Net Contents
300 Capsule(s)
Serving Size
2 Capsule(s)
Servings Per Container
150
Supplement Form
Capsule
Bar Code (UPC/SKU)
7 66536 01268 8
Product Version
Item No. VS-1268 1042888 HT 1
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
2 distinct active ingredients are disclosed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report a %DV; 1 meet or exceed 100% DV.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Milk
- Soy
- Gluten
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.
Supplement Facts
Serving Size: 2 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Vitamin C(Ascorbic Acid) | 1400 mg | 1555% |
| Quercetin Dihydrate | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Take two (2) capsules daily, preferably with meals.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: Consult your healthcare provider prior to use if you are pregnant, nursing, taking any medication or have any medical conditions.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Tamper evident Do not use if outer seal is broken or missing.
Storage
Storage
Store in a cool, dry place.
Formulation
Formulation re: Does NOT Contain
Citrus free
Formulation re: Other
Immune support Seasonal health Antioxidant support
Formulation re: Does NOT Contain
Gluten-free Dairy-free Soy-free Nut-free Does not contain: Gluten, sugar, salt, preservatives, artificial colors or flavors.
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
Other Label Statements
General Statements: All Other Content
Vitamin
Seals/Symbols
Quality promise Tested & trusted
Manufacturer & Distributor
Distributor
Vitamin Shoppe, Inc.
Secaucus, NJ, 07094
1-866-293-3367
Market Reference
Natural Factors C Extra + Quercetin
The Vitamin Shop4.8(397)$14.59Nature's Bounty Antioxidant Capsules with Ester-C
Walmart4.8(12)$19.77Vitacost Quercetin & Vitamin C
iHerb4.2(20)$22.49Life Extension 60 Tablets
Walmart - Life Extension Buyers Club4.8(2900)$7.50LowestIntegrative Therapeutics 180 Capsules
mindbodysoul4.6(23)$42.50Terry Naturally Quercetin with Vitamin C Extra Strength
The Healthy Place4.8(38)$23.96Maxi Health Quercetin Max Vitamin C
Walmart - ValueVista4.8(17)$32.98Vitacost Advan-C with Quercetin & Citrus Bioflavonoids
iHerb4.7(302)$15.67
Where to Buy Locally
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.
Fitness boutique
5.0 (102)Vitamin & supplements store
48 Rue du Chevaleret, 75013 Paris
Borgo Paris Nutrition
5.0 (190)Vitamin & supplements store
23 Rue Faidherbe, 75011 Paris
Les Confiantes
4.6 (13)Vitamin & supplements store
Metro 8 Station Liberté Bus 24 ou 109 Arrêt Centre commercial, 4 Pl. de l'Europe Centre commercial bercy2 1er étage, 94220 Charenton-le-Pont
Vitamin Shop Paris 19
5.0 (253)Vitamin & supplements store
72 bis Av. de Flandre, 75019 Paris
Profitness.fr
4.9 (416)Vitamin & supplements store
93/95 Av. du Général Leclerc, 75014 Paris
OUTFIT Workout Nutrition Paris
5.0 (113)Vitamin & supplements store
122 Bd Voltaire, 75011 Paris
BioTechUSA Okabé
4.9 (258)Vitamin & supplements store
55-69 Av. de Fontainebleau, 94270 Le Kremlin-Bicêtre
FitnessBoutique
4.7 (361)Vitamin & supplements store
131 Boulevard de Charonne, 75011 Paris
Research & Studies
Potential of quercetin in combination with antioxidants of different polarity incorporated in oil-in-water nanoemulsions to control enzymatic browning of apples
AM Mendoza-Wilson, RR Balandrán-Quintana… - Journal of Molecular …, 2022 - Elsevier
… ability and possible mechanisms of action of quercetin and quercetin-3-rhamnoside to inhibit … that quercetin may be a more effective reducing agent than ascorbic acid and quercetin-3-…
202222 citationsQuercetin with vitamin C and niacin does not affect body mass or composition
AM Knab, RA Shanely, F Jin, MD Austin… - Applied physiology …, 2011 - cdnsciencepub.com
… of 2 different doses of quercetin, combined with vitamin C and niacin, on body mass and … quercetin in this investigation was combined with vitamin C and niacin to improve quercetin …
201137 citationsEffect of freezing and storage on the phenolics, ellagitannins, flavonoids, and antioxidant capacity of red raspberries
W Mullen, AJ Stewart, MEJ Lean… - Journal of Agricultural …, 2002 - ACS Publications
… vitamin C ( 17), but on a mole to mole basis, the response is ca. 10% of that of flavonols such as quercetin… minor or offset by the decline in vitamin C in shop and home fruit (Table 4). The …
2002308 citationsThe variable plasma quercetin response to 12-week quercetin supplementation in humans
F Jin, DC Nieman, RA Shanely, AM Knab… - European journal of …, 2010 - nature.com
… data support the addition of vitamin C and niacin to quercetin supplements to enhance … of quercetin, vitamin C, and niacin compared with a blank placebo on the plasma quercetin …
2010100 citationsOverview of the possible role of vitamin C in management of COVID-19
A Abobaker, A Alzwi, AHA Alraied - Pharmacological Reports, 2020 - Springer
… vitamin C potentiates the pharmacological effect of flavonoid [55], the combined use of vitamin C and Quercetin … Having said that, there is a suggestion that vitamin C and Quercetin can …
2020214 citationsThe 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 2019-11-21. DSLD Label ID: 208922. 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.
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