You can only see it if you use a microscope and you cannot taste it or smell it
C i think is prbly the best option
Explanation:The first step is to maintain a good diet and to eat what is necessary for the body.If you have any enquiries please consult a dietitian.And don't forget to exercise daily or just walk for one or half an hour.For adults constantly try checking the:- blood pressure,sugar,cholesterol,etc
