Kirkman Labs Grapefruit Seed Extract, 125 mg, 120 Capsules supplement bottle
Kirkman Labs

Grapefruit Seed Extract, 125 mg, 120 Capsules

What We Researched
2 active ingredients analyzed · 3 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
83
Product Score Good
81
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Each Serving Contains Amount Per Serving % Daily Value
Grapefruit Seed Extract 125 mg *
Bioavailability Fair

Absorption Rating

  • Each Serving Contains Fair
  • Grapefruit Seed Extract Fair
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Vegetarian Capsule (Hypromellose and Water)
  • Silicon Dioxide
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Supplement Facts

Ingredient Amount % Daily Value
Each Serving Contains Amount Per Serving % Daily Value
Grapefruit Seed Extract 125 mg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

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

Vegetarian Capsule (Hypromellose and Water) Safe

It provides a vegetarian encapsulation option.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$16$15$14$13$12 Mar 12 $13.65
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Kirkman Labs

Founded 1949 · Lake Oswego, Oregon, U.S. · 74 products · kirkmangroup.com

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Testing Lab Disclosure — Claimed Source
In House Testing — Verified Source

Violation History

1 incident
Fda Warning Marketing unapproved new drugs and misbranded drugs (sodium fluoride products).2016-01-13Source
Related Supplements
Frequently Asked Questions
Is Kirkman Labs Grapefruit Seed Extract, 125 mg a good supplement?

Kirkman Labs Grapefruit Seed Extract, 125 mg, 120 Capsules received a product quality score of 83/100 in GoodSupp's independent analysis, indicating strong overall quality. 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, Kirkman Labs, holds a brand trust score of 81/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Kirkman Labs Grapefruit Seed Extract, 125 mg?

Kirkman Labs Grapefruit Seed Extract, 125 mg contains 2 active ingredients: Each Serving Contains (Amount Per Serving), Grapefruit Seed Extract (125 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Kirkman Labs Grapefruit Seed Extract, 125 mg safe to take?

Kirkman Labs Grapefruit Seed Extract, 125 mg, 120 Capsules 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 Kirkman Labs a trustworthy supplement brand?

Kirkman Labs receives a brand trust score of 81/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1949 and headquartered in Lake Oswego, Oregon, U.S., the company offers 74 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Kirkman Labs has 1 historical regulatory incident on record, which are factored into the trust score.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. 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.