Quercetin (from Dimorphandra mollis)

Solgar’s Quercetin Complex (With Ester C Plus) includes the important bioflavonoid Quercetin in a synergistic formula with Ester-C® Plus and Bromelain to provide unique antioxidant protection as well as natural seasonal immune support...

Source Naturals Activated Quercetin is a bioflavonoid from fruits and vegetables. Human cell culture studies with quercetin have demonstrated its capability to support the body's response to allergens. This form of quercetin has been combined with...