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Selenium

product on market Tablet or Pill Higher Nature Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Selenium is an essential trace mineral that supports thyroid function and antioxidant defenses by acting as a cofactor for glutathione peroxidase. There is strong evidence for its role in maintaining cellular health and immune system regulation. Current research indicates it is safe for most individuals when taken within recommended daily limits.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Selenium
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Mineral
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

200 mcg (364% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)

Other Ingredients

natural Lithothamnion calcarea Selenomethionine Silicon Dioxide Magnesium Stearate Zein Protein
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Adults take 1 tablet a day (children 8 and over 1 every other day) with a meal. Do not exceed recommended daily intake. A daily multivitamin is also recommended.

Warnings & Precautions

Storage: Store in a cool, dry place out of reach of children.

Do not exceed recommended daily intake. Food supplements should not be used as a substitute for a varied and balanced diet and healthy lifestyle.

Formulation Notes

Free From: Artificial colours, flavourings or preservatives, dairy products, gluten, lactose, soya, sugar, wheat, yeast.

Advanced formula Optimal benefit Oxidative protection

Vegetarian and vegan

Selenium contributes to maintenance of normal hair and nails Selenium contributes to normal thyroid function Selenium contributes to the protection of cells from oxidative stress

Additional Information

NRV = Nutrient Reference Value

Storage: Store in a cool, dry place out of reach of children.

This product has not been tested on animals.

Everyday essentials

Metadata

Product Details

UPC / SKU5 031013 101137
DSLD Entry Date2020-06-24
Product TypeMineral
FormTablet or Pill
DSLD ID228526
Data Updated2026-04-11
Research

Research Evidence

273
Research Sources
55
Avg Quality
131
Meta Analysis
61
Systematic Review
55
Rct
19
Clinical Trial
2
Regulatory Source
1
Cochrane Review
1
Other
1
Observational
1
Openfda Safety
A Selenium for preventing cancer
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Selenium supplementation for the primary prevention of cardiovascular disease
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Selenium supplementation for critically ill adults
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin E and the risk of prostate cancer: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)
Rct JAMA 2011 PubMed DOI
B Selenium and prostate cancer: systematic review and meta-analysis
Meta Analysis The American journal of clinical nutrition 2012 PubMed DOI
B Selenium supplementation for Hashimoto's thyroiditis
Systematic Review The Cochrane database of systematic reviews 2013 PubMed DOI
B Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Selenium, antioxidants, cardiovascular disease, and all-cause mortality: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis The American journal of clinical nutrition 2020 PubMed DOI
B The effect of selenium supplementation on coronary heart disease: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) 2017 PubMed DOI
B Meta-analysis of selenium effects on the meat quality of broilers
Meta Analysis Poultry science 2024 PubMed DOI
View all evidence for Selenium →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.