Yestamin Dried Yeast This is a tin filled with dried brewer’s yeast. It’s a cylindrical tin that houses 16 oz of yeast, produced by Yestamin. The tin is adorned with orange and navy blue decorations, and white text provides a description of the product and its ingredients (Vitamin B12, Riboflavin B2, Niacin). It is touted as a high-protein vitamin food, rich in all members of the vitamin B complex. The lid is designed to be easily pried off and reattached. 1925-1975