🟢 100/100

This product looks safe

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

Product Label

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Label Data

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

Supplement Facts — Evidence Check

Calcium
23 mg (2% DV)
100 mcg (182% DV)
✅ 1.8× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.1mg UL 0.4mg

Other Ingredients

Microcrystalline Cellulose Dicalcium Phosphate Croscarmellose Sodium Stearic Acid 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) Kosher Dairy Free Sugar Free

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

Product Details

UPC / SKU 0 48107 17689 1
DSLD Entry Date 2020-06-24
Product Type Mineral
Form Tablet or Pill
Brand GNC
DSLD ID 227954
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 →

Compare Similar Products

View all Selenium products →