C+BioFizz Effervescent PowderThis delicious, effervescent, orange flavored powder easily provides therapeutic dosing of vitamin C and bioflavonoids. Potassium bicarbonate is included in this formula as a buffering agent and to give it fizz. Also included are quercetin, hesperidin and rutin, which are all natural bioflavonoids found in citrus fruits. Suggested Use: As a dietary supplement, take 4 grams (approx. one teaspoon) per day, or as directed by your health care