What it does: Quercetin dihydrate supports the body's antioxidant defenses, helps regulate inflammatory pathways, and contributes to balanced immune and histamine responses.
How it is used: It is widely used for immune support, seasonal allergy comfort, cardiovascular health, and to protect cells from oxidative stress.
Natural sources and supplement forms: Quercetin naturally occurs in apples, onions, capers, berries, and leafy greens. Supplement formulas use purified quercetin dihydrate, often standardized for potency, as capsules, powders, or tablets.
Why it appears in supplement formulas: Its presence is valued for supporting antioxidant protection, helping ease inflammation, and promoting resilience against environmental and seasonal stressors.
What to know before use: High doses may cause mild digestive upset or interact with blood thinners; consult a healthcare professional if you are on medication or have health concerns.
Interesting Fact
Quercetin Dihydrate: A Flavonoid Found in Everyday Foods
Quercetin dihydrate is a plant compound, known as a flavonoid, that naturally occurs in foods like onions, apples, and berries. It is popular in supplements for its role as an antioxidant, helping to neutralize free radicals in the body. This ingredient is commonly paired with bromelain, an enzyme from pineapple, to enhance its absorption and effectiveness in supplement formulas.
