Description : All Erectile dysfunction treatments work in the same manner and the only difference lies in their active ingredients. The active ingredient in generic Viagra is Sildenafil Citrate, in Levitra is vardenafil HCL and in Cialis is tadalafil. These work by stopping the effect of an enzyme called PDE5;
ED Trial Packs stoppage brings more blood into the penis. The end result is hard erections until the sexual act is completed.
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