Regarding sides, Proviron is bad for your hairline, bro, if you are predisposed to MPB. I think everyone or at least 80% will sustain some hairloss, you see very few old men besides Ronald Reagan (RIP) with a full head of hair. So even if you might not be predisposed to total baldness I think it is better to not risk accellerating your eventual hair loss. Proviron is almost straight DHT, similar to masteron. EQ, NPP, DECA, would go good with var. Topical spiro (2%) seems to help me prevent any hairloss when on moderate doses of androgens like tren. www.minoxidil.com
You might be predisposed like Ronald Reagan. Just keep an eye out for any thinning. Lose your hair and I don't care how good looking you might be, you will lose a lot of female fans, especially younger ones.