Claim: Maria Sharapova tested positive for a pharmaceutical.
Evidence: She had tested positive for meldonium , a substance that had been banned , effective January 1 , 2016 by the World Anti-Doping Agency -LRB- WADA -RRB-.
Meldonium -LRB- INN -RRB- , trade-named as Mildronate among others , is a limited-market pharmaceutical , developed in 1970 by Ivars Kalviņš , Latvian Institute of Organic Synthesis -LRB- USSR -RRB- , and manufactured primarily by Grindeks of Latvia and several generic manufacturers.