At 300 mg NPP + 350 mg test, the main things to watch are blood pressure, prolactin, hematocrit, and lipids. NPP often hits BP and resting heart rate harder than expected (even without bloat), and prolactin can creep up even if estrogen looks fine — libido, mood, and sleep are usually the first tells. On bloods, HDL tends to drop and hematocrit can rise faster than on test-only. ALT shouldn’t spike like orals, but given your history, mid-cycle labs are smart.
NPP + finasteride/dutasteride is safer than Deca, but not zero-risk — nandrolone itself can still be rough on follicles in some people. Keep doses stable, don’t push food/sodium, monitor BP weekly, and be ready to pull NPP fast if sides show. If you treat it as a “test-plus,” not a miracle compound, you’ll stay on the safer side.