TweetAndro sucks.
1-AD is decent.
1-test/4-AD transdermal is the best OTC pro-steroid you can buy.
Of course, they're all worthless without a sound diet and good traning routine.
1-AD converts to 1-test via the liver, inevitably, some is lost during the conversion. This makes 1-test king of the hill because there is no conversion and dosing is simple, in transdermal form. Also transdermal form delivers maximum aborbtion, the best thing next to injecting.
If you still want to go with 1-AD, a dose of 400-600mgs everyday is thought to be idea. It would be best to stack it with a 4-AD product to maximize your gains, and seeing as how 4-AD is fairly cheap, there'd be no reason not to stack them. I would advise a 4 on, 4 off, 4 back on style schedule for maximum gains. You iwll need some post cycle therapy, whether it be in the form of Ergopharms 6-oxo or clomid.
A 1-AD stack isnt very cost effective, but gains are steady and easily retained. Best of luck.