Methandriol Dipropionate-British Dragon Thailand Methylandrostenediol Dipropionate Methandriol Dipropionate is a injectable, strongly anabolic steroid with some androgenic properties. By raising the level of nitrogen retention, it stimulates protein synthesis, resulting in greater muscle mass; and it increases strength. In addition, it may have anti-catabolic properties. Methandriol Dipropionate is strong enough to be used by alone. However, it is frequently combined with other steriods to enhance the overall effects.