Sildenafil acts as the main ingredient in Cenforce de Pills. Cenforce D is taken to you one hour before sex. The effect lasts for 5-6 hours after taking it. Is it the best drug to solve the sexual problem? It is important to consult a doctor before taking this Tablet. Widely used by men. Cenforce D tablets should keep you away from small children and pets. Cenforce D is the best drug used by men.