Snovitra Power (Vardenafil) 40mg is effective in cases where men suffer from Erectile Dysfunction (ED) as a result of cardiovascular disease. This medicine is popular with the name Levitra (sometimes Staxyn). It works well even if you have a meal before taking this medicine. The effect of this medicine usually lasts for around 6-8 hours. This medicine should be consumed 30 minutes to 1 hour before any sexual activity to spend a good time in bed.