Some bodybuilders and athletes use trenbolone esters for their muscle-building and otherwise performance-enhancing effects.  Such use is illegal in the United States and many other countries. The DEA classifies trenbolone and its esters as Schedule III controlled substances under the Controlled Substances Act .  Trenbolone is classified as a Schedule 4 drug in Canada  and a class C drug with no penalty for personal use or possession in the United Kingdom .  Use or possession of steroids without a prescription is a crime in Australia .  The infamous "duchess" cocktail administered to Russian athletes at the Sochi Winter Olympics consisted of oxandrolone , a metenolone ester, and a trenbolone ester. 
For the dieting or cutting Trenbolone cycle this is where things can get really exciting as the choices are truly endless. In most cases you will be best served by supplementing with your Tren the latter half of the dieting phase; for example, if you are going to diet for 16 weeks you will want to use the Tren the last 8-12 weeks rather than from the start. You can also use the same overlapping method here as well; many athletes enjoy a Trenbolone cycle that overlaps with Equipoise during this period of use. As for other items, Winstrol, as always testosterone, good AIs and fat burners and if you can swing it a good batch of HGH and youll have a cycle that's hard to beat.