Recently, the traditional knowledge of Chios mastiha production was recognized as an Intangible Cultural Heritage of Humanity by UNESCO. The plant has a unique lemony balsam- smell, which can permeate the air of the Mastichochoria, the villages on Chios that produce mastic gum. Mastiha is used as a flavoring for many products in Greece ranging from chewing gum to digestifs, found at nearly every neighborhood restaurant and corner store. The use of Chios mastiha as a digestive dates back to Hippocrates in the 5th century BCE, and has carried through the ages. Since 1979, Allergy Research Group has used only the purest, and whenever possible, lowest allergy potential natural ingredients available. Many very sensitive individuals who react to supplements in general can tolerate Allergy Research Group products. Strict quality control procedures are followed in every stage of production, including inspection, manufacturing, packaging, and storing. Allergy Research Group fully discloses all active and inactive ingredients on every product label, allowing you to make informed choices for your nutritional support. Physicians and healthcare practitioners around the world depend on Allergy Research Group for their patients' nutritional support. This brand originated with the ground-breaking oxidant/antioxidant work of Stephen Levine, Ph.D., as one of the first to introduce truly hypoallergenic nutritional supplements in the United States.