Sophora Japonica Extract Quercetin Powder

Product Description

What Is Quercetin ?

Quercetin is an antioxidant and belongs to a group of plant pigments called flavonoids. It is found naturally in many fruits, vegetables, flowers, bark, and leaves but is not made in the human body. Studies show quercetin may help to protect against many health conditions associated with oxidative stress, including heart disease, rheumatoid arthritis and cancer.

As a flavonoid, quercetin actively scavenges free radicals, making it really good for oxidative stress. This means it can protect cells from damage by unwanted oxygen molecules in our bodies, and therefore lowers the risk of chronic diseases like cancer and heart disease. Oxidative stress damages DNA, causing mutations, which is what leads to cancer. This means that all antioxidants may reduce our statistical likelihood of developing cancer.

Sophora Japonica Extract Quercetin Powder Specification

Health Benefits of Quercetin

• Anti-inflammatory and immune system support

Quercetin is good for reducing inflammation in the body, helping to relieve pain and discomfort caused by inflammatory conditions such as arthritis and asthma.

Quercetin can improve immune function, bolstering the body’s defences against infections and viruses, making it particularly beneficial during cold and flu season. It partners with vitamin C so they mutually boost each other’s benefits.

• Allergy relief

Quercetin may reduce allergy symptoms by stabilising mast cells and inhibiting the release of histamine, providing relief from sneezing, itching, and nasal congestion. Vitamin C is also very important in allergy season, as it helps prevent the fatigue and lethargy that comes after a major allergic reaction or a string of smaller ones. Vitamin C and quercetin make perfect partners as they work together and boost each other’s absorption and benefits.

• Boosts collagen production to reduce signs of ageing

It’s thought that quercetin protects against the signs of ageing by promoting collagen production. Collagen reduces signs of ageing such as wrinkles and sagging skin by giving skin its firm sub-structure.

Quercetin’s antioxidant properties certainly help prevent ageing. This is because wrinkles form as our DNA suffers progressive damage from oxidative stress, amongst other factors. It may also help since it’s a partner nutrient to vitamin C, which is one of the chemical components of collagen tissue in our bodies.

• Heart health

Quercetin is a blood thinner, which can be good for people at risk of strokes and thromboses. The effect is strong, which means you should talk to your doctor if you’re already on blood thinners – otherwise you may end up with too much.

Further, research suggests that quercetin can improve cardiovascular function by dilating blood vessels, lowering blood pressure, and reducing the risk of hardened arteries. We need more research to find out the details of how quercetin is good for heart health.

• Balancing blood sugar

Quercetin may be good for stabilising blood glucose levels by improving insulin sensitivity and reducing insulin resistance. This may make it beneficial for people with pre-diabetes or who are battling to lose weight.

• Exercise endurance

Quercetin may boost sports performance and workout endurance. It seems that it can reduce fatigue by increasing mitochondrial biogenesis, which would improve energy production in muscle cells.

Quercetin Applications

• Dietary Supplements

A core ingredient in capsules, tablets, and powders targeting immune support, respiratory health, and oxidative stress reduction. Its high purity makes quercetin powder ideal for formulations promoting seasonal wellness and cellular health. Brands often pair it with vitamin C or bromelain to enhance absorption, creating synergistic immune-support blends.

• Functional Foods & Beverages

Added to energy bars, fruit juices, smoothies, and fortified snacks to boost antioxidant content. Water-dispersible quercetin powder integrates seamlessly into liquid formulations, while its mild flavor complements fruit-based products-appealing to health-conscious consumers seeking functional “superfoods.”

• Cosmetics & Skincare

Formulated into serums, creams, and masks for its antioxidant and anti-aging benefits. Quercetin powder helps protect skin from environmental damage, reduce inflammation, and support collagen production, making it a valuable ingredient in natural anti-aging lines.

• Nutraceutical Blends

Used in combination with ingredients like curcumin or resveratrol in broad-spectrum antioxidant formulations. Its ability to support multiple wellness pathways makes quercetin powder a staple in holistic health products.

Why Choose Our Quercetin?

• Ultra-High Purity: 95%-98% quercetin dihydrate (HPLC-verified) ensures maximum antioxidant efficacy.
• Powerful Antioxidant: Scavenges free radicals and supports immune function, backed by extensive research.
• Plant-Derived & Clean: Non-GMO, solvent-free, and free from additives-aligns with clean-label demands.
• Batch Consistency: Advanced testing guarantees uniform potency and purity across all productions.
• Global Compliance: Meets USP, EP, and FDA standards for use in supplements, foods, and cosmetics.

Sophora Japonica Extract Quercetin Powder Quality Supplier And Manufacturer

Our Quercetin Powder is a premium, plant-derived flavonoid extract standardized to contain 95%-98% quercetin dihydrate-one of nature’s most potent antioxidants, found in foods like onions, apples, and berries. As a leading manufacturer and supplier, we specialize in producing high-purity quercetin powder with exceptional bioactivity, leveraging a gentle extraction process to preserve its natural properties.

Sourced from non-GMO plant materials (primarily sophora japonica ), our extract undergoes rigorous purification to eliminate impurities, ensuring consistent potency in every batch. Unlike lower-grade quercetin, our powder delivers maximum antioxidant efficacy, supporting immune function, oxidative balance, and overall wellness. Free from solvents, GMOs, and artificial additives, our quercetin powder meets strict global standards (USP, EP) and is trusted by nutraceutical, food, and cosmetic brands worldwide for its versatility and reliability.

As a professional plant extract Active ingredients supplier,we have successfully obtained EU&NOP ,USDA, Kosher, Halal, ISO9001, BRC, FDA, COSMOS, IFS and other quality system certifications.

How To Buy Sophora Japonica Extract Quercetin Powder?

Just send email to sales@greenspringbio.com, or submit your requirement in bottom form, we are of service at any time!