2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one

244licensed products
1 monograph
Capsule, Powder, Capsule, hard +2

Health Canada Monographs

1
QUERCETIN
Oral

Approved Health Claims

3
  • Source of (an) antioxidant(s)/Provides (an) antioxidant(s)
  • Source of (an) antioxidant(s)/Provides (an) antioxidant(s) that help fight/protect (cell) against/reduce (the oxidative effect of/the oxidative damage caused by/cell damage caused by) free radicals
  • Used in Herbal Medicine as a capillary/blood vessel protectant

Approved Dose Ranges

1
PopulationDose RangeFrequency
Adults 18 years and older600–1200 milligramsper day

Cautions & Contraindications

1
cautionAsk a health care practitioner/health care provider/health care professional/doctor/physician before use if you are pregnant or breastfeeding.

Alternative Names

5
Quercetin(common)Quercetin anhydrous(common)2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one3,3',4',5,7-Pentahydroxyflavone

Common Quantities in Licensed Products

10
100 mg44 licensed products
500 mg38 licensed products
25 mg32 licensed products
50 mg27 licensed products
250 mg19 licensed products
400 mg17 licensed products
600 mg16 licensed products
100 milligrams15 licensed products
12.5 mg14 licensed products
200 mg12 licensed products

Related Ingredients

8
QuercetinShared monograph3,3',4',5,7-PentahydroxyflavoneShared monographQuercetin AnhydrousShared monograph2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxychromen-4-oneShared monographVitamin CCo-occurs in 50 productsQUERCETINCovers this ingredientZincCo-occurs in 48 productsVitamin B6Co-occurs in 34 products

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