Two chemicals are produced by the male body whilst sexually aroused – Cyclic GMP which causes the muscles in the arterial wall of the penis to relax allowing blood to flow in and phosphodiesterase type 5 (PDE-5) which decreases erections. Silagra contains an ingredient called Sildenafil. Sildenafil is a PDE-5 inhibitor. Whilst active Silagra causes a vigorous build up of Cyclic GMP causing the penis to stay erect. It must be noted that sexual simulation is required in order for Silagra to become effective. It is recommended that no more than one 100mg tablet is taken in any 24 hr period.
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