Yeast

Also listed as Active Dry Yeast, Instant Yeast, and Baker's Yeast.

Grains & Bakery

This is what the ingredient is.

Baker's yeast is a leavening microorganism sold dry. Labels may say active dry yeast or instant yeast.

Here is why it shows up on the label.

It raises bread, pizza dough, and other yeasted baked goods.

Here is what food agencies say.

Food-grade yeast is sold as a conventional baking ingredient under FDA labeling rules.

Here is what research has found.

Food-grade yeast is generally low risk when stored dry; spoilage matters more after dough is made.

Here are a few things worth knowing.

Store cool and dry. Check expiration for reliable rising.

Sources

  • FDA Food Labeling
  • USDA FSIS
  • FDA Recalls

How to read this page

We publish plain facts about this ingredient so a label is easier to read. This is not medical advice, and it is not a recommendation to buy, avoid, or use anything. For a personal health question, talk with a clinician who knows your history.

v1.0Updated 9/16/2026