Junior Dos Santos’ flagged drug test was due to a diuretic, a representative for the former UFC heavyweight champion today revealed. A statement sent to MMAjunkie by Dos Santos rep Ana Claudia Guedes identifies Hydrochlorothiazide – which is typically used to prevent high blood pressure, according to WebMD.com – as the culprit, and states that team is currently seeking to discover how the substance made it into the Brazilian slugger’s system. Junior tested positive for a substance called Hydrochlorothiazide, which is a diuretic and is banned by USADA due to its use as a masking agent. We do not know where this substance came from. Junior has had his blood and urine randomnly tested many times and has never once tested positive for a banned substance. We requested testing of his B sample today
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