Diego Costa has reportedly travelled to Serbia to visit a "medical miracle worker" specializing in horse placenta treatments.

Costa is seeking a quick recovering from a hamstring injury in order to play in Atlético Madrid's all-important Champions League Final against Real Madrid.

Diego Simeone said earlier this week that it was "too soon" to rule the Spain star out of the final, and AS and Marca report that Costa headed to Belgrade to visit Marijana Kovacevic in a bid to expedite his recovery.

Kovacevic is said to use electric shocks as well as ointment made of horse placenta. Robin van Persie has received treatments from him in 2009.

Costa is also a key member of Spain's roster for the World Cup.

Vicente Del Bosque warned that Costa would be taking a risk if he played in the Champions League final.

"It is normal that a player wants to be there, because it is not just another game but the European Cup final," he said. "But he cannot go against his own health. His team, Atlético, and the player himself are those who have to weigh up the situation and the consequences."

Costa will go to Chelsea in the summer on a transfer.