Wonder Laboratories Natural E-400 IU supplement bottle
Wonder Laboratories

Natural E-400 IU Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 1 brand certification checked · Page generated: Sep 2026
93
Product Score Excellent
61
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
Vitamin E (as D-Alpha Tocopherol, D-Beta Tocopherol, D-Delta Tocopherol, D-Gamma Tocopherol) 268 mg 1787%
Bioavailability Excellent

Absorption Rating

  • Vitamin E (as D-Alpha Tocopherol, D-Beta Tocopherol, D-Delta Tocopherol, D-Gamma Tocopherol) Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Glycerin
  • Soybean Oil
Efficacy Very Good

Dosage Analysis

  • Vitamin E (as D-Alpha Tocopherol, D-Beta Tocopherol, D-Delta Tocopherol, D-Gamma Tocopherol) 268 mg High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin E (as D-Alpha Tocopherol, D-Beta Tocopherol, D-Delta Tocopherol, D-Gamma Tocopherol) 268 mg 1787%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Soybean Oil Safe

Dissolves fat-soluble ingredients. Contains soy allergen.

Brand Trust Report
Wonder Laboratories

Founded 1962 · White House, Tennessee, United States · 551 products · wonderlabs.com

Certifications

1 certification
Kosher Certified Source available Primary evidence

Transparency

3 claims
Third Party Testing Claim — Claimed Evidence available Evidence
In House Testing — Claimed Evidence available Evidence

Violation History

2 incidents
Prop 65 Not specified in the notice, referred to as 'the Listed Chemical'2008-10-22 Source available Primary source
Lawsuit Trademark Infringement1990 Source available Primary source
Related Supplements
Frequently Asked Questions
Is Wonder Laboratories Natural E-400 IU a good supplement?

Wonder Laboratories Natural E-400 IU received a product quality score of 93/100 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, Wonder Laboratories, holds a brand trust score of 61/100.

What are the ingredients in Wonder Laboratories Natural E-400 IU?

Wonder Laboratories Natural E-400 IU contains 1 active ingredients: Vitamin E (as D-Alpha Tocopherol, D-Beta Tocopherol, D-Delta Tocopherol, D-Gamma Tocopherol) (268 mg). Notable high-dose ingredients include Vitamin E at 1787% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Wonder Laboratories Natural E-400 IU safe to take?

GoodSupp reviewed the inactive-ingredient data available for Wonder Laboratories Natural E-400 IU. All 3 inactive ingredients — including capsule materials, fillers, and binders — are currently classified as safe in GoodSupp's ingredient reference data. 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 Wonder Laboratories a trustworthy supplement brand?

Wonder Laboratories receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1962 and headquartered in White House, Tennessee, United States, the company offers 551 products in their lineup. Note: Wonder Laboratories has 2 historical regulatory incidents 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.