Seeking Health Selenium 200 mcg supplement bottle
Seeking Health

Selenium 200 mcg Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 5 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
84
Brand Score Good

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 (as SelenoExcell High Selenium Yeast) 200 mcg 364%
Bioavailability Excellent

Absorption Rating

  • Selenium (as SelenoExcell High Selenium Yeast) Good
Other Ingredients Excellent

Fillers & Additives

  • HPMC
  • Ascorbyl Palmitate
  • Silica
Efficacy Excellent

Dosage Analysis

  • Selenium (as SelenoExcell High Selenium Yeast) 200 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Selenium (as SelenoExcell High Selenium Yeast) 200 mcg 364%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

HPMC Safe

It is used as a vegetarian capsule shell material.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report
Seeking Health

Founded 2011 · Bellingham, Washington, USA · 88 products · seekinghealth.com

Certifications

5 certifications
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
NSF Certified for Sport Verified
NSF Contents Certified Verified
NSF Certified Verified

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed Source
Contains Proprietary Blend — True

Violation History

2 incidents
Prop 65 Lead2025-07-11Source
Recall Optimal Multivitamin Chewable Dietary Supplements2022-09-16Source
Related Supplements
Frequently Asked Questions
Is Seeking Health Selenium 200 mcg a good supplement?

Seeking Health Selenium 200 mcg 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 100 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Seeking Health, holds a brand trust score of 84/100 with 5 verified certifications including Fda Gmp Inspections, Nsf Gmp, NSF Certified for Sport, NSF Contents Certified.

What are the ingredients in Seeking Health Selenium 200 mcg?

Seeking Health Selenium 200 mcg contains 1 active ingredients: Selenium (as SelenoExcell High Selenium Yeast) (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 Seeking Health Selenium 200 mcg safe to take?

Seeking Health Selenium 200 mcg has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Seeking Health a trustworthy supplement brand?

Seeking Health receives a brand trust score of 84/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2011 and headquartered in Bellingham, Washington, USA, the company offers 88 products in their lineup. They hold 5 verified certifications including Fda Gmp Inspections, Nsf Gmp, NSF Certified for Sport, NSF Contents Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Seeking Health 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.