COOL combines the powerful, natural ingredients Slippery Elm, Marshmallow Root, Calcium and Biotin known for their ability to help fight the symptoms of heartburn and acid reflux, while also supporting healthy digestion for that good gut feeling. *Calcium contributes to the normal function of digestive enzymes. *Biotin contributes to normal macronutrient metabolism and to the maintenance of normal mucous membranes. *Marshmallow Root helps to support digestion and gastrointestinal health. *Slippery Elm helps to soothe the lining of the oesophagus and stomach.