botanical Botanicals Oral

Quercetin

A potent antioxidant and anti-inflammatory flavonoid found in many fruits and vegetables.

Sci.Not specified quercetin
2 forms
Oral

About Quercetin

Quercetin is a flavonoid that is widely found in various fruits and vegetables, known for its potent antioxidant and anti-inflammatory properties. It plays a significant role in reducing oxidative stress and inflammation in the body, contributing to overall health and wellness.

Official resources

Fact sheets from the NIH Office of Dietary Supplements related to this ingredient group.

Dietary Supplement Label Database

Ingredient group data in NutriNav is aligned with the NIH Dietary Supplement Label Database (DSLD).

DSLD group id
1099

At a glance

Approval status

supplement

Compare All Forms

2 forms

Compare supplement forms of Quercetin by absorption quality and what your body actually gets from each:

High Moderate Low
Form Absorption Steps to absorb Notes Action
Quercetin
  • Label category: Natural (Sophora japonica)
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Quercetin Dihydrate
  • CAS: 117-39-5
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Type: Botanicals

Category for Botanicals ingredients

Watch out for

Possible interactions or cautions — talk to a healthcare provider if unsure.

  • May interact with certain antibiotics and blood thinners.

Potential Benefits

Benefits associated with Quercetin forms:

Inflammation Reduction Immune Support Allergy Relief Anti-Inflammatory Antioxidant Antioxidant Support

And 1 more benefit...

Potential Side Effects

Side effects associated with Quercetin forms:

Gastrointestinal Upset How serious: Mild Headache How serious: Mild

What does the research say?

Numerous studies have investigated the effects of Quercetin, showing potential benefits in reducing inflammation, supporting immune function, and improving cardiovascular health. Clinical trials have explored its use in dietary supplements, particularly for allergy relief and respiratory support.