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Product Description

Simple. As the video on its Web site explains, "Viagra works by increasing blood flow to the penis. " It's not a penis drug. It's a viagra cialis sample drug. By dilating vessels and increasing oxygenation, it can improve athletic performance. Two studies generic viagra 100mg already verified this effect in cycling and mountaineering. "It clearly provides an unfair advantage, at least at altitude," an expert leading WADA's research tells the New York Times.

Viagra 100 mg. Viagra 50 mg. Viagra 25 mg. Description. Viagra is indicated for the treatment of erectile dysfunction in men.

Detailed information

About 9:30am or so I felt a slight headache coming on and it gradully got worst. My eyes were slight red and I felt a little off balance. The headache was constant most of the work day. I ate well and drank plenty of water, but it didn039;t go completely away.

Several studies have been performed to determine just that. Some show improvements in performance (but only at high altitudes) while others show no improvements at any altitude, casting a doubt on the benefits of Viagra in sports. Whatâs the Science. Sildenafil, the active ingredient in Viagra, works by expanding and relaxing the blood vessels in the penis. This allows an increased blood flow to the penis and results in an erection. Sildenafil has also been shown to have similar effects on the blood vessels in the lungs.

What happens if I miss a dose. Since Viagra is used as needed, you are not likely to miss a dose. What happens if I overdose.]