D-Chiro Inositol (DCI)

D-Chiro Inositol (DCI) – 99% purity food grade powder, naturally extracted from carob. Supports healthy insulin function, glucose metabolism, hormonal balance & ovarian health. Ideal for dietary supplements, functional foods & sports nutrition. Available in 95%-99% purity. Request samples!

Product Title

D-Chiro Inositol (DCI) | High-Purity Insulin-Sensitizing Ingredient for Metabolic & Hormonal Health

Product Name: D-Chiro Inositol / D-Chiral Inositol / DCI
Synonyms: 1D-Chiro-Inositol; 1,2,4/3,5,6-Hexahydroxycyclohexane; D-(+)-Chiro-Inositol
CAS No.: 643-12-9
Molecular Formula: C₆H₁₂O₆
Molecular Weight: 180.16
Extraction Source: Carob (Ceratonia siliqua)
Available Purity: 99%, 98%, 95% (HPLC)
Appearance: White powder
Particle Size: 80–100 mesh
Shelf Life: 24 months

Product Overview

D-Chiro Inositol (DCI) is one of the nine naturally occurring isomers of inositol, a member of the vitamin B complex family. It is a naturally occurring compound found in small amounts in various foods such as buckwheat and beans, with particularly rich concentration in carob pods. As a key component of inositol phosphoglycans (IPG) — the putative mediators of insulin action — DCI plays an essential role in insulin signal transduction and cellular metabolism.

Through advanced natural extraction technology from carob, our D-Chiro Inositol is manufactured to high purity specifications (95%–99% by HPLC). It is a white, free-flowing powder with excellent processing characteristics, suitable for a wide range of dietary supplement, functional food, and nutraceutical applications.

As a natural insulin sensitizer, DCI has been extensively studied for its role in supporting healthy blood glucose metabolism, hormonal balance, and ovarian function. It is widely used in women’s health supplements, metabolic wellness products, and sports nutrition formulations.

Key Specifications

Mechanisms of Action & Key Bioactivities

D-Chiro Inositol exerts its health benefits through multiple well-established pathways:

1. Insulin Signal Transduction & Glucose Metabolism

• DCI is a critical component of inositol phosphoglycan (IPG) mediators, which act as second messengers in the insulin signaling cascade

• It accelerates the dephosphorylation of glycogen synthase and pyruvate dehydrogenase — the rate-limiting enzymes of non-oxidative and oxidative glucose disposal

• Supports healthy insulin function and glucose regulation

• Helps maintain healthy blood sugar levels and metabolic balance

2. Hormonal Balance & Ovarian Health

• Supports menstrual regularity and ovarian function

• Helps maintain healthy hormone levels

• DCI has been shown to be effective in supporting women‘s reproductive health

• Clinical evidence indicates DCI helps lower elevated testosterone and key reproductive hormones

3. Metabolic Syndrome & Cardiovascular Support

• Supports healthy lipid profiles and cardiovascular function

• Helps maintain healthy cholesterol levels

• Contributes to overall metabolic wellness

• Emerging applications in men‘s health supplements: clinical studies have shown DCI can increase serum testosterone levels

4. Antioxidant & Cellular Protection

• Possesses antioxidant activity

• Supports autophagy — the cellular process of clearing debris for better cellular performance

• Helps regulate inflammatory stress

• May help reduce oxidative stress and support healthy aging

5. Neurotransmitter & Mood Support

• Acts as a messenger for serotonin and dopamine — neurotransmitters that signal positive moods

• Supports central nervous system function

Key Benefits 

Application Scenarios

Note: The physiological ratio of myo-inositol to D-chiro-inositol in the body is approximately 40:1; many formulations combine both isomers for optimal efficacy. Recommended dosages are for reference only; final use levels should be determined based on target health claims and regulatory compliance.

Why Choose Our D-Chiro Inositol? 

✅ Multiple Purity Options – Available in 99%, 98%, and 95% specifications to meet diverse formulation needs and cost requirements

✅ Naturally Derived – Extracted from carob (Ceratonia siliqua) through advanced natural extraction technology

✅ High Bioactivity – Retains full insulin-sensitizing and metabolic-supporting activity

✅ Excellent Processing Properties – 80–100 mesh fine powder for easy blending and encapsulation

✅ Versatile Applications – Suitable for dietary supplements, functional foods, sports nutrition, and beverages

✅ Food Grade Certified – Manufactured under strict quality control for food and supplement applications

✅ Flexible Packaging – Available in 1 kg sample bags and 25 kg bulk drums, with custom packaging upon request

✅ Stable Supply – Reliable production capacity with consistent quality across all purity grades

Packaging & Storage 

Storage Conditions: Keep sealed, protected from direct sunlight, and store in a cool, dry, and well-ventilated area. Avoid high temperature and excessive humidity.
Shelf Life: 24 months from date of manufacture under recommended storage.