Natrol Quercetin (500mg, 50 Capsules)


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Natrol’s Quercetin with vitamin C and bioflavonoids helps support the immune system. Quercetin belongs to a class of water-soluble plant pigments called flavonoids. Quercetin acts as an antihistamine and has anti-inflammatory properties. As an antioxidant , it protects LDL cholesterol (the “bad” cholesterol) from becoming damaged. Cardiologists believe that damage to LDL cholesterol is an underlying cause of heart disease. Quercetin also blocks an enzyme that leads to accumulation of sorbitol, which has been linked to nerve, eye, and kidney damage in people with diabetes. However, no human research has demonstrated these actions of quercetin in people with diabetes. Quercetin is also considered a phytoestrogen (i.e., a plant substance with similar functions as that of estrogen). Some phytoestrogens are believed to potentially lead to reduced risks of certain cancers. Quercetin was found to have this antiestrogenic activity by inhibiting breast cancer cells in a test tube.

  • Supports Immune Health
  • High Potency Antioxidant Formula
  • Dietary Supplement
  • Natrol Quercetin combines Quercetin with high potency Vitamin C and Citrus Bioflavonoids—compounds naturally found together in a variety of health plant-based foods. The result is an advanced antioxidant formula to support immune health.