Durabolco (Nandrolone Decanoate BP 250mg) is a long-acting anabolic steroid widely known for its powerful effects on muscle growth, strength enhancement, and joint support. Originally developed for treating muscle-wasting diseases and anemia, Durabolco has become a staple in bulking cycles for bodybuilders and athletes. It works by enhancing protein synthesis and nitrogen retention, which leads to steady, quality muscle gain over time. Its low androgenic profile also makes it relatively mild in terms of side effects compared to many other anabolic steroids.