Quercetin is a plant pigment (flavonoid). It's found in many plants and foods, such as red wine, onions, green tea, apples, and berries. Quercetin has antioxidant and anti-inflammatory effects...

Jul 16, 2024 · Quercetin is a natural pigment present in many fruits, vegetables, and grains. This article explores quercetin’s uses, benefits, side effects, and dosage.

Quercetin is the aglycone form of a number of other flavonoid glycosides, such as rutin (also known as quercetin-3-O-rutinoside) and quercitrin, found in citrus fruit, buckwheat, and onions. [2]

Oct 9, 2025 · Quercetin is a plant chemical found in foods like apples, onions, and teas. Quercetin may help lower blood pressure and reduce inflammation, but more research is needed. Quercetin …

Aug 23, 2024 · Quercetin is a type of flavonoid antioxidant that’s found in plant foods, including leafy greens, tomatoes, berries and broccoli. It’s technically considered a “plant pigment,” which is exactly …

Oct 11, 2025 · Quercetin is an antioxidant naturally found in foods and drinks and available as a supplement. It has benefits for heart, immune, and brain health.

Jan 19, 2024 · Quercetin is a pigment in many plants, fruits, and vegetables. Quercetin has powerful antioxidant properties and may help protect against certain health conditions, including heart disease.

6 days ago · Quercetin is a naturally occurring plant pigment and a type of flavonoid abundant in many fruits and vegetables. As a potent antioxidant, it helps neutralize unstable molecules called free …

Oct 23, 2025 · Quercetin is an antioxidant in many fruits and vegetables. You can also take quercetin supplements. Here’s how much quercetin you need, what it’s good for, and info on its safety profile.

Quercetin can be found in a variety of foods and provides a range of health benefits. Here's all you need to know, including supplements, foods and more.