19 In the index

Proviron (support role) PROV

The brand name for mesterolone, referenced here in its typical role as a supporting drug alongside testosterone therapy for its mild effects on libido and estrogen. Its evidence comes from the broader research on mesterolone's approved use for low testosterone, applied here to this off-label supporting role.

Also known as Proviron

Effects Hormonal Libido

Routes Oral

Legal status Prescription drug

WADA Banned at all times

Reported dosing

User-reported

What has been reported in the literature and by users. This is a record of what is done, not a recommendation.

Typical dose 25-50 mg/day

Reported range 25-100 mg/day

Route Oral

Frequency Once or twice daily

Duration Cycle-length (off-label bodybuilding use) or chronic (where approved for hypogonadism)

Brand name for mesterolone; approved in some countries for male hypogonadism but not FDA-approved in the US. Commonly used off-label at a low, 'supportive' dose alongside other anabolic steroids rather than as a standalone compound.

Where this comes from International prescribing information; off-label user-reported dosing

There is no approved human dosing for this compound. The figures above are what users and vendors report, not what has been established as safe or effective. Treat them as a record of what is done, not as guidance.