Mesterolone, marketed as Proviron abnehmen, is an orally active synthetic steroid, a 1-methyl derivative of dihydrotestosterone, which has all the pharmacological characteristics and the ability to resist first-pass metabolism and therefore be orally active. This steroid is used in therapy in the treatment of male infertility, hypogonadism, violations of viril potency, oligospermia, decreased physical and […]