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: 1 Capsule(s) · 2 per day

Not Present

• 

  250 Capsules

  Wonder Laboratories5.0(3)

  $21.67
• 

  Quercetin & Bromelain W/ Vitamin C & Magnesium

  Wonder Laboratories5.0(7)

  $15.89
• 

  Wonderlabs 250 Capsules

  Wonder Laboratories5.0(1)

  $25.48
• 

  Quercetin Plus Vitamin C Formula 480

  EarthTurns.com

  $25.00
• 

  EuroMedica 60 Capsules

  Covenant Health Products

  $29.95
• 

  Nature's Bounty Antioxidant Capsules with Ester-C

  Meijer4.8(9)

  $26.99
• 

  The Vitamin Shoppe Quercetin + C

  The Vitamin Shoppe4.7(49)

  $24.99
• 

  Quercetin Plus Anti Oxydant & Immune Support

  Elevant UK

  $29.90

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.

• The Vitamin Shoppe

  4.5 (228)

  Vitamin & supplements store

  672 Sunrise Hwy, Valley Stream, NY 11581

  Directions(516) 256-4392

• GNC

  4.5 (160)

  Vitamin & supplements store

  204-25 Hillside Ave., Queens, NY 11423

  Directions(718) 464-4126

• The Vitamin Shoppe

  4.3 (205)

  Vitamin & supplements store

  107-60 Queens Blvd, Forest Hills, NY 11375

  Directions(718) 520-8147

• GNC

  4.0 (92)

  Vitamin & supplements store

  133-40 79th St, Queens, NY 11414

  Directions(718) 296-4107

• The Vitamin Shoppe

  4.2 (117)

  Vitamin & supplements store

  61-35 Junction Blvd, Rego Park, NY 11374

  Directions(718) 271-7314

• GNC

  4.1 (134)

  Vitamin & supplements store

  494 Gateway Dr, Brooklyn, NY 11239

  Directions(718) 277-0979

• The Vitamin Shoppe

  4.4 (122)

  Vitamin & supplements store

  8929 Avenue D C1, Brooklyn, NY 11236

  Directions(718) 629-2076

• The Vitamin Shoppe

  4.5 (167)

  Vitamin & supplements store

  205-04 Northern Blvd #1, Bayside, NY 11361

  Directions(718) 225-3209

• Quercetin for Respiratory Health-Mechanistic Insights and Therapeutic Potential across Viral Infections Influenza COVID 19 Allergic Rhinitis Asthma and …

  J Xu - Zenodo, 2025 - academia.edu

  … This wonder flavanol exhibits therapeutic potential in various ailments like cancer, coronary … Compared with small-molecule antioxidants such as vitamins C and E, quercetin exhibits …

  20252 citations

• Quercetin and vitamin C: an experimental, synergistic therapy for the prevention and treatment of SARS-CoV-2 related disease (COVID-19)

  RML Colunga Biancatelli, M Berrill… - Frontiers in …, 2020 - frontiersin.org

  … There is evidence that vitamin C and quercetin co-… capacity of ascorbate to recycle quercetin, increasing its efficacy. … for the use of vitamin C and quercetin both for prophylaxis in high-…

  2020693 citations

• Evaluation of the effect of zinc, quercetin, bromelain and vitamin C on COVID-19 patients

  A Kamel, H Abdelseed, Y Albalawi, E Aslsalameen… - MedRxiv, 2020 - medrxiv.org

  … supplements by evaluating the laboratory results pre- and post-supplements. Paired t-test … different lab tests before and after quercetin, bromelain, zinc and vitamin c combination …

  202012 citations

• Get Price Alerts

  PYB Armor - blog.priceplow.com

  … So we've cited some studies that show quercetin has synergistic pro-immunity effects when taken in combination with vitamin C and zinc... And we have generous doses of both in …

• Extraction and determination of quercetin and ascorbic acid simultaneously in tomatoes (Solanum lycopersicum L.) using mean centering of ratio spectra

  M Bachri, LR Nasution… - … Journal of Pharmacy and …, 2025 - indianjournals.com

  … Researchers have studied quercetin combined with vitamin C … the analysis of quercetin and ascorbic acid in laboratory and … Quercetin: A wonder bioflavonoid with therapeutic potential …

  20251 citations

• The Combination of Quercetin and Bromelain with Zinc, EGCG, Retinoic Acid, Vitamin C and Vitamin D for the potential Symptom Reducer, Prevention, and …

  A Ahmed, AA Kattan, M Elkazzaz, MC Orzechowski - 2019 - researchgate.net

  … in the future to ensure the efficacy of quercetin, bromelain, zinc, and vitamin c combination. … Quadruple therapy consisting of Zinc, Quercetin, Bromelain, and Vitamin C showed …

  20191 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-03-24. DSLD Label ID: 215600. 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.