Selenium Synergy

product on market Capsule Jarrow Formulas 🟢 Safety: 100/100
Brand: Jarrow Formulas
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 75% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Capsule(s) Serving Size
60 Servings
Other Combinations Product Type
75% Evidence Coverage

Supplement Facts — Evidence Check

20 mg (133% DV)
✅ 1.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 20mg UL 1000mg
2 mg (154% DV)
✅ 1.5× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 2mg
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
Glucoraphanin
10 mg

Other Ingredients

Microcrystalline Cellulose Bovine Gelatin Calcium Phosphate Maltodextrin Magnesium Stearate Silicon Dioxide

Label Claims — Verification

❓ Nutrient
❓ 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) No Allergies Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested use: Adults take 1 capsule once a day or as directed by your qualified healthcare professional.

⚠️ Warnings & Precautions

Warning: The total amount of selenium supplemented from all sources should not exceed 400 mcg/day, the daily tolerable upper intake level.

Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication or have a medical condition; if adverse reactions occur, discontinue use.

Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication or have a medical condition; if adverse reactions occur, discontinue use. Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

Selenium Synergy contains a highly effective form of selenium, methylselenocysteine, in a synergistic formulation with glucoraphanin, vitamin B2 (riboflavin) and vitamin E, which promotes antioxidant protection from free radicals and supports immune health.

Glucoraphanin Antioxidant complex

Oxidative stress defense

Non-GMO Gluten free

No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.

Additional Information

Store in a cool, dry place.

Immune support

Product Details

UPC / SKU 7 90011 13006 2
DSLD Entry Date 2024-05-23
Product Type Other Combinations
Form Capsule
Brand Jarrow Formulas
DSLD ID 307733
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
PubMed DOI Cochrane
A Selenium supplementation for the primary prevention of cardiovascular disease
Meta Analysis The Cochrane database of systematic reviews 2013
PubMed DOI Cochrane
A Selenium supplementation for critically ill adults
Meta Analysis The Cochrane database of systematic reviews 2015
PubMed DOI Cochrane
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 Cochrane
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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