Tyson Gay Busted for Oxilofrine (methyl synephrine) Doping

[George Spellwin]

Both world-class Jamaican and American sprinters have been using a banned drug called oxilofrine to boost their performance and smash records. Find out why these sprinters are breaking all of the rules to use oxilofrine and how it works.

<a href="http://bodybuilding.elitefitness.com/oxilofrine-methyl-synephrine-doping" target="_blank">Tyson Gay Doping - Oxilofrine (methyl synephrine) helps Bodybuilders Burn Fat, Sprinters Smash Records
</a>