Vardenafil is the world's latest treatment of erectile dysfunction patients the latest drugs, the German companies Bayer and GlaxoSmithKline developed after many years, through inhibition of phosphodiesterase type 5 lipase (works the same way that the West Non-than it has the following advantages: with less, just 20mg (sildenafil need 120 mg-150mg). faster onset time, 15 to 30 minutes effective. side effects, but individual differences, still Have less than 2% of people get a little bit mild headache. soluble in water and the characteristics of ethanol, is currently doing impotence alcohol, soft capsule and oral solution ideal raw material