If you are experiencing diarrhea, your best bet is to decrease the volume of food consumed. You need to also understand the cause of the diarrhea. If you are experiencing a bacterial infection or a viral infection, you may want to see a doctor. If you are consuming the Blast and then experiencing diarrhea, you may want to change your recipe to see if you are intolerant of any ingredient.
In any event, we recommend seeing a doctor if your symptoms do not subside.