Products

Label data from official national databases and brand websites, as declared; not lab-verified.

Ingredient

Min (mg)

Max

Country

Dosage form

Source

Brand	Product	Per day	Country	Source
Newflower Farmers Markets	Quercetin 500 Plus	500 mg	United States	US NIH DSLD
Vitamin Discount Center	Quercetin 500 Plus	500 mg	United States	US NIH DSLD
NutriCology	Quercetin 300	450 mg	United States	US NIH DSLD
Allergy Research Group	Coenzyme Q10 30 mg With Vitamin C	1,620 mg	United States	US NIH DSLD
NutriCology	Coenzyme Q10 50 mg with Vitamin C	300 mg	United States	US NIH DSLD
Allergy Research Group	Quercetin 300	450 mg	United States	US NIH DSLD
NutriCology	Coenzyme Q10 30 mg with Vitamin C	1,620 mg	United States	US NIH DSLD
ProCaps Laboratories	CoEnzyme Q10-200	300 mg	United States	US NIH DSLD
Allergy Research Group	Coenzyme Q10 50 mg with Vitamin C	300 mg	United States	US NIH DSLD
Nature's Plus	Quercetin Plus W/ Bromelain & Vit. C	300 mg	United States	US NIH DSLD
NutriFlair	Quercetin 1200 mg	200 mg	United States	US NIH DSLD
VitaCeutical Labs	Quercetin Complex	100 mg	United States	US NIH DSLD
NutriCology	Coenzyme Q10 with Tocotrienols	5 mg	United States	US NIH DSLD
NutriCology	Coenzyme Q10 with Tocotrienols	5 mg	United States	US NIH DSLD
NutriCology	Coenzyme Q10 with Tocotrienols	5 mg	United States	US NIH DSLD
Source Naturals	Activated Quercetin	788 mg	United States	US NIH DSLD
Source Naturals	Activated Quercetin	1,576 mg	United States	US NIH DSLD
Source Naturals	Activated Quercetin	1,576 mg	United States	US NIH DSLD
Source Naturals	Activated Quercetin	788 mg	United States	US NIH DSLD
Source Naturals	Activated Quercetin	788 mg	United States	US NIH DSLD
Douglas Laboratories	Quercetin Bromelain Complex	600 mg	United States	US NIH DSLD
Source Naturals	Activated Quercetin	646 mg	United States	US NIH DSLD
Solgar	Quercetin Complex	1,000 mg	United States	US NIH DSLD
ProCaps Laboratories	Quercetin 500	25 mg	United States	US NIH DSLD
Natural Factors	Bioactive Quercetin EMIQ	100 mg	United States	US NIH DSLD
Cardiovascular Research	Quercetin-C	200 mg	United States	US NIH DSLD
ProCaps	Quercetin 500	25 mg	United States	US NIH DSLD
Garden of Life Dr. Formulated	Quercetin Immune+	90 mg	United States	US NIH DSLD
Bluebonnet	Super Quercetin	500 mg	United States	US NIH DSLD
BioCare	Quercetin Complex	270 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.