First thing
I suggest you do a search on the Supplment board on different types of Andro. There have been I believe two or Three generations of Pro Hormones. The newest being 1-ad, 5-ad, and some others. 1-AD is probably had the best results so far. Pro-hormones aren't the "real thing", they are supposed to convert in the body, and 1-ad seems to achieve that very well and is the safest. It doesn't raise Estrogen levels. Anything you increase test. levels in the body, the bodies mechanism attempts to balance it off with Estrogen. Estrogen in great levels = BAD!. 1-ad has no conversion what so ever. That doesn't mean there aren't any side effects. Things like lowered Sex drive and some hair loss are seen with this product. There are ways to help the lowered sex drive such as stacking with 4 -ad in little amount. As far as the hair thig goes, it depends on the person and amount of 1-ad your taking. I believe there are preventative measure you can take to aviod the hair loss, I could be wrong.
Some like to believe that Pro-hormones give you the same side effects as "real deal" so why not do the real thing. The response you get will vary person to person.
The only thing I would consider before taking pro-hormones is your age. How old are you? If you 16, then don't take them. Your bodies natural test production is through the roof anyways. Let your body grow some more. It will benefit you in the long run. You don't need to Fudge yourself up at a young age. You don't want your balls to fall out. j/k. You know what I mean.
As far as other types of Andro, I don't know too much about them. I have stacked 4 -ad with 19-nor and the results where pretty good, I got lots of strength, but I stopped 3 weeks into my 6 week cycle because I couldn't sleep, acne, and some other things. So. Do your homework. Make sure your diet is in check, it will only help you. Even though it will have no effect on how the pro-hormones work. Good Luck.