Natural Whitening Ingredient Indole 3 Carbinol

Product Overview

Indole-3-Carbinol (I3C), sometimes mistakenly referred to as “Indole 3 methanol,” is a naturally occurring compound derived from cruciferous vegetables such as broccoli, cabbage, and kale. It is a key bioactive widely used in Plant Extracts, Nutritional Ingredients, and Men's Health Extracts due to its role in hormone metabolism and cellular health support.

In global B2B markets, I3C is a high-demand ingredient for Herbal Extracts, Sports Nutrition Ingredients, and advanced nutraceutical formulations. Buyers prioritize high-purity Standardized Extracts, stable raw material sourcing, and compatibility with Capsule Manufacturing and Tablet Manufacturing.

Content Note: Prepared by our technical team based on current scientific literature. Health claims comply with FDA/EFSA guidelines. Last reviewed: April 2026

According to a study in Journal of Nutrition (2001), Indole-3-carbinol demonstrated potential to influence estrogen metabolism pathways.

According to a study in Cancer Research (1998), I3C showed modulatory effects on carcinogen metabolism in experimental models.

Key Ingredients & Specifications

Differentiation Content

I3C vs DIM (Diindolylmethane)

Purity vs Application Scenario

Recommended Formulation Combinations

• I3C 200 mg + DIM 100 mg for hormone balance formulations
• I3C 150 mg + Calcium D-Glucarate for detox support
• I3C 200 mg + Broccoli Extract for synergistic plant-based formulas

Applications & Benefits

Indole-3-Carbinol is widely used across industries:

• Dietary Supplements: Hormone balance and detox support
• Men’s Health Products: Included in Men's Health Extracts
• Sports Nutrition: Metabolic support formulations
• Functional Foods: Advanced Nutritional Ingredients

Studies suggest I3C may support:

• Estrogen metabolism balance
• Cellular detoxification pathways
• Antioxidant and protective mechanisms

Why Choose Us – Quality, Certifications & OEM Capability

We provide high-quality Standardized Extracts for global nutraceutical brands.

• Certifications: ISO, HACCP, GMP, Kosher, Halal
• OEM Services: Supplement Contract Manufacturing
• Dosage Forms: Capsules, tablets, powders
• Customization: Purity levels, formulation design, packaging
• MOQ: Flexible for pilot and bulk orders
• Lead Time: 2–4 weeks

We also supply a wide range of Plant Extracts, Antioxidants , Amino Acids , and integrated solutions for Capsule Manufacturing and Tablet Manufacturing.

Frequently Asked Questions

Is Indole-3-Carbinol the same as DIM?

No, I3C is a precursor compound that converts into DIM in the body.

What purity is recommended for supplements?

98% purity is typically used for high-end nutraceutical formulations.

Is it suitable for capsules?

Yes, I3C is commonly used in capsules and tablets.

What is the typical dosage?

Common formulations range from 100 mg to 300 mg per serving.

Do you offer OEM services?

Yes, we provide full private label and contract manufacturing services.

 

Shaanxi Kaishi Biotechnology Co. LTD,., was established in june 2022. It is a professional animal and plant extracts modern and advanced enterprise object, pharmaceutical intermediates, and natural active ingredients. In the development, production and marketing, is very powerful. Headquartered in Henan. It has a research and development center and the Analysis and Testing Center, with strong comprehensive national strength. The company has 200 acres of experimental field of plant cultivation, extraction, distillation, rectification, chromatography, three specialized production lines, as well as 10,000 square meters of GMP standard workshop..