Quercetin Plus Vitamin C®

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: 2 Capsule(s) · 1 per day

Not Present

Ingredients

• 

  Vitamin World Vitamin C 1000 mg with Bioflavonoids

  Vitamin World USA5.0(1)

  $13.59
• 

  VitC Boost 120 Count Gummies

  Vitamin World USA4.3(3)

  $12.74
• 

  Quercetin Plus Vitamin C Formula 480

  EarthTurns.com

  $25.00
• 

  Caplets C-Complex 1000mg

  Target

  $21.99
• 

  250 Capsules

  Wonder Laboratories5.0(3)

  $13.49
• 

  Natural Factors C Extra + Quercetin

  Walmart - Pattern4.8(397)

  $13.97
• 

  EuroMedica Quercetin Plus Vitamin C

  Blue Sky Vitamin

  $29.95
• 

  Quercetin Plus with Bromelain & Vitamin C

  Vitacost.com4.6(111)

  $19.08

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• The Vitamin Shoppe

  4.5 (102)

  Vitamin & supplements store

  81-27 37th Ave, Jackson Heights, NY 11372

  Directions(718) 396-2822

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  100 Park Ave, New York, NY 10017

  Directions(800) 633-1106

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  11800 NW 102nd Rd #2, Medley, FL 33178

  Directions(800) 383-6008

• The Vitamin Shoppe

  4.2 (111)

  Vitamin & supplements store

  601 W Roosevelt Rd, Chicago, IL 60607

  Directions(312) 243-0094

• The Vitamin Shoppe

  4.4 (105)

  Vitamin & supplements store

  2460 Market St NE #701, Washington, DC 20018

  Directions(202) 269-0809

• The Vitamin Shoppe

  4.4 (223)

  Vitamin & supplements store

  4801 S Hulen St Ste 108, Fort Worth, TX 76132

  Directions(817) 423-4326

• The Vitamin Shoppe

  4.2 (136)

  Vitamin & supplements store

  2705 N Elston Ave, Chicago, IL 60647

  Directions(773) 235-8370

• The Vitamin Shoppe

  4.5 (201)

  Vitamin & supplements store

  818 Pelham Pkwy, Pelham, NY 10803

  Directions(914) 654-4812

• Beneficial Synergistic Roles of Flavonoids and Vitamin C Against Inflammatory Complications, Cancer, and Cardiovascular Diseases: A Comprehensive …

  V Chrysikopoulou, A Rampaouni, T Adamantidi… - Applied Sciences, 2026 - mdpi.com

  … Vitamin C (ascorbic acid) is another widely studied dietary bioactive compound with … plus a hydroxyl group at C 3 (eg, quercetin, kaempferol), while flavanones share a saturated …

  20262 citations

• Quercetin and vitamin C mitigate cobalt chloride-induced hypertension through reduction in oxidative stress and nuclear factor kappa beta (NF-Kb) expression in …

  T Ajibade, A Oyagbemi, T Omobowale… - Biological trace …, 2017 - search.ebscohost.com

  … , is essential for the synthesis of several biomolecules including collagen, carnitine, neurotransmitters and hormone, and for the metabolism of some amino acids and vitamins [15]. High …

  201750 citations

• The therapeutic and prophylactic potential of quercetin against COVID-19: An outlook on the clinical studies, inventive compositions, and patent literature

  M Imran, HK Thabet, SI Alaqel, AR Alzahrani, A Abida… - Antioxidants, 2022 - mdpi.com

  … a composition comprising quercetin, vitamin C, and bromelain … l-lysine, vitamin C, vitamin D, and vitamin E. The clinical … Quina tree bark extract and quercetin), along with vitamins C/D3/E…

  202286 citations

• Evaluation of the combination effect of rutin and vitamin C supplementation on the oxidative stress and inflammation in hemodialysis patients

  S Omar, RM El Borolossy, T Elsaid… - Frontiers in …, 2022 - frontiersin.org

  … of rutin and vitamin C versus vitamin C alone on oxidative … 1 were given a rutin/vitamin C combination (Ruta C group as the … Quercetin (a metabolite of Rutin) displays a broad spectrum …

  202231 citations

• Pharmacological activity of spinacia oleracea linn.-a complete overview

  D Metha, S Belemkar - … Journal of Pharmaceutical Research and …, 2014 - academia.edu

  … Spinach is packed with vitamins such as vitamin C, vitamin A and vitamin E and minerals like … It is a good source of the bioflavonoid quercetin with many other flavonoids which exhibits …

  201460 citations

• … enhancement of matcha tea with strawberry (Qassim region) aqueous extracts: Influence of extraction temperature on phytochemicals, vitamin C, and …

  NAM Aleid, RM Alhomaid, RFM Ali, R Alayouni - Frontiers in Nutrition, 2026 - frontiersin.org

  … using a calibration curve established with quercetin standards (20–100 mg/… vitamin C retention (r = −0.98 for MT, −0.96 for ST; p < 0.05) confirms the extreme heat lability of ascorbic acid…

  20261 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2011-11-25. DSLD Label ID: 1745. 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.