Not a fan. I believe it is definitely one of those acquired-taste foods like scrapple.
@deaddolly Here you go. Everything you ever wanted to know and more. Excerpt follows:
“Marmite is dark brown-colored savory spread made from the yeast that is a by-product of the brewing industry. It has a very strong, slightly salty flavor. It is definitely a love-it-or-hate-it type of food.”