🟢 100/100

This product looks safe

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

Product Label

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Label Data

1 Capsule(s) Serving Size
90 Servings
Mineral Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

200 mcg (364% DV)
📊 3.6× RDA — above typical dose (UL: 0.4 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.2mg UL 0.4mg

Other Ingredients

Microcrystalline Cellulose Gelatin Capsule Magnesium Stearate

Label Claims — Verification

All Other
Structure/Function
All Other (98% of products) Structure/Function (79% of products) Nutrient (50% of products) Qualified Health (5% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Suggested usage:1 capsule per day or as directed by a health professional.

⚠️ Warnings & Precautions

Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding or trying to conceive, or if you are taking medication, have a medical condition or anticipate a surgery.

Keep out of the reach of children.

Sealed for your protection. Do not use if seal is broken.

🧪 Formulation Notes

SelenoExcell 200 mcg is a bioavailable form of organically bound selenium yeast. As an antioxidant, selenium supports immune system health.

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

TRUE ELEMENT CONTENT Se

Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, soy, corn, egg, fish, shellfish, salt, tree nuts, or GMOs.

Product of Canada

Antioxidant & immune support

Additional Information

isura NON-GMO MASS SPEC Documentation Lab Tested

For freshness, store in a cool, dry place.

Recyclable container and label.

Product Details

UPC / SKU 0 68958 01675 7
DSLD Entry Date 2023-01-23
Product Type Mineral
Form Capsule
DSLD ID 282630
Data Updated 2026-04-11

Research Evidence

273 Research Sources
55 Avg Quality Score
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
A Selenium supplementation for the primary prevention of cardiovascular disease
Meta Analysis The Cochrane database of systematic reviews 2013
A Selenium supplementation for critically ill adults
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin E and the risk of prostate cancer: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)
Rct JAMA 2011
B Selenium and prostate cancer: systematic review and meta-analysis
Meta Analysis The American journal of clinical nutrition 2012
B Selenium supplementation for Hashimoto's thyroiditis
Systematic Review The Cochrane database of systematic reviews 2013
B Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy
Meta Analysis The Cochrane database of systematic reviews 2017
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
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
B Meta-analysis of selenium effects on the meat quality of broilers
Meta Analysis Poultry science 2024
View all evidence for Selenium →

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