Longevity Club



Essential Nutrient.


Quercetin:  600mg per serving.

Recommended Use:

As a dietary supplement, adults take 1 (one) capsule, two times per day.

Take with food to prevent stomach upset.

General Information and Actions:

Quercetin is an antioxidant that helps protect cells against oxidative damage caused by free radicals.

Quercetin is used in Herbal Medicine as a capillary/blood vessel protectant.

Duration of Use:

Consult a health care practitioner/health care provider/health care professional/doctor/physician for use beyond 12 weeks.

Cautions and Warnings:

Consult a health care practitioner prior to use if you are pregnant or breastfeeding.


1.Boots AW, Haenen GR, Bast A. Health effects of quercetin: from antioxidant to nutraceutical. European Journal of Pharmacology 2008;582(2-3):325-37.

2.ChemID 2012: ChemIDplus advanced [Internet]. Quercetin: CAS # 117-39-5. Bethesda (MD): United States National Library of Medicine; 2011. [Accessed 2019 May 16]. Available from: http://chem.sis.nlm.nih.gov/chemidplus

3.Duke 1992: Dr. Duke's Phytochemical and Ethnobotanical Databases. Plants containing quercetin, 1992 [Internet]. [Accessed 2019 May 16]. Available from: https://phytochem.nal.usda.gov/phytochem/search/list

4.Egert S, Wolffram S, Bosy-Westphal A, Boesch-Saadatmandi C, Wagner AE, Frank J, Rimbach G, Mueller MJ. Daily quercetin supplementation dose-dependently increases plasma quercetin concentrations in healthy humans. The Journal of Nutrition 2008;138,1615-1621.

5.Lamson DW, Brignall MS. Antioxidants and cancer, part 3: quercetin. Alternative Medicine Review 2000;5(3):196-208.

6.Martindale 2011: Sweetman SC, editor. Martindale: The Complete Drug Reference [Internet]. Quercetin: CAS: 117-39-5. London (GB): Pharmaceutical Press; 2012. [Accessed 2019 May 16]. Available from: http://www.medicinescomplete.com

7.Murray MT, Bongiorno PB. Flavonoids-Quercetin, Citrus Flavonoids, and Hydroxyethylrutosides. In: Pizzorno JE, Murray MT, editors. Textbook of Natural Medicine, Third edition, volume 1. St. Louis (MI): Churchill Livingstone Elsevier; 2006. p. 967-973.  

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