Some bodybuilders and athletes use trenbolone for its muscle-building and otherwise performance-enhancing effects. [ citation needed ] Such use is illegal in the United States and many other countries. The DEA classifies trenbolone as a Schedule III controlled substance 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 , metenolone , and trenbolone. 
Because it’s high in androgenic properties, it can still have an effect on hormone levels as well as metabolic functions that rely on balanced hormone levels in the body.
Trenorol Before & After Pictures Huge increase in muscle mass ★ ★ ★ ★ ★ Here’s a before and after from my 8 week cycle, I was using Trenorol along with a strict 60% carbs 40% protein diet. Rory C. VIEW REVIEW Lost 2% body fat & gained muscle ★ ★ ★ ★ ☆ I replaced my fat with muscle and gained 5 pounds. Body fat was around 12% and ended under 10%. I gained 30 pounds on my bench. Lucas D. VIEW REVIEW Gained 25 LB lean muscle ★ ★ ★ ★ ★ Gaining 13lbs in 4 weeks and staying lean while still getting stronger was something I’ve not done before! Cole W. VIEW REVIEW Lost 9% body fat ★ ★ ★ ★ ★ My body fat was just over 20% when I started I’m currently down to just over 11% and have gained weight. Jack M. VIEW REVIEW
Use Common Sense With Trenbolone Scientific studies regarding human side effects of Trenbolone acetate are lacking for obvious reasons – the drug is not approved for human use. Side effects are mainly mentioned in case studies.