Nutritional yeast is a deactivated yeast, often a strain of Saccharomyces cerevisiae, that is sold commercially as a food product. It is sold in the form of yellow flakes, granules, or powder, and may
Nutritional yeast flakes
Some theatres offer visitors nutritional yeast for popcorn seasoning.
Vegemite is a brand of a thick, dark brown Australian food spread made from leftover brewers' yeast extract with various vegetable and spice additives. It was developed by Cyril Callister in Melbourne
Vegemite on toast
Different Vegemite jars – National Museum of Australia Originally introduced in 57 g (2 oz) milk glass jars and in sizes up to a 2.7 kg (6 lb) tin, from 1956 Vegemite was sold in clear glass jars.