I grew up with Marmite, a British-origin yeast spread that's very similar to what the Australians call Vegemite. It's very familiar to me, and I still enjoy it very much; but judging by Miss D.'s reaction when I invited her to taste it, that's by no means a universal reaction.
According to the Telegraph:
Chris Broad has been teaching in Japan since 2012.
. . .
Broad asked four friends to try the British spread and filmed their reactions, which ranged from confusion to utter repulsion.
There's more at the link. Here's the video of how they reacted.
As an unabashed Marmite fan, I'm both amused at their reaction, and glad that there'll be more of the stuff for me!