I only have about two years experience with primo. Before I always thought it was a waste of money but now since I'm 40 the side effect profile is ideal.. on paper. When I started running primo it was 100mg a week along with my self prescribed trt dose of140mg test cyp..which keeps my test just above 900 at that dose. Before I had used masteron. Mostly bc I feel it protects me from gyno and it keeps me pretty vascular. I couldn't tell a difference between the two at that low a dose. I've cycled with 400mg primo, trt test dose, and eq at 300mg/a week. Not a big cycle but I try to keep it under a gram of juice a week now. Also, first 3 weeks 40mg a day var. Put on about 8-10 lbs of lean mass. I wasn't getting enough protein during this cycle.
Last week started 900mg primo a week, 140mg test cyp, and throwing in 180mg mast e just for the hell of it. I'm experimenting hoping my numbers all stay within reason. First time doing a primo cycle like this. I'm going to run this for 16 weeks if I can. I've always preferred DHT steroids over everything else.
I can't handle norandrolones.. I like to run EQ and masteron with a var or tbol kickstart and test under 200mg. I'm done running test any higher.
Sorry I wasn't a help man. I'm kind of a primo newbie myself. I'm sure some of the guys ill tell you 900mg of primo a week is a waste. Time will tell