Item# Name Size & Form Brand Price Retail Actions
Item# 369369 Optimized Quercetin
by Life ExtensionLife Extension $16.50 (retail $22.00)$22.00 Wishlist
Optimized Quercetin

Supplement Facts

Serving Size: 1 Vegetarian Capsule

Amount per
% Daily*

Vitamin C (from Camu Camu berry extract)




Optimized Quercetin Food Blend
(supplying 250 mg quercetin)
Quercetin dihydrate, onion (Allium cepa L.) extract (bulb) (providing polyphenols, free quercetin, quercetin glycosylated derivatives), apple (Pyrus malus) polyphenol extract (fruit), buckwheat (Fagopyrum esculentum) powder (sprout)




Camu Camu (Myrciaria dubia) extract (wildcrafted berry)




*Percent Daily Values are based on the 2000 Calorie Diet. Your daily values may be higher or lower depending on your calorie needs.
**Daily value not established.

Other Ingredients:
vegetable cellulose (capsule), silica, magnesium stearate, microcrystalline cellulose, maltodextrin.

Contains: corn.

Contains no: milk, egg, fish, peanuts, crustacean shellfish (lobster, crab, shrimp), soybeans, tree nuts, wheat, yeast, gluten, or rice. Contains NO sugar, and no artificial sweeteners, flavors, colors, or preservatives.

Take one capsule once or twice daily with or without food, or as recommended by a healthcare practitioner.

Quercetin is a bioflavonoid that supports cellular health and function. In human cell culture studies, it has been shown to block the manufacture and release of inflammation-causing substances,108,109 which can help support a healthy immune response to the seasonally changing environment. It also helps promote a healthy cardiovascular system by preserving endothelial integrity110 and supporting healthy blood glucose levels for those already within normal range.111 Optimized Quercetin is a proprietary formulation that sets the “gold standard” for high-quality quercetin derived from a food-source blend.


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*Statements on this site have not been evaluated by the Food and Drug Administration. Products on this site are not intended to diagnose, treat, cure, or prevent any disease.

Prices are subject to change at anytime and without notice. The majority of the product information has been reprinted from the manufacturer.