One molecule. Endless possibilities.

Derived from the flower buds of *Sophora japonica*, high‑purity quercetin is far more than a simple flavonoid. It is a versatile, science‑backed ingredient that serves a wide range of industries — from dietary supplements and functional foods to personal care and animal nutrition.

Below, we explore how different sectors are harnessing the power of Sophora japonica quercetin to create better products.

1. Dietary Supplements

This is the largest and most established market for quercetin. Its well‑documented biological activities make it a popular choice for:

Immune Health Formulas

Quercetin supports a balanced immune response and helps maintain healthy inflammatory pathways. It is frequently included in seasonal wellness blends, often alongside vitamin C, zinc, and elderberry.

Cardiovascular Support  

By promoting endothelial function and protecting LDL cholesterol from oxidative damage, quercetin contributes to long‑term heart health. It appears in blood pressure support formulas and antioxidant complexes.

Allergy & Sinus Relief

As a natural mast cell stabilizer, quercetin helps moderate histamine release. It is a key ingredient in non‑drowsy allergy supplements targeting seasonal discomfort.

Healthy Aging & Longevity

  
Quercetin is one of the most studied senolytic compounds, helping the body clear aged (senescent) cells. It is increasingly found in premium longevity and “healthspan” products.

Recommended formats: Capsules, tablets, powders, gummies (with solubility enhancements)

2. Functional Foods & Beverages

Consumers want health benefits from everyday foods. Quercetin is moving beyond pills and into:

Energy Bars & Snacks

  
Added for antioxidant protection and metabolic support.

Ready‑to‑Drink (RTD) Beverages

  
When formulated with solubility enhancers (e.g., cyclodextrins or liposomal systems), quercetin can be incorporated into functional waters, shots, and teas.

Fortified Dairy & Plant‑Based Drinks  Blended with vitamin C to improve stability and absorption.

Key consideration:Flavor masking and solubility solutions are available upon request.

3. Sports Nutrition

Athletes and active individuals face high oxidative stress and exercise‑induced inflammation. Quercetin supports:

Recovery– Reduces post‑exercise muscle soreness.

Endurance–May enhance mitochondrial biogenesis and oxygen utilization.

Immune Protection–Helps counter immune suppression after intense training.

Popular formats: Pre‑workout blends, recovery powders, and endurance gels.

4. Cosmetics & Personal Care

Topical application of quercetin leverages its powerful antioxidant and anti‑inflammatory properties. It is used in:

Anti‑Aging Serums & Creams

 
Protects skin from UV‑induced oxidative stress and supports collagen integrity.

Soothing Lotions

  
Calms irritated or sensitive skin, making it useful for post‑sun and redness‑reducing products.

Eye Contour Formulas  

  
Helps reduce dark circles and puffiness due to its vascular support activity.

Formulation note: Oil‑soluble and encapsulated versions are available for better dermal penetration.

5. Animal Nutrition & Pet Health

The companion animal and livestock industries are increasingly adopting human‑grade nutraceuticals. Quercetin is used in:

Joint Health Supplements for Senior Dogs  

  
As a natural anti‑inflammatory alternative or adjunct to NSAIDs.

Immune Support for Cats & Horses

  
Particularly for seasonal allergies and skin conditions.

Poultry & Swine Feed  

  
Studied for its ability to support gut health and oxidative status in production animals.

Compliance: Our quercetin is suitable for use in animal feed applications subject to local regulations.

6. Pharmaceutical Research & Intermediates

For research and development purposes, high‑purity (98%+) Sophora japonica quercetin serves as:

A reference standard for analytical testing.

An intermediate in the synthesis of more complex flavonoid derivatives.

An active pharmaceutical ingredient (API) in investigational drug formulations for inflammation, viral inhibition, and metabolic disorders.

Note:This grade is intended for research and drug development use only.

## Our Product Specifications

Our Sophora Japonica Extract is manufactured under strict quality systems to meet the needs of dietary supplements, functional foods, and cosmetic formulations.

## Partner With Us

No matter your industry — supplements, food, cosmetics, animal health, or research — our Sophora japonica quercetin extract is ready to power your next product.

**Contact us info@kingherbs.com.cn today for a product specification sheet, samples, or a technical consultation.