Clear-easeĢ Natural Fruit Enzyme for Allergy and Sinus Relief. Clear-easeĢ is a unique blend of natural fruit enzymes to help maintain a healthy respiratory system including nasal passages, throat, and sinuses. Papain comes from papaya fruit. Bromelain is extracted from pineapple. Proteolytic enzymes are involved with repair and healing in the body and are helpful to maintain healthy joints and thin mucous secretions. Allergy and sinus sufferers, frequent flyers, pilots, and SCUBA divers all enjoy the benefits of Clear-easeĢ.