Selenium Solution

Selenium Solution

NutriCology4.7 (992 ratings)
Format:Liquid Quantity: 236 Liquid(s) · 94 servings
Goals
$15.39 $0.16 per serving
VitacostLowest$15.39iHerb$16.19Pure Formulas$16.19

Product analysis

63 out of 100

Selenium Solution can help fill a dietary selenium gap and support normal immune function and antioxidant defenses in a liquid format.

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

Nutrient Quality20

The sodium selenite form is a less favorable choice for ingredient quality. The liquid format alone does not establish better absorption or health outcomes.

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 Money60

The cost for the selenium provided is moderate. It offers reasonable value, though its usefulness depends on whether extra selenium is needed.

Customer Satisfaction81

Customer ratings are very positive. A substantial number of ratings provides a useful picture of satisfaction, without proving health benefits.

Product Focus84

The formula has a clear focus on selenium nutrition for immune function and antioxidant defenses. Benefits are clearest when intake is low, while extra benefit with adequate intake remains uncertain.

Format
Liquid
Container
236 Liquid(s)
Per serving
$0.16
Customer rating
4.7 · 992 ratings
Report analysis

Goals

Immunity
Immunity
Impact
Highest effect
A+ Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Selenium · 100 mcg
Study evidence
Selenium Mixed 37 studies
Everyday Health
Everyday Health
Impact
Highest effect
A+ Ingredient FitC PathwaysB+ EvidenceA+ Formulation Logic
Selenium · 100 mcg
Study evidence
Selenium Supportive 70 studies

Ingredients

IngredientAmount per servingScore
Selenium (Sodium Selenite)
 100 mcg 60
Adults 18–50
Report overview
Selenium (Sodium Selenite) · 100 mcg OverallScore60
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyC Value
Each serving provides 100 mcg of selenium, an amount generally used for daily maintenance, at a moderate cost per 200 mcg. Sodium Selenite is an inorganic form with lower cellular retention than organic forms.
How this ingredient is rated

Active Ingredient Quality & Bioavailability32

Sodium Selenite is an inorganic form with lower cellular retention than organic forms.
Selenium Chemical Form
Sodium Selenite is an inorganic form with lower cellular retention than organic forms.
Form Transparency & Isomer Specificity
The label identifies the selenium form as Sodium Selenite.

Dose, Safety & Label Transparency88

A serving provides 100 mcg, an amount generally used for daily maintenance. It remains below the 400 mcg upper limit before food sources are included.
Dosage Efficacy Sweet Spot
The 100 mcg per serving is an amount generally used for daily maintenance.
Safety Margin & UL Adherence
At 100 mcg per serving, it is below the 400 mcg upper limit, leaving room for selenium from food.

Value60

The full product price translates to a moderate cost per 200 mcg of selenium.
Price per 200 mcg Serving
The cost per 200 mcg of selenium is moderate, based on the full product price.
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