Its probably the Sdrol. I've heard of this happening. With the short acting esters in the sust, I would expect to see it working within a couple of wks. I wouldn't expect to see gains in that time, but I would expect to see an increase in libido in about 2 wks. If you are having issues due to the sdrol, it may take longer. For estrogen control, I would use adex instread of nolvadex. Nolva will bind to the receptors but will not reduce estrogen. High estrogen can also be the cause for ED and libido problems. If you are prone to gyno, taking .5mg adex EOD should be enough. If you still had an issue, then take nolvadex until it goes away and up the adex some.