When it comes to maximum Proviron doses, 200mg per day is as far as anyone should ever take it; however, there is rarely a need for such a dosing. First and foremost, it's unlikely you'll receive a greater benefit of any worth above the 100mg to 150mg range. But you will be incurring a large DHT buildup and opening the door to side effects with a far greater risk. Further, there's a chance you may not enjoy the testosterone benefits to such a strong degree, then again you may, but Proviron doses beyond this mark is unadvisable in all cases.
The second most common reason is probably to address a fear that libido might be lost without it. It is true that when added to normal androgen levels, Proviron has an androgenic effect that in many cases improves libido. However, most anabolic steroids also have this same property. In a steroid cycle, adding Proviron accomplishes nothing further. Or in the case of anabolic steroids such as nandrolone ( Deca ) which for other reasons may adversely affect libido, Proviron provides no greater help against that than do various other anabolic steroids .