Description Description: NOW FOODS Citrus Bioflavonoid Caps contain 40% total bioflavonoids. There are many varieties of bioflavonoids available and ours includes a number of flavonols, flavones, and flavanones including: Hesperidin, Eriocitrin, Naringen, Naringenin, and Quercitin.The Inside Scoop: Serving Size: 2 capsules Servings Per Container: 125