Letrozole is the same thing as Femara. Femara, arimidex and aromasin are AIs (aromatase inhibitors). A third generation AI like letro is much more effective at blocking estrogen than adex. Nolva and clomid are SERMs (selective estrogen receptor modulators).
Letrozole is the same thing as Femara. Femara, arimidex and aromasin are AIs (aromatase inhibitors). A third generation AI like letro is much more effective at blocking estrogen than adex. Nolva and clomid are SERMs (selective estrogen receptor modulators).