Teragon Labs Femara (Letrozole ) works as an inhibitor to aromatizing materials in our body. Femara was originally developed as medication to fight breast cancer. For many athletes taking anabolic steroids where water retention, gynecomastia and acne are concern, Femara can work to eliminate the symptoms and the chances for these side effects to crop up. Femara also works to raise testosterone levels in the body because it can eliminate or block estrogen throughout the body. Femara is a great medication to introduce into a cycle per contest preparation as well as for PCT because it can spur the production of natural testosterone. Most individuals take - mg per day for best results.