Kamagra Oral Jelly contains sildenafil, a phosphodiesterase type 5 (PDE5) inhibitor, used to treat erectile dysfunction in men (impotence). When taken before planned sexual activity, Kamagra Oral Jelly inhibits the breakdown (by the enzyme PDE5) of a chemical called cGMP, produced in the erectile tissue of the penis during sexual arousal, and this action allows blood flow into the penis causing and maintaining an erection mechanism for achieving and maintaining an erection. Kamagra Oral Jelly only works in combination with sexual stimulation. It becomes effective within 20 to 60 minutes and, on average, it can last up to 4 – 6 hours, but many patients have reported longer periods of time
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