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XYMOGEN Selen-E-400 supplement bottle
XYMOGEN

Selen-E-400 Review

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 7 brand certifications checked · Page generated: Sep 2026
96
Product Score Excellent
100
Brand Score Excellent

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
Vitamin E (as D-Alpha-Tocopherol) 400 IU 1333%
Selenium (as Selenium Yeast) 50 mcg 71%
Bioavailability Excellent

Absorption Rating

  • Vitamin E (as D-Alpha-Tocopherol) Good
  • Selenium (as Selenium Yeast) Good
Other Ingredients Excellent

Fillers & Additives

  • Softgel
  • Soybean Oil
  • Yellow Beeswax
  • Soy Lecithin
Efficacy Very Good

Dosage Analysis

  • Vitamin E (as D-Alpha-Tocopherol) 400 IU High
  • Selenium (as Selenium Yeast) 50 mcg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin E (as D-Alpha-Tocopherol) 400 IU 1333%
Selenium (as Selenium Yeast) 50 mcg 71%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Softgel Unknown
Soybean Oil Safe

Dissolves fat-soluble ingredients. Contains soy allergen.

Yellow Beeswax Safe

Helps form and seal softgel capsules.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Brand Trust Report
XYMOGEN

Founded 2003 · Orlando, Florida, United States · 398 products · xymogen.com/

Certifications

7 certifications
Consumerlab Source available Primary evidence
Nsf Certified For Sport Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Nsf Gmp Source available Primary evidence
NSF Certified for Sport Supporting evidence unavailable
NSF Contents Certified Supporting evidence unavailable
NSF Certified Supporting evidence unavailable

Transparency

6 claims
Third Party Testing Claim — Verified Evidence available Evidence
Coa Availability — Verified Evidence available Evidence
Testing Lab Disclosure — Verified Evidence available Evidence
In House Testing — Verified Evidence available Evidence
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

1 incident
Fda Warning The warning letter cited violations of current Good Manufacturing Practice (cGMP) regulations for dietary supplements, including failure to establish product specifications for the identity, purity, strength, and composition of the finished dietary supplement, and failure to conduct at least one appropriate test or examination to verify the identity of a dietary ingredient. The letter also noted that several products were considered new drugs because they were not generally recognized as safe and effective for their intended use.2011-12-13 Source available Primary source
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Frequently Asked Questions
Is XYMOGEN Selen-E-400 a good supplement?

XYMOGEN Selen-E-400 received a product quality score of 96/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 2 active ingredients with 60 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 ingredients are flagged for review. The manufacturer, XYMOGEN, holds a brand trust score of 100/100.

What are the ingredients in XYMOGEN Selen-E-400?

XYMOGEN Selen-E-400 contains 2 active ingredients: Vitamin E (as D-Alpha-Tocopherol) (400 IU), Selenium (as Selenium Yeast) (50 mcg). Notable high-dose ingredients include Vitamin E at 1333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is XYMOGEN Selen-E-400 safe to take?

GoodSupp reviewed the inactive-ingredient data available for XYMOGEN Selen-E-400. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is XYMOGEN a trustworthy supplement brand?

XYMOGEN receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2003 and headquartered in Orlando, Florida, United States, the company offers 398 products in their lineup. Note: XYMOGEN has 1 historical regulatory incident on record, which are factored into the trust score.

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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.