Selenium 200 mcg

Selenium 200 mcg

ZHOU4.7 (120 ratings)
Format:Capsule Quantity: 100 Capsule(s) · 100 servings
Goals
$16.29 $0.16 per serving
VitacostLowest$16.29iHerb$16.29Pure Formulas$16.29

Product analysis

74 out of 100

Selenium 200 mcg offers an affordable, focused source of a nutrient needed for normal immune and antioxidant functions. Its practical value is clearest when intake is low.

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

Nutrient Quality50

Selenium is identified as selenomethionine. The form is clear, without a special functional advantage established here.

Ingredient Transparency100

The selenium amount and form are stated. That makes the serving straightforward to understand and compare.

Value For Money80

The cost is reasonably affordable for the selenium provided. The simple formula keeps the purchase focused on that nutrient.

Customer Satisfaction72

Customer ratings are very positive. A modest number of ratings provides a limited view of satisfaction.

Product Focus84

The formula has a clear nutritional focus on immune and antioxidant functions. The serving exceeds the adult intake reference, without establishing extra benefit when selenium intake is adequate.

Format
Capsule
Container
100 Capsule(s)
Per serving
$0.16
Customer rating
4.7 · 120 ratings
Report analysis

Goals

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

Ingredients

IngredientAmount per servingScore
Selenium (Selenomethionine)
 200 mcg 77
Adults 18–50
Report overview
Selenium (Selenomethionine) · 200 mcg OverallScore77
D+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value
Each serving supplies 200 mcg of selenium and is inexpensive for the amount supplied. It uses Selenomethionine.
How this ingredient is rated

Active Ingredient Quality & Bioavailability53

The selenium comes from Selenomethionine.
Selenium Chemical Form
The selenium comes from Selenomethionine.
Form Transparency & Isomer Specificity
The label names selenomethionine but does not specify its isomer.

Dose, Safety & Label Transparency100

The serving provides 200 mcg of selenium. The serving is below the adult upper limit, leaving room for selenium from food and other sources.
Dosage Efficacy Sweet Spot
The serving provides 200 mcg of selenium.
Safety Margin & UL Adherence
The serving is below the adult upper limit, leaving room for selenium from food and other sources.

Value80

The cost is inexpensive for the selenium supplied.
Price per 200 mcg Serving
The cost is inexpensive for the selenium supplied.
View ingredientView products
87 Performance

Selenium 200 mcg

Nature's Way

Its label clearly provides 200 mcg of Selenium as L-Selenomethionine, making it a more clearly defined selenium option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.

87 Performance

Selenium 200 mcg

California Gold Nutrition

Its label clearly provides 200 mcg of Selenium as L-Selenomethionine, making it a more clearly defined selenium option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.

87 Performance

Selenium 200 mcg

NOW

Its label clearly provides 200 mcg of Selenium as L-Selenomethionine, making it a more clearly defined selenium option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.

87 Budget

Se-Methyl L-Selenocysteine 200 mcg

Life Extension

Its label clearly provides 200 mcg of Selenium as Se-Methyl L-Selenocysteine, preserving relevant selenium coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.

86 Budget

Selenium 200 mcg

Solgar

Its label clearly provides 200 mcg of Selenium as L-Selenomethionine, preserving relevant selenium coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.

86 Budget

SeMSC Selenium 200 mcg

Swanson

Its label clearly provides 200 mcg of Selenium as L-Se-Methylselenocysteine, preserving relevant selenium coverage. Compared with the original, it lowers the serving cost, although the input does not provide independent testing or absorption evidence.

87 Value

Selenium 200 mcg

Source Naturals

Its label clearly provides 37 mg of Calcium as Dibasic Calcium Phosphate, keeping the formula relevant to selenium. Compared with the original, the lower serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.

87 Value

Selenium 200 mcg

NOW

Its label clearly provides 200 mcg of Selenium as L-Selenomethionine, keeping the formula relevant to selenium. Compared with the original, the lower serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.

86 Value

Selenium 200 mcg

Solgar

Its label clearly provides 200 mcg of Selenium as L-Selenomethionine, keeping the formula relevant to selenium. Compared with the original, the lower serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.

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