Anti-histamine and antioxidant effects help with allergies and provide immune support! How Does NSI® Quercetin & Bromelain Complex Work? Quercetin is a plant-based nutrient (phytochemical) found naturally in apple skins, onions, tea and red wine. It belongs to a class of flavonoids called flavonols, which are powerful antioxidants that protect the body from harmful free radical molecules. In addition to antioxidant properties, studies show that quercetin may be helpful for allergies. When allergens are absorbed into the bloodstream, they cause B cells (white blood cells) to produce billions of molecules of the allergic antibody IgE. These molecules combine with mast cells and biophils, which are storehouses for histamine. Cell membranes weaken and histamine is released, causing allergy symptoms such as runny nose, itchy eyes, wheezing, etc. Quercetin helps stabilize mast cell membranes, preventing the release of allergy-symptom-causing histamine into the bloodstream. It's also known to inhibit the formation of leukotrienes, which are associated with symptoms of asthma. For best results, quercetin should be taken daily during allergy season, or year 'round, as a preventative measure. Studies show that quercetin also has anti-inflammatory effects, making it beneficial for arthritis symptoms. Animal and test tube studies have also shown that quercetin inhibits growth of certain cancer cells, including breast, colon, prostate and lung. More research is needed, however, to confirm these effects in human populations. Other conditions quercetin has been reported to help include cataracts, macular degeneration, fibromyalgia and canker sores. Quercetin is combined with bromelain in this supplement for enhanced absorption. Bromelain, derived from the pineapple plant, is a digestive enzyme that also possesses anti-inflammatory properties that synergize with those of quercetin. NSI® Quercetin & Bromelain is better because it: Delivers 500 mg quercetin and 375 GDU ...
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