It's regulated on products where it matters. For many foodstuffs though, they don't really become unsafe, at least not on reasonable timescales. You probably do

It's regulated on products where it matters. For many foodstuffs though, they don't really become unsafe, at least not on reasonable timescales. You probably don't want to drink a soda you found from 1996 but even if you did it would probably just be flat and maybe taste a little funky.