Microplastics in Coffee: Every Brewing Method and Machine, Audited

Coffee is the worst-case shape for plastic contact: water near boiling, held against a polymer, for the length of a brew, every single morning. The variable that matters is not the bean or the brand but whether plastic sits in the hot-water path — a pod wall, a reservoir, a tube, a lid. Every format below is audited on that one question.

One caveat worth stating up front, because it applies to this whole section: no coffee product in our database carries a direct measurement. Every score here is reasoned from polymer behaviour and brewing temperature rather than read off a laboratory result for that exact machine.