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Carlson KEY-E supplement bottle
Carlson

KEY-E Review

What We Researched
1 active ingredient analyzed · 7 inactive ingredients decoded · 8 brand certifications checked · Page generated: Sep 2026
93
Product Score Excellent
93
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-Tocopheryl Succinate) 400 IU 1333%
Bioavailability Excellent

Absorption Rating

  • Vitamin E (as D-Alpha-Tocopheryl Succinate) Good
Other Ingredients Excellent

Fillers & Additives

  • Dextrose
  • Microcrystalline Cellulose
  • Corn Starch
  • Silicon Dioxide
  • Magnesium Stearate
  • Natural Vanilla Flavor
  • Stevia
Efficacy Very Good

Dosage Analysis

  • Vitamin E (as D-Alpha-Tocopheryl Succinate) 400 IU High

Supplement Facts

Ingredient Amount % Daily Value
Vitamin E (as D-Alpha-Tocopheryl Succinate) 400 IU 1333%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dextrose Generally_safe

It is used as a filler, sweetener, or to improve the flow of powders.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Corn Starch Generally_safe

It is used as a filler, binder, or thickener.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Natural Vanilla Flavor Generally_safe

It is used to enhance the taste of the supplement.

Stevia Safe

It is used as a sweetener.

Brand Trust Report
Carlson

Founded 1965 · Arlington Heights, Illinois, United States · 702 products · carlsonlabs.com/

Certifications

8 certifications
Consumerlab Source available Primary evidence
Labdoor Source available Primary evidence
Non Gmo Project Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Usda Organic Source available Primary evidence
Vegan Certified Source available Primary evidence
IGEN Non-GMO Tested Supporting evidence unavailable
NSF Certified Supporting evidence unavailable

Transparency

3 claims
Third Party Testing Claim — Verified Evidence available Evidence
Testing Lab Disclosure — Claimed Evidence available Evidence

Violation History

4 incidents
Prop 65 Lead and lead compounds2024-02-05 Source available Primary source
Lawsuit Aloe Vera Gel products contained no detectable amount of aloe vera.2017 Source available Primary source
Prop 65 Retinol/Retinyl Esters2014-04-25 Source available Primary source
Lawsuit Patent infringement and unfair competition regarding the flavoring of gelatin capsules.2007 Source available Primary source
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Frequently Asked Questions
Is Carlson KEY-E a good supplement?

Carlson KEY-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 1 active ingredients All 7 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Carlson, holds a brand trust score of 93/100.

What are the ingredients in Carlson KEY-E?

Carlson KEY-E contains 1 active ingredients: Vitamin E (as D-Alpha-Tocopheryl Succinate) (400 IU). 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 Carlson KEY-E safe to take?

GoodSupp reviewed the inactive-ingredient data available for Carlson KEY-E. All 7 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 Carlson a trustworthy supplement brand?

Carlson receives a brand trust score of 93/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1965 and headquartered in Arlington Heights, Illinois, United States, the company offers 702 products in their lineup. Note: Carlson has 4 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.