KETONES : Gives indication about fat burning metabolism weather you are using fat for fuel or carbohydrates. It is important to follow ketone levels if person wants to loose weight for sustainable diet. AMMONIA : It is produced as a result of protein break down metabolism and showing how liver and kidney is functioning with it . It can give indication for a persons protein intake and help maintan a balance diet . NITROGEN OXIDE: Among many indications nitrogen oxide gives idea about inflammation. It can also occure in high fat diets and can be useful for balancing person’s fat intake . ETHANOL: It gives indication of oxidative stress in our body and can be a result of lack of vitamine E, poor consumption of vegetables and fruits . METHANE/HYDROGEN: Along with methane it gives indication of malabsorption and intolorances. Person can follow if certain foods creates intolerance for the gut such as lactose .