Allergy Research Group Natural Source E supplement bottle
Allergy Research Group

Natural Source E Review

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 2 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
83
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
Vitamin E (as D-Alpha-Tocopherol, Mixed Tocopherols) 400 IU 1333%
Soybean Oil 20 mg †
Bioavailability Excellent

Absorption Rating

  • Vitamin E (as D-Alpha-Tocopherol, Mixed Tocopherols) Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Glycerin
  • Water
Efficacy Very Good

Dosage Analysis

  • Vitamin E (as D-Alpha-Tocopherol, Mixed Tocopherols) 400 IU High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin E (as D-Alpha-Tocopherol, Mixed Tocopherols) 400 IU 1333%
Soybean Oil 20 mg †

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.

Water Safe

Dissolves and carries water-soluble ingredients.

Brand Trust Report
Allergy Research Group

Founded 1979 · Salt Lake City, Utah, United States · 374 products · allergyresearchgroup.com

Certifications

2 certifications
Consumerlab Source available Primary evidence
NSF Certified Supporting evidence unavailable

Transparency

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

Violation History

1 incident
Prop 65 Lead2011-01-14 Source available Primary source
Related Supplements
Frequently Asked Questions
Is Allergy Research Group Natural Source E a good supplement?

Allergy Research Group Natural Source E 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 2 active ingredients with 120 servings per container. All 3 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Allergy Research Group, holds a brand trust score of 83/100.

What are the ingredients in Allergy Research Group Natural Source E?

Allergy Research Group Natural Source E contains 2 active ingredients: Vitamin E (as D-Alpha-Tocopherol, Mixed Tocopherols) (400 IU), Soybean Oil (20 mg). 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 Allergy Research Group Natural Source E safe to take?

GoodSupp reviewed the inactive-ingredient data available for Allergy Research Group Natural Source E. 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 Allergy Research Group a trustworthy supplement brand?

Allergy Research Group receives a brand trust score of 83/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1979 and headquartered in Salt Lake City, Utah, United States, the company offers 374 products in their lineup. Note: Allergy Research Group 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.