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NutraKey Milk Thistle supplement bottle
NutraKey

Milk Thistle Review

What We Researched
1 active ingredient analyzed · 2 inactive ingredients decoded · Page generated: Sep 2026
100
Product Score Excellent
60
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
Milk Thistle Seed Extract (as Silymarin) 250 mg †
Bioavailability Excellent

Absorption Rating

  • Milk Thistle Seed Extract (as Silymarin) Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Rice Flour
Efficacy Excellent

Dosage Analysis

  • Milk Thistle Seed Extract (as Silymarin) 250 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Milk Thistle Seed Extract (as Silymarin) 250 mg †

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Brand Trust Report
NutraKey

Founded 2010 · Longwood, FL, United States · 46 products · nutrakeyhealth.com/

Transparency

2 claims
In House Testing — Claimed Evidence available Evidence

Violation History

4 incidents
Prop 65 Lead2021-11-15 Source available Primary source
Lawsuit Trademark Infringement2021 Source available Primary source
Prop 65 Lead2019-05-22 Source available Primary source
Prop 65 Lead and/or Cadmium2018-07-11 Source available Primary source
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Frequently Asked Questions
Is NutraKey Milk Thistle a good supplement?

NutraKey Milk Thistle 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 2 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, NutraKey, holds a brand trust score of 60/100.

What are the ingredients in NutraKey Milk Thistle?

NutraKey Milk Thistle contains 1 active ingredients: Milk Thistle Seed Extract (as Silymarin) (250 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NutraKey Milk Thistle safe to take?

GoodSupp reviewed the inactive-ingredient data available for NutraKey Milk Thistle. All 2 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 NutraKey a trustworthy supplement brand?

NutraKey receives a brand trust score of 60/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2010 and headquartered in Longwood, FL, United States, the company offers 46 products in their lineup. Note: NutraKey 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.