This is the first time I have found such dosing of Proviron. Each tablet is 25mg and I was taking ONE per day … suggested dose is 75-150mg per day? That could explain some things.
The usual treatment consists of 1-2 tablets three times per day. After a few months of treatment, your doctor may decrease the dose to 1 tablet two to three times a day.
But this line is what I found interesting.
Proviron is used to replace testosterone in men with hypogonadism. Male hypogonadism is a condition when the body does not produce enough testosterone. (source: PROVIRON - NPS MedicineWise)
I wish there was more data on proviron from an libido/ED point of view.