InterClinical Professional Digestive ZymeRelieve Symptoms of Indigestion Assists the Digestion of Protein, Fats & Lactose Reduce Colic Symptoms Source of digestive enzymes. Berberis vulgaris (Barberry) is traditionally used in Western Herbal Medicine to stimulate gastric secretions and relieve symptoms of indigestion. Zingiber officinale (Ginger) is traditionally used in Western Herbal Medicine to relieve symptoms of indigestion and reduce colic wind gas and abdominal spasm. Tilactase