High Potency Serrapeptase promotes and maintains healthy sinus and airway function and healthy immune response* Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery Helps dissolve hard particles made of protein that cause unwanted side effects from toxins, scar tissue, blood clots and cysts* Serrapeptase is a proteolytic enzyme that comes from the Serratia bacteria species strain E15 Uses Serrateric, a coating that protects the enzyme from stomach acids until it reaches the intestines and therefore optimizes absorption During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.