Carlyle Indole-3-Carbinol (I3C) 400mg supplement bottle
Carlyle

Indole-3-Carbinol (I3C) 400mg Review

What We Researched
· 4 inactive ingredients decoded · 1 brand certification checked · Last updated: Aug 2026
75
Product Score Fair
65
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Fair

Supplement Facts

No supplement facts data available.

Bioavailability N/A

Absorption Rating

No ingredient forms matched our reference database.

Other Ingredients Excellent

Fillers & Additives

  • Gelatin Capsule
  • Vegetable Magnesium Stearate
  • Rice Powder
  • Silica
Efficacy N/A

Dosage Analysis

Dosage data not available for assessment.

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Capsule Safe

It is used as a material for making capsules.

Vegetable Magnesium Stearate Safe

Prevents ingredients from sticking to equipment. Derived from vegetable sources.

Rice Powder Safe

It is used as a filler or flow agent.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Brand Trust Report

Certifications

1 certification
USDA Organic Verified

Transparency

3 claims
Third Party Testing Claim — True
Testing Lab Disclosure — True
Contains Proprietary Blend — True
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Frequently Asked Questions
Is Carlyle Indole-3-Carbinol (I3C) 400mg a good supplement?

Carlyle Indole-3-Carbinol (I3C) 400mg received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. with 60 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Carlyle, holds a brand trust score of 65/100 with 1 verified certifications including USDA Organic.

Is Carlyle Indole-3-Carbinol (I3C) 400mg safe to take?

Carlyle Indole-3-Carbinol (I3C) 400mg has been analyzed for ingredient safety across all its components. All 4 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 Carlyle a trustworthy supplement brand?

Carlyle receives a brand trust score of 65/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. They hold 1 verified certifications including USDA Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.