Quercetin Dihydrate Powder

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Quercetin puts a stop on the body secreting Histamine. Histamine is a chemical that causes allergic reactions in people. Not the type of allergic reactions someone who is allergic to food might have, but those caused by the environment which include symptoms like sneezing and swelling.

Though Quercetin provides coloring for many different plants and sources, it can be found in the highest concentrations in citrus fruits, onions, apples, parsley, red wine, and certain kinds of tea. Foods that are generally high in flavonoids that also include Quercetin are dark berries, olive oil, cherries, and grapes. The darker the fruit, the more flavonoids present.

Health Benefits Provided by Quercetin

Quercetin, as an antioxidant, helps protect against free radical damage. Free radicals are harmful molecules in the body that are known for going on the offensive and attacking healthy cells, taking apart their DNA and damaging the cell walls. It also protects blood cells as well.

Quercetin enhances the body's absorption of Vitamin C and allows the content of Vitamin C within the body to proliferate more strongly. This is good because Vitamin c itself is another type of antioxidant.

Supplement Facts
Serving size: 500 milligrams
Serving per container: *
Amount Per Serving % Daily Value**
Quercetin... 500mg *
* Daily Value not established.
** Based on 2,000 calorie diet


Sugar, soy, dairy, yeast, gluten, corn and additives

As a dietary supplement, take 250mg to 500mg once or twice daily, or as directed by physician. 


There are no fillers of any kind present in this solution. It is notably soluble in oils (olive, coconut, etc.), and does not mix easily into water. It has no discernible flavor and should be stored in an area that is free from light, heat and moisture in order to preserve potency.


As long as suggested serving sizes are adhered to, it is unlikely that Quercetin will result in any negative side effects. Those who use Quercetin while also consuming citrus fruits or Vitamin C supplements may have some issues involving oral sores, upset stomach or headache. Since Quercetin may have an effect on blood flow, it is best to avoid this product if you are at risk for blood clotting or if you have high blood pressure.

Quercetin may also hamper the effectiveness of some antibiotics. If taking Felodipine or any antibiotic medication with regularity, it is best to discuss this supplement with a doctor. Anyone doing hormone replacement therapy must not take Quercetin, as it will interrupt the flow of estrogen in the body and could cause an imbalance. Quercetin should not be taken by women who are pregnant or nursing.


Due to varying import regulations, not all of our supplements are available to international customers. This product is restricted for sale in the following countries:



There is no guarantee of specific results and results can vary.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

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