how long does it take a beer to go through your system
Adding up your units. If you drink a large (250ml) glass of wine, your body takes about three hours to break down the alcohol. If you drink one pint of beer, your body takes about two hours to break it down.One pint of strong lager is equivalent to three units, so this will take longer.However, this time can vary depending on the factors mentioned above.f you drink one pint of beer, your body takes about two hours to break it down. One pint of strong lager is equivalent to three units, so this will take longer. However, this time can vary depending on the factors mentioned above.