Hey bro, in my personal experience, all gear except for winstrol seems to help with joint pain personally. Maybe it's the fluid retention. I will say that deca does seem to have an extra punch though. I personally find that the joint pain relief effect from nandralone comes more from deca than from NPP. Maybe it has to do with the build up due to the long ester. Maybe it has to do with the added water retention. I can't be sure. But I do notice more joint relief on deca than NPP. On the other hand, I also notice more bloating so if you use it for this purpose, remember to keep the dose lower if you are looking to still maintain a crisp appearance. I'd suggest a low dose of deca at about 200-300mg EW. But hey, if you have access to NPP, you could always give it a try. The nice thing about NPP is that it kicks in so fast. You could be feeling it's effect within a couple of weeks and within a month, you will know very well, if it is helping with your joint and tendon issues. Combining NPP with primo is a great cycle for hardness and improving the quality of your physique. Using var would also add to the plan. You could do something like this and when you want to come off, you could go back to your HRT dosing. If your lab work looks good, you could always add 1cc of deca into your plan. Just keep an eye on your labs
Test 500-750mg EW
Primo 400mg EW
NPP 50mg EOD
You could add the var in for the first 8 wks or last 8 wks, depending on what you prefer. Some guys like to kick start their cycles. I prefer to use more orals toward the tail end, if my goal is to reduce body fat and look harder.