Nitrobol anyone? Thinking about purchasing it....

[MadMetal]

Nitrobol vs Show-Tech????

Well I have my debit card out and I'm debating which product to buy but seeing I lack of knowledge with this, I'm curious to finding out which seems to be the most useful, yet, effective.

http://www.drugfreebodybuilding.com/nitrobol.htm

http://www.anagen.net/muscles.htm

Thanks!