Similar to other food intolerances, the onset and severity of symptoms is related to dose, frequency of lactose ingested and the individual’s capacity to digest it.¹ Clinical symptoms may appear between 1-3 hours after consumption, however, this has been reported to be highly variable among individuals.⁵ Examples of typical symptoms experienced by people with lactose intolerance include abdominal pain, flatulence, bloating, diarrhea and vomiting.¹