--- product_id: 85784120 title: "Thorne Quercetin Phytosome, 60 Capsules" brand: "thorne" price: "S$86" currency: SGD in_stock: true reviews_count: 9 url: https://www.desertcart.sg/products/85784120-thorne-quercetin-phytosome-60-capsules store_origin: SG region: Singapore --- # 20x bioavailability boost 250 mg pure quercetin GMP & 3rd-party tested Thorne Quercetin Phytosome, 60 Capsules **Brand:** thorne **Price:** S$86 **Availability:** ✅ In Stock ## Summary > 🌟 Unlock your immune edge with Thorne’s ultra-absorbable quercetin! ## Quick Answers - **What is this?** Thorne Quercetin Phytosome, 60 Capsules by thorne - **How much does it cost?** S$86 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/85784120-thorne-quercetin-phytosome-60-capsules) ## Best For - thorne enthusiasts ## Why This Product - Trusted thorne brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Clean & Pure Formula:** 250 mg of high-purity quercetin per capsule, free from gluten, soy, dairy, shellfish, and fish allergens. - • **Flexible Daily Dosing:** Take 1 capsule 2-3 times daily with meals, fitting seamlessly into your busy lifestyle. - • **Next-Level Absorption:** Quercetin phytosome delivers up to 20x more bioavailable antioxidant power than standard extracts. - • **Plant-Powered Wellness:** Harnesses potent flavonoids naturally sourced from fruits, veggies, and tea for holistic health support. - • **Science-Backed Quality:** Crafted in the USA with GMP certification and rigorous third-party testing for unmatched purity and safety. ## Overview Thorne Quercetin Phytosome offers a cutting-edge, highly bioavailable antioxidant formula with 250 mg of quercetin per capsule, sourced from sunflower phospholipids. Designed for clean-label purity and backed by GMP-certified manufacturing and third-party testing, it supports immune and overall wellness with flexible dosing tailored for modern professionals. ## Features - Optimised Bioavailability: Featuring quercetin phytosome (phospholipid complex from sunflower), shown to be up to 20 times more bioavailable than standard quercetin extract - High-Purity Formula: Delivers 250 mg quercetin phytosome per capsule with minimal, clean-label excipients and no gluten, soy, dairy, shellfish, or fish - Trusted Ingredient Sourcing: Contains plant-based flavonoids, a class of compounds naturally found in fruits, vegetables, and tea - Flexible Use: Take 1 capsule two to three times daily with meals or as recommended by your health-care practitioner - Science-Backed & GMP Certified: Every Thorne supplement is crafted using evidence-based research, GMP-certified manufacturing, third-party testing, and with a commitment to product purity and safety, supporting individual wellbeing ## Technical Specifications | Specification | Value | |---------------|-------| | Asin | B0797DQTVZ | | Country Of Origin | USA | | Guaranteed Software Updates Until | unknown | | Item Model Number | SB335 | | Manufacturer | Thorne Research | | Product Dimensions | 5.31 x 5.31 x 9.45 cm; 58.97 g | ## Product Details - **Age range (description):** Adult - **Brand:** THORNE - **Diet type:** Gluten Free - **Flavour:** Apple - **Item dimensions L x W x H:** 5.3 x 5.3 x 9.4 centimetres - **Item form:** Capsule - **Item weight:** 0.13 Pounds - **Primary supplement type:** B-Complex - **Product benefits:** Immune Support - **Unit count:** 60.00 count ## Images ![Thorne Quercetin Phytosome, 60 Capsules - Image 1](https://m.media-amazon.com/images/I/71aVcjDhxaL.jpg) ![Thorne Quercetin Phytosome, 60 Capsules - Image 2](https://m.media-amazon.com/images/I/71mNwjRsPKL.jpg) ![Thorne Quercetin Phytosome, 60 Capsules - Image 3](https://m.media-amazon.com/images/I/81F+5J9N04L.jpg) ![Thorne Quercetin Phytosome, 60 Capsules - Image 4](https://m.media-amazon.com/images/I/81D+ZcIXj7L.jpg) ![Thorne Quercetin Phytosome, 60 Capsules - Image 5](https://m.media-amazon.com/images/I/81kwqw8xLQL.jpg) ## Questions & Answers **Q: What makes Thorne supplements high quality?** A: Thorne produces high-quality supplements through rigorous testing, well-researched ingredient sourcing, and strict manufacturing standards. We avoid unnecessary additives, binders, and fillers that may interfere with nutrient absorption. **Q: How does Thorne test its supplements for quality?** A: To confirm the purity of our ingredients, the potency of our formulas, and the absence of all contaminants, we carry out a minimum of four rounds of testing on every product we manufacture. 100+ Thorne employees are dedicated to ensuring quality. **Q: Are Thorne supplements clinically tested and safe?** A: Thorne partners with researchers and conducts clinical trials to support the efficacy of our products. Our team of doctors and medical experts substantiate each ingredient in every formula based on extensive clinical research and medical literature. **Q: Why are Thorne products more expensive than other supplements?** A: When it comes to the health of our customers, we never settle. Thorne products may be priced higher than some others because of our commitment to quality at every step. We don’t simply meet the standard in dietary supplements — we set the standard. **Q: Where are Thorne supplements made and where are the ingredients sourced from?** A: Located in South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. When it comes to ingredient sourcing, we seek out only the highest-quality ingredients, selecting each one for its purity and effectiveness. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great stuff *by on Reviewed in the United Kingdom 2 July 2026* Ok so my histamine levels were over 7867 in highest ref range 959 /7 times the norm basically/. The bloating was one thing, but every morning I felt like I have something stuck in my throat that I desperately want to caugh out, but couldn’t. ChatGpt told me to get Quercitin and Vitamin C. I’ve heard about this brand Thorne that athletes use so even tho more expensive than other brands - I gave it a try. Long and behold the sensation in the throat IS GONE. I don’t know the histamine levels, but it is obvious this works ### ⭐⭐⭐⭐⭐ Good additon to maintain health *by on Reviewed in the United Kingdom 1 September 2026* Great quality product whilst a little pricey, compliments my other vitamins. ### ⭐⭐⭐⭐⭐ Fab *by on Reviewed in the United Kingdom 30 January 2025* Fab would recommend ## Frequently Bought Together - THORNE Quercetin Phytosome - Exclusive Phytosome Complex for Immune Health, Respiratory Support, and Seasonal Allergy Relief* - 60 Capsules - THORNE NAC - N-Acetylcysteine - 500mg - Supports Respiratory Health and Immune Function*; Promotes Liver and Kidney Detox - 90 Capsules - THORNE Vitamin D-5000 - Vitamin D3 Supplement - Support Healthy Bones, Teeth, Muscles, Cardiovascular, and Immune Function* - NSF Certified for Sport - Dairy-Free, Soy-Free - 60 Capsules --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/85784120-thorne-quercetin-phytosome-60-capsules](https://www.desertcart.sg/products/85784120-thorne-quercetin-phytosome-60-capsules) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-17*