Click Here To Buy Now Sildenafil 50 is a lower-dose version of Sildenafil Citrate, typically used to treat erectile dysfunction (ED) in men. It contains 50 mg of Sildenafil, which is a standard starting dose for many individuals experiencing ED. Sildenafil 50 works similarly to higher-dose variants like Sildenafil 100 or Sildenafil 200, by increasing blood flow to the penis during sexual arousal.