The Customs authority on Monday seized illegal drugs worth about EUR 30,000, while it was being trafficked to Finland.
The authority suspected a man and a woman, hailing from southern Finland, of carrying out the illegal trafficking of doping agents and drugs.
The two persons brought drugs from abroad through online purchase for at least 20 times, said customs officials.
The illegal drugs were sent to Finland along with powdered testosterone.
According to the custom authority, the use of the products had spread to Helsinki and Turku.