Meldonium burst to the fore in 2016 when Maria Sharapova announced that she had failed a drugs test. Although she was banned for 15 months, more than 170 athletes have since tested positive for the substance, Olympians included.
Maria Sharapova's sponsors Nike and Head Tennis will both remain committed to the tennis ace as she appeals the ban.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2023 TRT World.