Marmite is a British food spread made from yeast extract. It is a thick, dark brown paste with a strong, salty, and savory flavor. Some people love it, while others find it to be too intense. Yeast extract, salt, vegetable extract, spice extracts, celery extracts, vitamins (riboflavin, folic acid, vitamin B12) Marmite is a good source of vitamins B1, B2, B3, and B12. It is also a good source of folic acid and niacin. Marmite is typically spread on toast or crackers. It can also be used in other dishes, such as stews, soups, and sauces. Marmite is a British food spread made from yeast extract. It is a thick, dark brown paste with a strong, salty, and savory flavor. Some people love it, while others find it to be too intense.Marmite is made from a by-product of beer brewing. Marmite was invented in the United Kingdom in 1902. Marmite has been the subject of many marketing campaigns, including one that claimed it was "good for you.". Marmite is typically spread on toast or crackers. It can also be used in other dishes, such as stews, soups, and sauces. Marmite is a good source of vitamins B1, B2, B3, and B12. It is also a good source of folic acid and niacin.