Earlier this month it was reported that UFC featherweight contender Chad Mendes has been flagged by the USADA for using an illegal substance. According to Pro MMA Radio show host Larry pepe, the substance Chad popped for is GHRP-6, aka HGH (Growth Hormone). He could face up to a 3 year suspension, check it out.
Source tells me that Chad Mendes popped for GHRP-6 (Growth Hormone Releasing Peptide 6) and that he took it in cream form, not by injection
— Larry Pepe (@LarryPepe) June 23, 2016