DaVinci Laboratories Natural Vitamin E-400 supplement bottle
DaVinci Laboratories

Natural Vitamin E-400 Review

What We Researched
1 active ingredient analyzed · 3 inactive ingredients decoded · 4 brand certifications checked · Last updated: Aug 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-Tocopherol Acetate, Mixed Tocopherols) 400 IU 1333%
Bioavailability Excellent

Absorption Rating

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

Fillers & Additives

  • Soybean Oil
  • Gelatin
  • Glycerin
Efficacy Very Good

Dosage Analysis

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

Supplement Facts

Ingredient Amount % Daily Value
Vitamin E (as D-Alpha-Tocopherol Acetate, Mixed Tocopherols) 400 IU 1333%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Soybean Oil Safe

Dissolves fat-soluble ingredients. Contains soy allergen.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Brand Trust Report
DaVinci Laboratories

Founded 1973 · Williston, VT, US · 368 products · davincilabs.com/

Certifications

4 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source
Nsf Gmp Verified Source
NSF Certified Verified

Transparency

5 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source
Testing Lab Disclosure — True
Contains Proprietary Blend — True

Violation History

2 incidents
Recall Amyloid Complete2024-05-08Source
Recall Dim Plex2019-07-11Source
Related Supplements
Frequently Asked Questions
Is DaVinci Laboratories Natural Vitamin E-400 a good supplement?

DaVinci Laboratories Natural Vitamin E-400 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, DaVinci Laboratories, holds a brand trust score of 93/100 with 4 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp, NSF Certified.

What are the ingredients in DaVinci Laboratories Natural Vitamin E-400?

DaVinci Laboratories Natural Vitamin E-400 contains 1 active ingredients: Vitamin E (as D-Alpha-Tocopherol Acetate, Mixed Tocopherols) (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 DaVinci Laboratories Natural Vitamin E-400 safe to take?

DaVinci Laboratories Natural Vitamin E-400 has been analyzed for ingredient safety across all its components. All 3 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is DaVinci Laboratories a trustworthy supplement brand?

DaVinci Laboratories receives a brand trust score of 93/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1973 and headquartered in Williston, VT, US, the company offers 368 products in their lineup. They hold 4 verified certifications including Consumerlab, Fda Gmp Inspections, Nsf Gmp, NSF Certified. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: DaVinci Laboratories has 2 historical regulatory incidents on record, which are factored into the trust score.

How much vitamin d3 should i take daily?

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 does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 150,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

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.

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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.