Other brands affected, like PG Tips tea, Pot Noodle, Hellmann's mayonnaise and Ben and Jerry's ice cream, have not courted as much anger as Marmite however.
The Financial Times reported that the pound sterling reached an 168 year low on Wednesday which Unilever says is responsible for the rising costs.
Marmite is produced in the UK, but it is understood that Unilever has hiked prices across all products to cover rising costs in imported commodities, which are priced in euros and dollars.
People with freshly printed economics degrees have been registering complete incandescence on social media:
As well as some other rows:
It's Revelations, people!
More from the Independent: Pound sterling: UK’s trade-weighted currency index slumps to historic new low on hard Brexit fears