During your cycle, liver support like NAC (600–1200 mg daily) or TUDCA (250–500 mg daily) is great. For AI, Arimidex (0.25–0.5 mg every other day) is reliable but only use it if estrogen symptoms appear. Post-cycle, for an estrogen blocker, Nolvadex (Tamoxifen) at 20 mg daily for 4 weeks works well.