Contents Letrozole in bodybuilding: how to take PKT, contraindications Effects of letrozole How to take letrozole during post-course therapy Letrozole is one of the most effective non-steroid preparations of aromatase inhibitors. Popular in 65 countries. This drug has blocking properties for aromatase enzymes. Very difficult to understand, right? Let’s see how letrozole is used in bodybuilding. Letrozole in bodybuilding: how …