Douglas Laboratories Selenium + Vitamin E 50 mcg, 400 IU supplement bottle
Douglas Laboratories

Selenium + Vitamin E 50 mcg, 400 IU Review

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 6 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 L-Selenomethionine) 50 mcg 71%
Bioavailability Excellent

Absorption Rating

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

Fillers & Additives

  • Gelatin
  • Soy Oil
  • Water
Efficacy Very Good

Dosage Analysis

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

Supplement Facts

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

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Soy Oil Unknown
Water Safe

Dissolves and carries water-soluble ingredients.

Brand Trust Report
Douglas Laboratories

Founded 1955 · Pittsburgh, Pennsylvania, United States · 32 products · douglaslabs.com

Certifications

6 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Nsf Certified For Sport Source available Primary evidence
Nsf Gmp Source available Primary evidence
Usda Organic Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

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

Violation History

2 incidents
Recall Douglas Labs Stress-B-Plus2024-10-07 Source available Primary source
Prop 65 Lead2008-10-22 Source available Primary source
Related Supplements
Frequently Asked Questions
Is Douglas Laboratories Selenium + Vitamin E 50 mcg, 400 IU a good supplement?

Douglas Laboratories Selenium + Vitamin E 50 mcg, 400 IU 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 3 inactive ingredients, 2 are rated safe and 0 ingredients are flagged for review. The manufacturer, Douglas Laboratories, holds a brand trust score of 100/100.

What are the ingredients in Douglas Laboratories Selenium + Vitamin E 50 mcg, 400 IU?

Douglas Laboratories Selenium + Vitamin E 50 mcg, 400 IU contains 2 active ingredients: Vitamin E (as D-Alpha-Tocopherol) (400 IU), Selenium (as L-Selenomethionine) (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 Douglas Laboratories Selenium + Vitamin E 50 mcg, 400 IU safe to take?

GoodSupp reviewed the inactive-ingredient data available for Douglas Laboratories Selenium + Vitamin E 50 mcg, 400 IU. 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 Douglas Laboratories a trustworthy supplement brand?

Douglas Laboratories receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1955 and headquartered in Pittsburgh, Pennsylvania, United States, the company offers 32 products in their lineup. Note: Douglas Laboratories 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.