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Selenium

product on market Tablet or Pill MegaFood Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Selenium is a trace mineral that supports thyroid function and antioxidant defenses, with strong evidence for these roles. The accompanying food and herb blend provides minimal additive benefit due to limited evidence coverage. The ingredient profile maintains a high safety rating.

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
60
Servings
Botanical with Nutrients
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

50 mcg (91% DV)
Within RDA (0.9× RDA) 173 studies (A:0, B:67)
Food & Herb Blend
345 mg

Other Ingredients

Microcrystalline Cellulose Rice Protein Brown Rice Autolyzed Yeast Extract Yeast Stearic Acid Silicon Dioxide Hypromellose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Adults take 1 tablet daily with a beverage. May be taken any time of day, even on an empty stomach.

Warnings & Precautions

Keep out of reach of children.

Formulation Notes

Made without milk, eggs, peanuts, tree nuts, soy, wheat, fish, shellfish and sesame. Tested for 125+ Pesticides Herbicides Made without 9 food allergens Glyphosate Residue Free detoxfreeproject.org Gluten free Non GMO Project Verified nongmoproject.org

Certified Vegan Vegan.org

OK (Kosher)

Supports a healthy immune system

Selenium Plus food & herb blend

MegaFood Selenium provides an essential mineral and is supported with a range of additional foods and herbs: organic spinach, ginger root, turmeric root, rosemary leaf, parsley leaf, oregano leaf, brown rice, broccoli, carrot, and beetroot.

MegaFood Selenium provides an essential mineral and is supported with a range of additional foods and herbs: organic spinach, ginger root, turmeric root, rosemary leaf, parsley leaf, oregano leaf, brown rice, broccoli, carrot, and beetroot.

Satisfaction guaranteed or your money back.

Additional Information

Learn about our seals: megafood.com/standards

Tested for 125+ Pesticides & Herbicides Glyphosate Residue Free detoxfreeproject.org Certified Vegan Vegan.org Certified B Corporations OK (Kosher) Non GMO Project Verified nongmoproject.org

We believe the most nutritious food comes from healthy soil. Our goal is to partner with farmers who share our commitment to regenerative agriculture, working to nourish the soil for quality ingredients that make for premium supplements.

Store tightly sealed in a cool place and avoid exposure to moisture. Once open, consume within three months.

Metadata

Product Details

UPC / SKU0 51494 10186 5
DSLD Entry Date2025-04-24
Product TypeBotanical with Nutrients
FormTablet or Pill
DSLD ID327580
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.