US sprinter Tyson Gay has admitted that he has been tested positive for a banned substance and has pulled out of the Athletics World Championships in Moscow to be held in August 2013. – AFP
Oxilofrine is the prescription name for methylsynephrine, hydroxyephrine and oxyephrine. It is not widely used in the UK and is not a licensed drug in the US.
Some companies use oxilofrine, in the form of synephrine, in “sports nutritional supplements” as it is thought to allow people to enhance fat-burning and lose weight.
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