Do not take it. You need a bottle with only dxm as an active ingredient. Go to walmart or walgreens or wherever da fuck, and pick up some robotussin max strength or robo gel caps, and check and double check to make sure there's only one active ingredient. (DXM) Then, If you must do it, only take 1 bottle for your first time. Thats about 300 mg for da gel caps if i remember correctly and only alittle more than that, for da syrup (like 350 mg or somethin.)