im doing a stack of ephedrine and caffiene. 200 mgs caffiene with 50 mgs ephedrine in the morning and 200/25 2 more times thourhg the day. how good is this and how long do u think will take to lose wieght? cause i did it for like 2 weeks and starting to get a 6 pack going? I need to lose like 20 pounds tho. I have no scale though so idk how much wieght i lost.