Honeyville Dry Active Yeast, also known as Instant Yeast, can be substituted for Fresh Yeast at a ratio of 1 part Dry Active Yeast for 3 parts of Fresh Yeast. Instant Yeast can be stored for up to 2 years under ideal storage conditions as opposed to the extremely short life of Fresh Yeast. Buy in bulk and save.INGREDIENTS: Yeast, Starch, less than 1% Sorbitan Monostearate, Ascorbic Acid.