The Effect of Galactooligosaccharides (GOS) on the Gut Microbiota of Lactose Intolerance Individuals

Inclusion Criteria: \- People with lactose intolerance (formal and informal diagnosis) Fluent in English People who have a primary care provider Have to be 18 years and older Exclusion Criteria: \- Any known gastrointestinal disease or disorder, or major gastrointestinal surgery Habitual use of laxatives or antacids Diabetes Pregnancy Use of antibiotics within one month prior to the study Use of pre or probiotics within one month prior to the study Any subject who, in the opinion of a physician, has a medical or psychological condition that would preclude them from completing the study Dairy protein allergy (not lactose intolerance) Use of lactose intolerance pills such as "Lactaid" should be avoided during the course of this study