Home/ Supplements/ Selenium/ Selenium 100 mcg

Selenium 100 mcg

product on market Tablet or Pill GNC 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 and calcium are essential minerals that support thyroid function and bone health, respectively. There is strong evidence for their physiological roles, although the overall evidence coverage for this specific formulation is limited. The profile maintains a high safety score with no significant concerns noted.

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

Label

Product Label

Label for Selenium 100 mcg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Mineral
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
23 mg (2% DV)
100 mcg (182% DV)
1.8× RDA — within safe limits 173 studies (A:0, B:67)

Other Ingredients

Microcrystalline Cellulose Dicalcium Phosphate Croscarmellose Sodium Stearic Acid Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: As a dietary supplement, take one or two tablets daily.

Warnings & Precautions

Keep out of reach of children.

Contains: Wheat.

Formulation Notes

Helps build antioxidant enzymes

All mineral amounts shown are elemental. Potency verified by GNC procedure #4000. Conforms to USP <2091> for weight. Meets USP <2040> for disintegration.

No sugar, no starch, no artificial colors, no artificial flavors, no preservatives, sodium free, no corn, no soy, no dairy.

Ko Kosher Service

Additional Information

Store in a cool, dry place.

100 servings

Ko Kosher Service

Metadata

Product Details

UPC / SKU0 48107 17689 1
DSLD Entry Date2020-06-24
Product TypeMineral
FormTablet or Pill
BrandGNC
DSLD ID227954
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 →
Compare

Similar Products

Natural Selenium 50 mcg
Vitamin World · Tablet or Pill
100
Selenium 50 mcg
Viva Vitamins · Tablet or Pill
100
Natural Selenium 200 mcg
Sunmark · Tablet or Pill
100
Opti-Sel
Douglas Laboratories · Tablet or Pill
100
Hypo-Selenium 200 mcg
Douglas Laboratories · Tablet or Pill
100
View all Selenium products →
Selenium research Best Selenium All Selenium products More from GNC View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.