(PLEASE CONSULT A DOCTOR WHEN IN DOUBT) There are a few important contra-indications, such as if you are suffering from heart problems, if you are currently dealing with mental issues, or when you are pregnant. Please make sure that you carefully check the following contra-indications: – You have no current physical or mental health disorder; – You have no history of psychosis or close relative with a schizophrenic disorder; – You do not currently take any medication; – You are not currently pregnant or breastfeeding.