Icelandic: Proviron does not shut you down!
That is a very general statement, I myself did notice atrophy after only about 3 weeks @ 50mg/morning. Just as with any drug, everyone else's milage may vary. There are some studies which compared its antidepressive effects to an that of an ssri. When taken throughout the day in intervals it did indeed decrease natural test. All I was trying to say was it certainly won't help your hpta recover post-cycle, regardless of its libido supercharging effects.
If a blood test proves that SHBG is a problem, you might want to look into DIM, which is reputed by several HRT experts to improve the hormonal profile of both men and women.