Two tablets (recommended daily max) suppresses for me the actual coughing within 15 minutes absolutely and completely for about 6 hours. Brand here in Australia is 'Living Healthy'. Each capsule: (1) 2.92mg dry olive leaf (Olea europaea) (2) 35mg equiv. to Oleuropein (3) 100mg Arographis paniculata leaf dry (4) 2.5mg equiv. to Andrographolide (5) 5mg zinc gluconate.