Anti ED Sex Enhancement Drugs Vardenafil Powder MW 525.06 CAS 224789-15-5

Anti ED Sex Enhancement Drugs Vardenafil Powder MW 525.06 CAS 224789-15-5

Basic Info:

Synonyms: Levitra;
CAS NO.: 224789-15-5
Appearance: White Crystalline or Crystalline Powder
Molecular Formula: C23H32N6O4S
Molecular weight: 525.06
Usage: Treating erectile dysfunction (ED)

Product Description:

Vardenafil is an oral drug that used to treat impotence, the inability to attain or maintain a penile erection.Levitra comes in two forms ,a tablet or a disintegrating tablet .It has a mechanism of action that is similar to Viagra, and Cialis. Penile erection is caused by the engorgement of the penis with blood. This engorgement occurs when the blood vessels delivering blood to the penis increase in size and increase the delivery of blood to the penis. At the same time, the blood vessels carrying blood away from the penis decrease in size and decrease the removal of blood from the penis. Sexual stimulation that leads to the engorgement and erection causes the production and release of nitric oxide in the penis. Nitric oxide then activates the enzyme, guanylate cyclase to produce cyclic guanosine monophosphate (cGMP). The cGMP is primarily responsible for increasing and decreasing the size of the blood vessels carrying blood to and from the penis, respectively. Vardenafil prevents an enzyme called PDE-5 from destroying cGMP so that cGMP persists longer. The longer cGMP persists, the more prolonged the engorgement of the penis.

Application:

Levitra and Viagra are taken as needed, anywhere from 30 minutes to as much as 4 hours before initiating sexual activity. However, neither medication should be taken more than once a day, unless cleared by a doctor based on a person's medical profile. The need to "plan" sexual encounters can make Levitra and Viagra less convenient for some than erectile dysfunction drugs like Cialis, which can be taken in a low, daily dose and enable performance at any time, without any necessary planning.

Function:

Vardenafil (INN) is a PDE5 inhibitor used for treating erectile dysfunction. Vardenafil's indications and contra-indications are the same as with other PDE5 inhibitors; it is closely related in function to Sildenafil citrate (Viagra) and Tadalafil (Cialis). The difference between the Vardenafil molecule and Sildenafil citrate is that a nitrogen atom has different position and the change of Sildenafil's piperazine ring methyl group to an ethyl group. Tadalafil is structurally different from both Sildenafil and Vardenafil. Vardenafil's relatively short effective time is comparable to but somewhat longer than Sildenafil's.

Vardenafil, as with all PDE5 inhibitors, should not be used by men taking nitrate medications, because combining them with Vardenafil might provoke potentially life-threatening hypotension (low blood pressure).Further, Vardenafil lengthens QT interval. Therefore it should not be taken by men taking other medications that affect the QT interval (such as Amiodarone).

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1: After our quation ,you will choose to accept or not.

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4: We will help track the package until you receive it successful,if accident happen ,we will see the reason to decide re-sent for free or half-price re-sent.

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