Vardenafil is the world's newest erectile dysfunction drug, developed over the years by German companies Bayer and Glaxo Smith Kline, it works by inhibiting phosphodiesterase type 5(PDE-5) , which has the following advantages over Viagra in small doses, requiring only 20 mg (sildenafil requires 120-150 mg) . Quick onset time, within 15 to 30 minutes effect. Side effects are minor, but due to individual differences, less than 2% of people will experience a mild headache. Soluble in water and ethanol, is the current do aphrodisiac wine, soft capsules and oral liquid ideal raw materials. Can last more than six hours, the launch of Vardenafil has resulted in three internationally advanced aphrodisiac ingredients: Sildenafil (Sildenafil, brand name: Viagra) , TADALAFL (TADALAFL, brand name: Cialis) and Vardenafil (Vardenafil, brand name: Alida) . Vardenafil was approved by the U. S. Food and Drug Administration in August 2003 in the United States and is available in the European Union. Vardenafil is completely soluble in water and ethanol, making it the most ideal and preferred raw material for the manufacture of health-care Aphrodisiac, oral liquid, beverage and soft capsule, high Security has also been the other high-end aphrodisiac products manufacturers favor. Vardenafil as a new generation of Phosphodiesterase 5(PDE5) inhibitors, Vardenafil has been shown to be potent, highly selective and well tolerated, the advent of erectile dysfunction has opened up new options for the treatment of erectile dysfunction (ED) .