Sinus Care Tea - Herbal & Natural. The formula found in this tea is a traditional proprietary blend of unique Chinese natural herbs and our secret ingredient, designed to clear the nostril passage opening the air waves associated with flu and allegy. Take two times daily. 20 Tea Bags/pack. Net Wt 1.41 oz. (40g). These statements have not been evaluated by FDA. These products are not intended to diagnose, treat, cure or prevent any disease.