Quercetin 500 mg®
Non-Nutrient / Non-BotanicalBrand: NOW
Functions
Net Contents
100 Veg Capsule(s)
Serving Size
2 Capsule(s)
Servings Per Container
50
Supplement Form
Capsule
Bar Code (UPC/SKU)
7 33739 03072 6
Product Version
CODE 3072B V3
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Vegan, Vegetarian, Non-GMO, Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 2 Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Quercetin | 1 Gram(s) | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested usage: take 2 capsules daily with a meal.
Warnings & Precautions
Precautions re: Children
Caution: for adults only.
Precautions re: Pregnant or Nursing or Prescription Medications
Quercetin may interact with a variety of medications; consult a physician before using this product if taking prescription drugs. Consult a physician if pregnant/nursing, or have a medical condition (especially kidney function).
Precautions re: Children
Keep out reach of children.
Precautions re: Allergies
Citrus free. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Storage
Storage
Store in a cool, dry place after opening.
Formulation
Formula re: Contains
Quercetin is a naturally occurring free radical scavenger that supports healthy seasonal immune system function. Laboratory studies have demonstrated that quercetin can also help to promote normal respiratory function.
Formulation re: Other
Natural color variation may occur in this product.
Formulation re: Other
Respiratory health Supports healthy seasonal immune function
Formulation re: Does NOT Contain
Non-gmo
Formulation re: Vegetarian/Vegan
Vegetarian/vegan
Formulation re: Other
Made and quality tested in the USA with globally sourced ingredients.
Formulation re: Does NOT Contain
Citrus free. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.
FDA Statements
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.
FDA Statement of Identity
A Dietary Supplement
Other Label Statements
General Statements: All Other Content
Capsule size
General Statements: All Other Content
General health
General Statements: All Other Content
Family owned since 1968.
Seals/Symbols
Quality GMP Assured
Manufacturer & Distributor
Manufacturer
NOW Foods
395 S. Glen Ellyn Rd., Bloomingdale, IL, 60108, USA
Market Reference
NOW Quercetin 500 mg
iHerb4.8(1300)$21.42Now Quercetin with Bromelain
Walmart4.8(9200)$15.99(2 pack) NOW Supplements, Quercetin 500 mg, Respiratory Health*, Supports Healthy Seasonal Immune Function*, 100 Veg Capsules
Walmart - Fruitful Yield4.8(1300)$41.00Now Foods Quercetin Phytosome
PureFormulas.com4.8(158)$19.52NOW NAC Quercetin & Zinc
Swanson Health Products4.8(225)$25.59(2 pack) NOW Supplements, Quercetin with Bromelain, Balanced Immune System*, 60 Veg Capsules, Green
Walmart - Fruitful Yield4.8(9200)$29.72NOW Foods NAC Quercetin & Zinc
NOW4.8(225)$39.99NOW Quercetin Bromelain 120 Caps - The Food Mill
The Food Mill4.8(9200)$14.02
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.
Supplement Superstore
5.0 (659)Vitamin & supplements store
8184 N Lindbergh Blvd, Florissant, MO 63031
GNC
3.7 (34)Vitamin & supplements store
206 N Hwy 67, Florissant, MO 63031
Day Light Nutrition
4.7 (71)Vitamin & supplements store
8565 Airport Rd, Berkeley, MO 63134
CVS Pharmacy
4.2 (33)Pharmacy
2183 Charbonier Rd, Florissant, MO 63031
Blue Sky Nutrition
3.6 (84)Health food store
8 Grandview Plaza Shopping Center, Florissant, MO 63033
African Naturals
4.7 (107)Vitamin & supplements store
2715 N Hwy 67, Florissant, MO 63033
GNC
4.3 (36)Vitamin & supplements store
11274 W Florissant Ave #1274, Florissant, MO 63033
CVS
2.8 (206)Vitamin & supplements store
696-698 N Hwy 67, Florissant, MO 63031
Research & Studies
Molecular and physiological actions of quercetin: need for clinical trials to assess its benefits in human disease
SL Miles, M McFarland, RM Niles - Nutrition reviews, 2014 - academic.oup.com
… Compared with placebo, quercetin oral supplementation with … or healthy volunteers demonstrated that quercetin enhanced … emphasis on translational research, now is the time to …
2014159 citationsEffects of the dietary flavonoid quercetin upon performance and health
JM Davis, EA Murphy… - Current sports medicine …, 2009 - journals.lww.com
… to evaluate this novel dietary supplement further. This article … d of quercetin (500 mg twice daily, a dose similar to the 12.5 mg·… neurological diseases that are now known to be associated …
2009311 citationsThe dietary flavonoid quercetin increases VO2max and endurance capacity
JM Davis, CJ Carlstedt, S Chen… - … journal of sport …, 2010 - journals.humankinetics.com
… In addition, evidence now shows that quercetin and other … supplementation with quercetin (500 mg twice daily for just 7 days) increased both VO2max and endurance capacity in healthy …
2010218 citationsBenefits of quercetin on glycated hemoglobin, blood pressure, PiKo-6 readings, night-time sleep, anxiety, and quality of life in patients with type 2 diabetes …
AE Mantadaki, M Linardakis, M Tsakiri… - Journal of Clinical …, 2024 - mdpi.com
… quercetin dihydrate supplement containing a 500 mg dosage … Until now, anxiety mitigation by quercetin was unexplored in … investigate potential health benefits associated with quercetin …
202415 citationsSafety aspects of the use of quercetin as a dietary supplement
S Andres, S Pevny, R Ziegenhagen… - Molecular nutrition & …, 2018 - Wiley Online Library
… health aspects regarding the safe use of quercetin as … 500 mg quercetin with 500 mg vitamin C and 20 mg nicotinamide per day or 1000 mg quercetin with 1000 mg vitamin C and 40 mg …
2018712 citationsPotential pharmacological effect of Quercetin Phytosome™ in the management of hyperuricemia: results from real-life clinical studies
F Di Pierro, F Rabbani, M Tareen, R Nigar… - Frontiers in …, 2025 - frontiersin.org
… oral supplemental quercetin, specifically Quercetin Phytosome™ (QP), in three distinct cohort studies involving healthy … ® 500 mg tablet contained 500 mg of QP, equivalent to 200 mg of …
202512 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-07-18. DSLD Label ID: 292058. 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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