I'm 15 and have a 2 inch floppy penis, and a 4inch hard penis. My voice is really high and I still don't have hair on legs and not many pubes. I do have a bit of facial hair but not much.
What can I do?
Take your time. You are still a very young boy. This kind of thing happens at different times for everyone. Some boys have full grown beard at your age, some younger. Some men don't grow facial hair until the early 20's. Just be patient, I'm sure there is nothing wrong with you. If you feel like something may be seriously wrong with the way you're developing, then just talk it over with your doctor and parents. I'm sure everything is fine though. I hope this helps.
It is never good to buy or actually take prescription drugs you found online. There is no guarentee that it is the real thing. You don't know what you're putting into your body. You don't know the history of what you're buying online, it could be defected, expired, stolen, or even worse. Get all of your prescription drugs from a physical pharmacy.
You are too young to take anything like that. That stuff is for older men and it's for a reason. Your doctor can give you the best help. If your doctor thinks you should be taking something he'll prescribe it to you.