I cann anser some questions, Bolt on HGH and insulin in low doses all thru year..,in offseaon he do light cyclle of test then taperr off before season start..., he use maskiing agents when needeed..,,Training he use some winny and deca as a teen to build physique before testing came in.., ephedrine and amphetmines are staplles in Jamaican off seasson training camp...