Quercetin Complex®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Capsule(s) · 3 per day

Not Present

• 

  Thorne 60 Capsules

  Thorne4.8(516)

  $54.00
• 

  Quercetin Phytosome Thorne

  Thorne4.7(1200)

  $46.00
• 

  Quercetin Complex

  ThorneVet

  $54.00
• 

  Thorne Dietary Supplement

  Valley Integrative Pharmacy2.0(1)

  $46.00
• 

  Thorne Quercetin Complex (formerly Quercenase)

  The Healing and Wellness Center2.0(1)

  $54.00
• 

  Thorne Quercetin Complex Supplement | The Fitness Outlet

  Fitness Outlet4.8(516)

  $54.00
• 

  Thorne Quercetin Phytosome 60 Capsules

  hol+2.0(1)

  $46.00
• 

  Quercetin Complex (formerly Quercenase) by Thorne

  Cincinnati Health Institute4.8(516)

  $54.00

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• Total Nutrition Miami

  4.8 (175)

  Vitamin & supplements store

  900 S Miami Ave Suite#128, Miami, FL 33130

  Directions(786) 431-5124

• Supplement Warehouse

  4.9 (525)

  Vitamin & supplements store

  4643 S University Dr, Davie, FL 33328

  Directions(954) 434-3693

• The Vitamin Shoppe

  4.2 (206)

  Vitamin & supplements store

  3301 SW 22nd St #101, Miami, FL 33145

  Directions(305) 569-0525

• Vida Supplement

  4.8 (56)

  Vitamin & supplements store

  1900 Coral Wy # 205, Miami, FL 33145

  Directions(305) 780-3339

• Florida Discount Nutrition

  5.0 (1272)

  Vitamin & supplements store

  8420 Mills Dr, Kendall, FL 33183

  Directions(786) 558-4841

• The Vitamin Shoppe

  4.6 (129)

  Vitamin & supplements store

  8303 S Dixie Hwy, Miami, FL 33143

  Directions(305) 666-2878

• Florida Discount Nutrition Superstore

  5.0 (1102)

  Vitamin & supplements store

  14144 SW 8th St, Miami, FL 33184

  Directions(786) 452-7369

• The Vitamin Shoppe

  4.3 (113)

  Vitamin & supplements store

  1119 5th St, Miami Beach, FL 33139

  Directions(305) 673-6396

• A flavonoid on the brain: quercetin as a potential therapeutic agent in central nervous system disorders

  D Wróbel-Biedrawa, K Grabowska, A Galanty… - Life, 2022 - mdpi.com

  … A daily oral dose of 1000 mg of Que (Thorne Research ® , … Quercetin (Que) is a safe, health-protective, and common … used only as a diet supplement supporting health and not as a …

  2022126 citations

• Exploring the Therapeutic Potential of Paclitaxel, Naringenin, and Quercetin: Structural Insights, Mechanisms of Action, and Drug Development Perspectives

  Komal, L Singh - ASSAY and Drug Development …, 2025 - journals.sagepub.com

  … , quercetin is offered as quercetin powder by NOW Foods and quercetin capsules by Nature’… Another formulation that promotes immune health is Thorne Research’s quercetin complex. …

  20251 citations

• Quercetin LipoMicel—a novel delivery system to enhance bioavailability of quercetin

  J Solnier, C Chang, K Roh, M Du, YC Kuo… - … of Natural Health …, 2021 - researchgate.net

  … quercetin in a novel Quercetin LipoMicel delivery system in healthy adult volunteers by comparing it with free quercetin … ) were manufactured and purchased from Thorne Research Inc. (…

  202118 citations

• Best Quercetin Supplements for MCAS and Histamine Intolerance (2026 Buyer's Guide) Your complete guide to the most researched mast cell stabilizer

  P Nathaniel - mynourishly.com

  … already tolerate supplements well and want stronger absorption, Thorne Quercetin Phytosome … Disclaimer: This article is for informational purposes only and does not constitute medical …

• In vitro and ex vivo anti-inflammatory activity of quercetin in healthy volunteers

  AW Boots, LC Wilms, ELR Swennen, JCS Kleinjans… - Nutrition, 2008 - Elsevier

  … health effects of quercetin. As long as no enhanced ROS production is expected, a healthy … sufficient antioxidants and makes antioxidant supplementation superfluous. Actually, this has …

  2008328 citations

• Quercetin reduces illness but not immune perturbations after intensive exercise

  DC Nieman, DA Henson, SJ Gross, DP Jenkins… - Medicine & Science in …, 2007 - ovid.com

  … One study showed that 6 wk of quercetin supplementation … the performance advantage with quercetin use may have been … filled in a health log during the 5-wk supplementation period, …

  2007303 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-02-23. DSLD Label ID: 328840. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.