Test/ Mast/ Tren Formula is a combination of 3 steroid compounds attached to there longest of esters. These are Testosterone, Trenbolone and Drostanolone. Synthesized for the athlete who is looking for a mixture of the 3 most popular compounds which combined together help increase strength and lean mass. Along side a strict diet and training plan Test/ Mast/ Tren Formula will help you attain you physique goals. With it's long esters fewer injections are required per week to keep synthetic levels of testosterone elevated.