Hello, The person with lactose intolerance can surely tolerate enzyme prep for GI purpose. Additional guidelines over and above the doctors prescription are - consume more liquids in form of boiled water, lemon juice, coconut water, butter milk - prefer organic fresh fruits with avoidance of spices, non-veg, aerated drinks of any sort - control of anxiety with meditations - avoid smoking or alcohol if consuming - probiotics with prebiotics are excellent recovering agents - intake of honey is the best gut soothing agent for ayurvedic perspective and the same can be discussed with the doctor for further improvement. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Bhagyesh V. Patel, General Surgeon