IRVINE, Calif.—Cyvex Nutrition developed a comprehensive quick-reference guide for its FlavoVital™ Flavonoids line, which includes information on the source of each of the company's flavonoid offerings, recommended dosage, proven health benefits and applications. Flavonoids are known for their antioxidant activity and ability to help neutralize free radicals that can attack the body's cells. Cyvex offers several flavonoids obtained from a range of foods and natural sources, including apples, artichokes, dark purple berries, broccoli, celery, chamomile, citrus fruits, fennel leaves, onions, passion flower, peppers, green leafy spices, tea and woody trees.