Buy Viagra pills online

Viagra was invented by accident but became a real salvation for many men with poor erection around the world. The occurrence of erectile dysfunction is most often associated with age and unhealthy lifestyle (smoking, alcohol, unhealthy diet, excess weight). According to statistics [1], more than 40% of men at the age of 40 are affected by ED, and more than 70% of men over 70 are affected.

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How to take Viagra

For most patients one 50 mg pill is enough but it is better to start with a minimum dose of 25 mg. The maximum dose of Viagra that can be taken per day is 100 mg. It is best to take the drug within an hour before the alleged sex and spend extra time for foreplay. Before using the drug be sure to consult your doctor.

For elderly patients and those who have diseases of the cardiovascular system the recommended starting dose is 25 mg.

It is better not to take more than one tablet per day, do not drink the drug with grapefruit juice. You can take the medication for a long time if it does not cause side effects.

About Sildenafil citrate

The composition of Viagra includes many different components but the main substance that affects erection is Sildenafil citrate. Sildenafil belongs to the group of selective inhibitors of cGMP-specific phosphodiesterase type 5. The primary purpose of this ingredient is to improve blood supply to the pelvic vessels and the penis.

Sildenafil is also a basic component of Kamagra, another great drug for improving men’s potency.

When Viagra does not help

Since sexual arousal depends on testosterone levels, Viagra is less effective for people with low levels of the male sex hormone.

The drug acts weakly in men with certain diseases such as diseases of the inner lining of blood vessels (endothelium). Viagra also has little effect if the endothelium produces little substance, which is a mediator of erection. This happens in diabetics or patients with metabolic syndrome.

Viagra is contraindicated for women.

Viagra is ineffective for people with severe atherosclerosis. In patients with this disease, the blood vessels cannot expand, and an erection is an expansion of the arteries of the penis.