Drugs are a bogeyman word, let's call them :molecules that turn keys in the human body:. Then follow the boilogical trail of crumbs as to the results.
The molecule of trenbolone acetate has some guaranteed effects on the human body. Increase nitrogen retention (musclebuilding) and lipolysis (fat burning). Combined with a diet of adequate protein and devoid of preferred energy source carbs (over one's own bodyfat) then a biological specimen, be it a rat or a retard will be guaranteed to lose large amounts of grease and increase nitrogen
If you need anything else spelled out for you, let me know