World Marmite Day
World Marmite Day is held on September 28. This event in the third decade of the month September is annual.
Marmite (MAR-myte) is a food spread made from yeast extract invented by German scientist Justus von Liebig and originally made in the United Kingdom. It is a by-product of beer brewing and is currently produced by British company Unilever. The product is notable as a vegan source of B vitamins, including supplemental vitamin B12.