SuperiorLabs Yeast-Free Selenium supplement bottle
SuperiorLabs

Yeast-Free Selenium Review

What We Researched
1 active ingredient analyzed · 2 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
78
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Selenium 200 mcg 364%
Bioavailability Excellent

Absorption Rating

  • Selenium Good
Other Ingredients Excellent

Fillers & Additives

  • Plant Cellulose
  • Organic Rice Extract
Efficacy Excellent

Dosage Analysis

  • Selenium 200 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Selenium 200 mcg 364%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Plant Cellulose Safe

It is used as a filler or binder.

Organic Rice Extract Generally_safe

It is added for its potential health benefits.

Brand Trust Report
SuperiorLabs

Founded 2012 · Creswell, OR, USA · 54 products · superiorlabs.com

Certifications

2 certifications
Fda Gmp Inspections Verified Source
NSF Certified Verified

Transparency

4 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Testing Lab Disclosure — True

Violation History

2 incidents
Fda Warning Serious violations of CGMP regulations and unapproved new drug claims on the company website.2023-04-27Source
Prop 65 Lead and lead compounds2018-07-20Source
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Frequently Asked Questions
Is SuperiorLabs Yeast-Free Selenium a good supplement?

SuperiorLabs Yeast-Free Selenium received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 240 servings per container. Of the 2 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, SuperiorLabs, holds a brand trust score of 78/100 with 2 verified certifications including Fda Gmp Inspections, NSF Certified.

What are the ingredients in SuperiorLabs Yeast-Free Selenium?

SuperiorLabs Yeast-Free Selenium contains 1 active ingredients: Selenium (200 mcg). Notable high-dose ingredients include Selenium at 364% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is SuperiorLabs Yeast-Free Selenium safe to take?

SuperiorLabs Yeast-Free Selenium has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is SuperiorLabs a trustworthy supplement brand?

SuperiorLabs receives a brand trust score of 78/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2012 and headquartered in Creswell, OR, USA, the company offers 54 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: SuperiorLabs has 2 historical regulatory incidents on record, which are factored into the trust score.

What is magnesium good for?

Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 150,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

How much magnesium per day?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What is zinc good for?

Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 150,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.