I'm 19, same weight and height as you, i took a 20mg dose to study for finals and it did wonders. I'm no doctor, and im sure ill get a lot of negative feedback for saying this, but yea ull be fine. I've done research and doctors say its a pretty safe drug.
125lb
57kg = 125lb 10.62oz
101-125lb, the ideal 115. But some teens can be more, do not worry if you are with in the limit of 101-125lb, you will loose weight to the one you are comfortable.
About 75lb- 125lb
On Jupiter, you'd weigh 292.50 pounds.
Divide by 2.2, giving 56.818kg
around a size 4
you cant be 4'12"...
Blake Griffin currently weighs 125lb.
it is 125lb
it matters what the person's height is. So ask your doctor
yes pretty fat and you should excersise