Once you take it, Viagra reaches peak concentrations in about an hour and lasts for about four hours. So, it is possible to take it nearly four hours before intercourse, but you might not see maximum effectiveness with the time of intercourse. You could help to ensure the results of https://7-1140516.theideasblog.com/26078124/the-single-best-strategy-to-use-for-what-happens-when-you-take-viagra