i AM THINKING OF BUYING MASTERON 100 IT IS A 20/ML VIAL AND IM SUPPOSED TO TAKE 100MG EVERY OTHER DAY BUT I DONT WANT TO BUY IT IF IT ISNT GOING TO LAST A FEW WEEKS AT LEAST. IF SOMONE COULD HELP ME CONVERT OR SOMTHING IT WOULD BE APPRECIATED. OFF THE QUESTION MY STATS ARE 5'8 180 LBS BOUT 15% BF