Isn't Marmite a byproduct of beer production?

I don't remember what the NZ version tasted like, but NZ beer is truly disgusting, so that would figure.

I don't think the Sanitarium one was called Marmite. Sanitarium in NZ is the food-biz wing of the Seventh Day Adventists. We had SDA neighbours when I was a kid and they used to get a monthly truckload of Sanitarium products delivered. I don't recall ever seeing them eat so I don't know what they did with it all.