Allergy Research Mastic Gum contains the resinous material obtained from the Pistacia lentiscus tree which is grown on the island of Chios in Greece. Traditionally used as a health food in Greece, a recent study reported in the New England Journal of Medicine supports mastic gums contribution to gastrointestinal health and particularly for unfriendly bacteria that reside in the stomach.Suggested use:As a dietary supplement, 1 or 2 capsules two times daily between meals, or as directed by a healthcare practitioner.Amount per serving:Serving Size; 1 capsuleServings per container; 60Ingredients: Pistacia lentiscus (Mastic Resin) 500mg Other ingredients: Hydroxypropyl methylcellulose, cellulose, magnesium stearate, silicon dioxide.