Cenforce 150 contains as its active ingredient, Sildenafil Citrate (Sildenafil 150mg). This ingredient helps increase the blood flow to your penis and the result is that you get an erection that is very hard – letting you engage in sexual activity for a long time.Cenforce 150 Tablets lasts for 4 – 6 hours, the exact same amount of time as traditional Viagra. The effects of this medication can be felt quickly as 30 minutes after ingestion, with the concentration of Cenforce 150 pills usually taking full effect two hours after ingesting.