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)

  $25.49
• 

  Quercetin & Bromelain W/ Vitamin C & Magnesium

  Wonder Laboratories5.0(7)

  $18.69
• 

  Wonderlabs 250 Capsules

  Wonder Laboratories5.0(1)

  $29.98
• 

  Quercetin Plus Vitamin C Formula 480

  EarthTurns.com

  $25.00
• 

  Antioxidant Support Fitness for Fathers Fitness

  For Fathers Fitness

  $39.97
• 

  Quercetin Plus Anti Oxydant & Immune Support

  Elevant UK

  $34.10
• 

  Quercetin 500-Plus Antioxidant Vitamin C

  Zen Supplements

  $23.99
• 

  Quercetin with Vitamin C and Zinc Quercetin 500mg Quercetin with Bromelain Zinc Quercetin Stinging Nettle 240 V

  Walmart - Gflow Vitamins

  $44.97

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.

• Holland & Barrett - Strand

  3.7 (51)

  Vitamin & Supplements Shop

  406-408 Strand, London WC2R 0NE

  Directions0330 058 2640

• ITL Health

  5.0 (37)

  Vitamin & Supplements Shop

  50 Broadway, London SW1H 0BL

  Directions0118 321 7628

• Nutriburst

  4.6 (30)

  Manufacturer

  8 Waterloo Pl, London SW1Y 4BN

  Directions020 3943 8201

• Protiv Nutrition

  5.0 (1)

  Vitamin & Supplements Shop

  3rd Floor, 207 Regent St., London W1B 3HH

  Directions07442 915758

• Holland & Barrett - Covent Garden

  3.7 (60)

  Vitamin & Supplements Shop

  39 Long Acre, London WC2E 9LG

  Directions0330 058 2640

• Holland & Barrett - Victoria Street

  4.2 (60)

  Vitamin & Supplements Shop

  86 Victoria St, London SW1E 5JL

  Directions020 7828 6147

• Holland & Barrett - Tottenham Court Road 2

  4.2 (52)

  Vitamin & Supplements Shop

  253-254, 253-254 Tottenham Ct Rd, The Avenue, London W1T 7RD

  Directions0330 058 2640

• Holland & Barrett - Oxford Street

  3.8 (192)

  Vitamin & Supplements Shop

  146, 148 Oxford St, London W1D 1NA

  Directions0330 058 2640

• 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-…

  2020697 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

• Influence of chitosan-based edible coating on the shelf life and nutritional quality of guava (Psidium guajava L.) fruit in room and refrigerated temperatures

  A Shamshad, AFA Razis, S Usman, NB Ali, A Mumtaz… - 2021 - preprints.org

  … in m compared to refrigerated temperature (4 C). The chitosan-coated samples have shown a greater amount of vitamin C, quercetin, rutin, and total phenolic contents than control …

  20215 citations

• Traditional Sweet Peppers as Resources for Internal Fruit Quality: Evidence from Experimental F1 Hybrids Across Two Organic Growing Environments

  M Jiménez-Pérez, M Boscaiu, A Rodríguez-Burruezo - Agriculture, 2026 - mdpi.com

  … Hybrids were generated by crossing these traditional materials with two California Wonder-… some flavonoids, particularly quercetin (ρ = −0.45 to −0.55). Vitamin C was also negatively …

  2026

• Coupling of chromatographic analyses with pretreatment for the determination of bioactive compounds in Emblica officinalis juice

  V Bansal, A Sharma, C Ghanshyam, ML Singla - Analytical Methods, 2013 - pubs.rsc.org

  … of vitamin C (ascorbic acid), phenolic acids (gallic acid and ellagic acid), hydroxycinnamic acid (chlorogenic acid) and flavonoids (myricetin, quercetin … as a wonder herb because of its …

  201352 citations

• In Vitro Bioactivity, Polyphenols, Antioxidant Properties, and Sensory Quality of Al-Qassim Berry-Enhanced Matcha Tea as a Function of Extraction …

  RFM Ali, RM Alhomaid, NAM Aleid - Foods, 2026 - mdpi.com

  … (25 C) for 3 h, then ground into fine powders using a laboratory mill (… Results were expressed as milligrams of quercetin … vitamin C levels only under cold extraction conditions. The high …

  2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-12-18. DSLD Label ID: 262496. 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.