From Wikipedia, the free encyclopedia. Magnesium oxide (Mg O), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide). It has an empirical formula of Mg O and consists of a lattice of Mg 2+ ions and O 2â ions held together by ionic bonding.
Today, the main ingredients of Marmite manufactured in the UK are glutamic acid-rich yeast extract, with lesser quantities of sodium chloride, vegetable extract, niacin, thiamine, spice extracts, riboflavin, folic acid and celery extracts, although the precise composition is a trade secret.maÊmit]), a French term for a large, covered earthenware or metal cooking pot. British Marmite was originally supplied in earthenware pots, but since the 1920s has been sold in glass jars shaped like the French cooking pot.
Why We Love It. Add Marmite Spread to a bread and cheese sandwich for a little taste of heaven. Made from brewers yeast, one of the richest known natural sources of vitamin B, Marmite can add a savory kick to a variety of dishes.It was once used as a meat alternative for vegetarians but is now enjoyed by people the world over.f none of the items in your basket say Not eligible for In-Store Pickup, you can switch the selected store () by clicking the  change  link at the top of the page to find a store where all items are available for In-Store Pickup. 1  This item is Online-Only and is not available in any store.