Bovril is the trademarked name of a thick, salty meat extract, developed in the 1870s by John Lawson Johnston and sold in a distinctive, bulbous jar. It is made in Burton upon Trent, Staffordshire, owned and distributed by Unilever UK.
Marmite is the brand name for two similar food spreads: the original British version, since 2000 a Unilever product; and a modified version produced in New Zealand by Sanitarium Health Food Company and distributed in Australasia and the Pacific. Marmite is made from yeast extract, a by-product of beer brewing. Other similar products include the Australian Vegemite, the Swiss Cenovis and the German Vitam-R.
Vegemite is a dark brown Australian food paste made from leftover brewers' yeast extract with various vegetable and spice additives developed by Cyril P. Callister in Melbourne, Victoria in 1922.