Stanoplex (Winstrol) is an injectable anabolic steroid used in veterinary medicine to promote muscle growth and increase appetite. The active ingredient is Stanozolol, which is a synthetic derivative of testosterone. It is available in three different concentrations: 25mg/ml, 50mg/ml, and 100mg/ml. Stanoplex (Winstrol) 100mgs/10ml is an intramuscular solution typically used in the treatment of severe dermatological disorders, muscle wasting diseases and other conditions involving a negative nitrogen balance. It is also sometimes prescribed to improve muscle growth, weight gain, and endurance in horses, cats and dogs.