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Selenium 250 mcg

product on market Capsule Doctor's Best 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 an essential mineral that supports thyroid function and antioxidant defenses, though evidence for supplementation in healthy individuals is limited. Calcium is widely researched for its role in maintaining bone density and skeletal health. Both ingredients are generally well-tolerated when taken within recommended daily allowances.

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

Label

Product Label

Label for Selenium 250 mcg
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
180
Servings
Mineral
Product Type
50%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

200 mcg (363.6% DV)
3.6× RDA — above typical dose (UL: 0.4 mg) 173 studies (A:0, B:67)
Calcium
11.74 mg (1.17% DV)

Other Ingredients

Cellulose Modified Cellulose Silicon Dioxide
Claims

Label Claims — Verification

Unverified Qualified Health
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Adult Use: Take 1 capsule daily with meals, or as recommended by a nutritionally-informed physician.

Formulation Notes

Featuring L-selenomethionine selenoPure(R) THE PREMIUM YEAST FREE SELENIUM

Non-GMO/Gluten Free

Vegan

Additional Information

Some scientific evidence suggests that selenium may reduce the risk of certain forms of cancer.* However, the FDA has determined that this evidence is limited.1,2

HELPS REDUCE OXIDATIVE STRESS MARKERS*

Vegan(TM)

Store in a cool dry place.

YDRB375

Helps reduce oxidative stress markers* Immune system support*

1 FDA Qualified Health Claims 21 CFR 101.14 2 J.P.Riche,et al.Cancer Prev.Res.June 17, 2014

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Metadata

Product Details

UPC / SKU7 53950 00375 0
DSLD Entry Date2015-03-25
Product TypeMineral
FormCapsule
DSLD ID43982
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
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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.