These natural substances allow the body's ability to respond to physical as well as cognitive stressors. NameFraction of adult glandDescriptionPeripheral zone 70%The back of the gland that surrounds the distal urethra and lies beneath the capsule. However, there is limited research on the efficacy and optimal dosage of pumpkin oil for prostate problems. It is one among the most balanced and efficient supplements available. It can improve blood circulation and relax blood vessels to increase sexual performance. The doctor inserts a laser fiber through a catheter into the prostate and then releases several bursts laser energy. This could explain how it works so well when combined sildenafil.