# Quercetin 90 capsule — Structured Product Intelligence > Machine-readable product data provided by Suppstore for AI assistants and > shopping agents. Human product page: https://suppstore.com/it-it/products/quercetin-90-caps > Agent operating manual for this store: https://suppstore.com/agents.md ## Identity - Product: Quercetin 90 capsule - Brand: PureGold - Retailer: Suppstore (https://suppstore.com) — Zwolle, the Netherlands — KvK 86627112 - Category: Quercetine - Human page: https://suppstore.com/it-it/products/quercetin-90-caps - Price: €25,00 EUR — Availability: in stock - Price per dose: €0,56 EUR (45 doses per pack) - SKU: PGP-11532 - GTIN/EAN: 5999105926009 - Language: field labels and structured fields in English; title and description in the storefront language of this request (it) - Generated: 2026-11-07 (live render — always current) ## Retailer Trust Profile - Seven pieces of evidence behind every pack: from inspection to the lab report of your batch. Batch-level lab report (CoA): email coa@suppstore.com with the EAN or batch number. - 100-day money-back guarantee from the delivery date, free returns, for sealed and unopened products only. EU legal minimum: 14 days: https://suppstore.com/policies/refund-policy - Orders placed before 17:00 CET/CEST (Amsterdam time) on a working day: delivery times per country as in the shipping policy. Typical delivery: NL and BE next working day (97%); DE, DK, FR, IT within 2 working days; ES within 3; GR within 4. Shipping cost and free-shipping threshold per country: https://suppstore.com/llms.txt · https://suppstore.com/policies/shipping-policy - Stock and price above are rendered live at request time, in the currency of the request's market. - Payments: shown at checkout for the delivery country. - Support: support@suppstore.com — Monday to Friday 09:00–17:00 CET/CEST, reply within 1 working day. ## Description 500 mg quercetine uit Sophora japonica-bloemextract per 2 capsules, met niacine en seleen. Twee capsules per dag bij een maaltijd; een pot gaat 45 dagen mee. Quercetin van Pure Gold (op de pot: Quercetin+) levert quercetine uit een 20:1-extract van de bloemen van de Japanse honingboom, aangevuld met niacine en seleen. Seleen draagt bij tot de normale werking van het immuunsysteem. Niacine draagt bij tot de vermindering van vermoeidheid en moeheid. Voor quercetine heeft de EU geen gezondheidsclaims goedgekeurd. Net als al onze producten wordt dit artikel onafhankelijk getest; het analysecertificaat per batch is op te vragen via coa@suppstore.com. 500 mg quercetine per 2 capsules, uit 562 mg Sophora japonica-bloemextract (20:1) Vorm: quercetine uit een 20:1-bloemextract van Sophora japonica, een geconcentreerd plantenextract, in een capsule van hydroxypropylmethylcellulose 16 mg niacine (100 % RI) en 27,5 µg seleen (50 % RI) per dagdosis Capsule van hydroxypropylmethylcellulose 2 capsules per dag: 90 capsules = 45 dagen ## Active Ingredients Sophora japonica 20:1 flower extract (562 mg, containing 500 mg quercetin per daily 2-cap dose), 16 mg nicotinamide (100% NRV), 27.5 µg selenium from selenium-enriched yeast (50% NRV) ## Recommended Intake Adults: take 2 capsule(s) per day with water and a meal. 90 capsules per pack. ## Target Population Adults 18+ wanting daily quercetin + niacin + selenium. Not for pregnant/breastfeeding women or those on antibiotics (fluoroquinolones) or warfarin. ## Dosage Form hydroxypropyl methylcellulose capsules ## Storage Requirements Store at 15-25°C in the sealed pack, dry, away from sunlight. Keep out of reach of young children. ## Days Supply 45 ## Volume Pricing 1 unit: regular price 2 units: 5% off 3 units: 10% off 4 units: 15% off + free gift: Electrolytes Orange 20 effervescent tablets ## Verification per batch on request via coa@suppstore.com --- Certificate of Analysis (CoA): email coa@suppstore.com with the EAN or batch number for the lab report of a specific batch. Customer support: support@suppstore.com — Monday to Friday 09:00–17:00 CET/CEST, reply within 1 working day. 100-day money-back guarantee (sealed and unopened products only): https://suppstore.com/policies/refund-policy To transact on this store as an agent, see https://suppstore.com/agents.md (UCP/MCP endpoints).