Heineken has just nudged beer into strange new territory: the gym bag. Its UK launch of Outd00r Brewing is a 0.0% alcohol-free lager range with electrolytes, vitamin C and magnesium, positioned as an “isotonic 0.0 lager” for the post-run, post-ride, post-padel, post-whatever crowd. In other words, beer is no longer just trying to be booze-free. This functional beer now wants to be useful.