In February 2007, Marmite produced a limited edition Guinness Marmite of 300,000 jars of 250 g of their yeast extract with 30% Guinness yeast, giving it a noticeable hint of "Guinness" flavour. In January 2008 Champagne Marmite was released for Valentine's Day, with a limited-edition production of 600,000 units initially released exclusively to Selfridges of London. The product had 0.3% champagne added to the recipe, and a modified heart-shaped label with "I love you" in place of the logo.
In February 2007, Marmite produced a limited edition Guinness Marmite of 300,000 jars of 250 g of their yeast extract with 30% Guinness yeast giving it a noticeable hint of "Guinness" flavour. In January 2008 Champagne Marmite was released for Valentine's Day, with a limited-edition production of 600000 units initially released exclusively to Selfridges of London. The product had 03% champagne added to the recipe, and a modified heart-shaped label with "I love you" in place of the logo.