The legal drinking/purchasing age of alcoholic beverages is 18.
Throughout Botswana the tap water is safe to drink this general advise is taken with care, as it varies considerably depending on the area - so make sure you ask locals and travelers alike before drinking it!. Good fruit juice is hard to find South African 100% juice blends are the norm although Spar do a range of good juices. The national beer, St Louis, is often derided by foreigners as being worse than domestic US lagers. Most opt for Namibian or South African imports.Bottle stores are widely found in most places, and even regular, slightly bigger supermarkets are allowed to sell booze.