Products
Label data from official national databases and brand websites, as declared; not lab-verified.
| Brand | Product | Per day | Country | Source | |
|---|
| Samsara Herbs | Quercetin (98% + Pure Extract) | 3,531 mg | United States | US NIH DSLD |
|
| Samsara Herbs | Quercetin (98% + Pure Extract) | 3,531 mg | United States | US NIH DSLD |
|
| AN Amazing Nutrition Amazing Formulas | Quercetin Berberine 500 mg | 250 mg | United States | US NIH DSLD |
|
| AN Amazing Nutrition Amazing Formulas | Quercetin Berberine 500 mg | 250 mg | United States | US NIH DSLD |
|
| Double Wood Supplements | Quercetin with Bromelain 1200 mg | 3,000 mg | United States | US NIH DSLD |
|
| BIOVEA | Quercetin 250 mg | 500 mg | United States | US NIH DSLD |
|
| Herbadiet | Quercetin with Bromelain | 800 mg | United States | US NIH DSLD |
|
| Garden of Life Dr. Formulated | Quercetin Drop Uric Acid | 570 mg | United States | US NIH DSLD |
|
| Swanson Ultra | Resveratrol & Quercetin with Grape Seed Extract | 250 mg | United States | US NIH DSLD |
|
| NOW | Quercetin with Bromelain | 1,600 mg | United States | US NIH DSLD |
|
| Wonder Laboratories | Quercetin plus Vitamin C | 500 mg | United States | US NIH DSLD |
|
| Carlson | Quercetin 500 mg | 500 mg | United States | US NIH DSLD |
|
| Life Extension | Optimized Quercetin 250 mg | 1,000 mg | United States | US NIH DSLD |
|
| LuckyVitamin | Quercetin with Bromelain | 1,600 mg | United States | US NIH DSLD |
|
| Viva Vitamins | Quercetin 500 mg | 500 mg | United States | US NIH DSLD |
|
| Terry Naturally | Quercetin with Vitamin C | 50 mg | United States | US NIH DSLD |
|
| NATURELO Premium Supplements | Quercetin with Citrus Bioflavonoids | 500 mg | United States | US NIH DSLD |
|
| KAL | Quercetin 1000 mg | 1,000 mg | United States | US NIH DSLD |
|
| LuckyVitamin | Quercetin with Bromelain | 1,600 mg | United States | US NIH DSLD |
|
| Nature's Way | Quercetin Gummies Lemon Flavored | 125 mg | United States | US NIH DSLD |
|
| Foster Regal | Quercetin Plus Vitamin C | 500 mg | United States | US NIH DSLD |
|
| Good 'N Natural | Quercetin plus Vitamin C | 500 mg | United States | US NIH DSLD |
|
| Swanson Premium Brand | High Potency Quercetin 650 mg | 1,300 mg | United States | US NIH DSLD |
|
| Swanson | Quercetin 475 mg High Potency | 950 mg | United States | US NIH DSLD |
|
| LifeSeasons Essentials | Quercetin Flavonoid 1,000 mg | 1,000 mg | United States | US NIH DSLD |
|
| EuroMedica | Quercetin plus Vitamin C | 50 mg | United States | US NIH DSLD |
|
| Longevity Medical Clinic | Quercetin | 1,600 mg | United States | US NIH DSLD |
|
| Pure Encapsulations | Quercetin | 1,000 mg | United States | US NIH DSLD |
|
| Nature's Way | Quercetin Gummies Lemon Flavored | 125 mg | United States | US NIH DSLD |
|
| Pure Encapsulations | Quercetin | 1,000 mg | United States | US NIH DSLD |
|
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For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.