A topical 19-Norandrostenediol product produced noticeable strength and vascularity gains in my GF. She used only 1/5 of the recommended number of sprays, twice-a-day, and still got good results. Also, current thinking is that 19 - Nor products are much less likely to produce masculine-like effects in women than 4-Androstenediol products (although my GF has used a topical version of it too, same 1/5 dosage of sprays twice-a-day, with good results).
There is also some credible evidence that the oral cyclodextrin versions of these same prohormones can be effective, albeit with shorter spikes in the affected androgenic hormones. Anyway, hope this helps...