Quality90

Selenium-enriched yeast is a favorable, clearly described source. The source name does not by itself establish extra benefit when selenium intake is adequate.

Ingredient Transparency100

The selenium amount and yeast source are disclosed. That makes the serving easier to compare with total selenium intake.

Value For Money100

The selenium contribution compares favorably for cost. Its single-ingredient focus makes that comparison directly relevant to the purchase.

Customer Satisfaction86

Customer ratings indicate very favorable satisfaction. The sizeable review pool gives a broader picture of buyer opinion.

Product Focus84

The formula stays focused on selenium nutrition. Its clearest uses concern normal immune and antioxidant functions when intake is low.

Format
Capsule
Container
60 Capsule(s)
Per serving
$0.07
Customer rating
4.8 · 1,629 ratings
Report analysis

Goals

Immunity
Impact
Highest effect
A+ Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Selenium · 200 mcg
Study evidence
Selenium Mixed 37 studies
Everyday Health
Impact
Highest effect
A+ Ingredient FitC PathwaysB+ EvidenceA+ Formulation Logic
Selenium · 200 mcg
Study evidence
Selenium Supportive 70 studies

Ingredients

IngredientAmount per servingScore
Selenium (SelenoExcell organically bound high-Selenium Yeast)
200 mcg 97
Adults 18–50
Report overview
A Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
Each serving provides 200 mcg of selenium, the amount commonly used in trials for antioxidant and thyroid support, at a low cost per 200 mcg based on the full product price. It uses SelenoExcell selenium-enriched yeast.
How this ingredient is rated

Active Ingredient Quality & Bioavailability93

It uses SelenoExcell selenium-enriched yeast.
Selenium Chemical Form
Selenium-enriched yeast supplies selenium in a food-form matrix.
Form Transparency & Isomer Specificity
The label names the SelenoExcell ingredient.

Dose, Safety & Label Transparency100

Each serving provides 200 mcg of selenium. That leaves room below the 400 mcg upper limit for selenium from other sources.
Dosage Efficacy Sweet Spot
The 200 mcg serving is the amount commonly used in trials for antioxidant and thyroid support.
Safety Margin & UL Adherence
At 200 mcg per serving, selenium remains below the 400 mcg upper limit, leaving room for dietary sources.

Value100

The full product price is low per 200 mcg of selenium.
Price per 200 mcg Serving
The full product price is low per 200 mcg of selenium.
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