Hello dear Welcome to Healthcaremagic.com I have gone through your concern in depth . @ Fatigue is in relation with general weakness , deificiency of certain food ailments , immunity , diabetes related , others @ Gas, chest pain may be from hepatic dysfunction , stomach , gall bladder or biliary system disturbances @ Measures to be take into consideration # Plenty of liquids # avoid all cheese , ghee , paneer , non veg , chillies , beverages # avoid smoking , alcohol # regular walking , exercises ,YOGA are excellent supporters # balanced nutritious diet containing all ingredients # multi vitamins with anti oxidants are useful Hope this will help you . Feel free to ask any questions . Thanks for patience evaluation of my answer . Regards .