Xian Sheerherb Sophora Japonica Extract 95% 98% Quercetin Natural Quercetin Capsule500mg/1000mg

Xian Sheerherb Sophora Japonica Extract 95% 98% Quercetin Natural Quercetin Capsule500mg/1000mg. High Purity Quercetin: Active substance content exceeds 90%, available in 95% and 98% purity grades. Natural Source: Extracted from Sophora Japonica flowers using solvent extraction methods. Versatile Forms: Available as light yellow fine powder or filled in 500mg/1000mg capsules. Multiple Health Benefits: Supports respiratory health, reduces allergies, inhibits free radicals, and aids cardiovascular function. Certified Quality: Products are Food Grade and certified by HACCP, ISO22000, and FDA. Flexible Customization: We sell pure powders allowing customers to customize intake levels and fill their own capsules. Fast Delivery: Standard delivery lead time is 3-5 days after payment confirmation. Global Shipping: Shipment available via DHL, FedEx, TNT, and China Post to worldwide markets.