Question: is avodart better than finasteride?
Answer: 6-8 hours respectively). Dutasteride has been shown to be 3 times more potent than finasteride at inhibiting type II 5AR and more than 100 times at inhibiting type I 5AR. Furthermore, oral dutasteride decreases serum DHT concentrations by up to 90% while finasteride only reduces DHT by 70%.