What Are the Effects of Using Primobolan and Testosterone Together? Primobolan (chemical name: Methenolon) and Testosterone are commonly used anabolic steroids. They are often utilized to enhance muscle mass, Erhöhen Sie die Festigkeit, Fett reduzieren, and improve overall athletic performance. Combining these two steroids is a common practice in bodybuilding and sports, as they complement each other to amplify results. Jedoch, this …