Any reason you don't just go withthe basic ECA stack again?
Really, the product covers the E and the C... and has a bunch of extras thrown in.
Personally, I'm not a big fan of the guggulsterones that are part of the proprietary blend. Some studies have shown that they could be antiandrogenic, as they may block certain androgen receptors and even some steroid hormone receptors.
Check out this thread for some more info on it: Invalid Link Removed