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Olympian Labs Grape Seed Extract 400 mg supplement bottle
Olympian Labs

Grape Seed Extract 400 mg Review

What We Researched
1 active ingredient analyzed · 5 inactive ingredients decoded · 2 brand certifications checked · Page generated: Sep 2026
100
Product Score Excellent
71
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
Grape seed extract (as Proanthocyanidins) 400 mg †
Bioavailability Excellent

Absorption Rating

  • Grape seed extract (as Proanthocyanidins) Good
Other Ingredients Excellent

Fillers & Additives

  • Vegetarian Capsule
  • Rice Flour
  • Microcrystalline Cellulose
  • Silicon Dioxide
  • Ascorbyl Palmitate
Efficacy Excellent

Dosage Analysis

  • Grape seed extract (as Proanthocyanidins) 400 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Grape seed extract (as Proanthocyanidins) 400 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Vegetarian Capsule Safe

It is used as a vegetarian capsule shell material.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Microcrystalline Cellulose Safe

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

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Ascorbyl Palmitate Safe

Prevents oxidation and extends shelf life of oil-based supplements.

Brand Trust Report
Olympian Labs

Founded 1992 · Phoenix, Arizona, United States · 282 products · olympianlabsshop.com/

Certifications

2 certifications
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence

Transparency

2 claims
Third Party Testing Claim — Claimed Evidence available Evidence

Violation History

2 incidents
Prop 65 Lead2018-09-05 Source available Primary source
Lawsuit Allegations that the products 'Medi-Phen' and 'Herp-Eeze' were not safe or effective for their advertised purposes of weight loss and relief of Herpes simplex viruses, respectively.2002 Source available Primary source
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Frequently Asked Questions
Is Olympian Labs Grape Seed Extract 400 mg a good supplement?

Olympian Labs Grape Seed Extract 400 mg received a product quality score of 100/100 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 5 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Olympian Labs, holds a brand trust score of 71/100.

What are the ingredients in Olympian Labs Grape Seed Extract 400 mg?

Olympian Labs Grape Seed Extract 400 mg contains 1 active ingredients: Grape seed extract (as Proanthocyanidins) (400 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Olympian Labs Grape Seed Extract 400 mg safe to take?

GoodSupp reviewed the inactive-ingredient data available for Olympian Labs Grape Seed Extract 400 mg. All 5 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 Olympian Labs a trustworthy supplement brand?

Olympian Labs receives a brand trust score of 71/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1992 and headquartered in Phoenix, Arizona, United States, the company offers 282 products in their lineup. Note: Olympian Labs 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.