A criminal organization dedicated to the trafficking of illegal anabolic substances has been dismantled. The operation has resulted in 16 people being detained in Las Palmas, Tenerife, Madrid and A Coruña and with twelve house searches carried out. The organization was linked to ultra soccer movements of a violent nature. 250,000 doses of anabolic-type medicinal products have been intervened and it is estimated that they moved close to a ton in the last year. The operation has been carried out jointly by the National Police and the Customs Surveillance Service, under the direction of the Coslada Investigating Court number 1.