Quercetin may not be a household name, but it's found in many of the fruits and vegetables you already eat. This natural plant compound, known as a flavonoid, is abundant in foods like apples, onions, berries, kale, grapes, and tea. Researchers continue to study quercetin for its antioxidant and anti-inflammatory properties, with emerging evidence suggesting it may support heart health, immune function and healthy aging.
Recent studies have also linked quercetin to healthier blood pressure, improved circulation and better metabolic function. Researchers are exploring its potential role in supporting brain health, easing inflammation, and improving insulin sensitivity in women with polyendocrine metabolic ovarian syndrome (PMOS). While supplements can provide higher doses, many of quercetin's benefits can be obtained by eating a wide variety of colorful, plant-rich foods.
Rather than relying on a single supplement, think of quercetin as one part of a nutrient-rich diet built around whole foods. Every serving of colorful fruits and vegetables delivers a complex mix of flavonoids, antioxidants and other beneficial plant compounds that work together to support your cells. Focusing on food first gives your body a broader spectrum of nutrients than any one isolated compound can provide.
SOURCE:
Health, July 28, 2026