🌏 China Warehouse QSC Mesterolone (Proviron) (17α-Methyl-DHT Derivative / Weak AR Agonist) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 100G bulk. Research use only.
🌏 China Warehouse QSC Mesterolone (Proviron) (17α-Methyl-DHT Derivative / Weak AR Agonist) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 1KG bulk. Research use only.
🌏 China Warehouse QSC Tadalafil (long-acting PDE5 inhibitor, T½ ~17.5h, high PDE5/PDE6 selectivity) — 1KG bulk raw powder. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.