Sodium Aluminum Sulfate
This is what the ingredient is.
Sodium aluminum sulfate (SAS) is a leavening acid that reacts primarily during baking, providing late-stage leavening.
Here is why it shows up on the label.
Used in double-acting baking powders and cake mixes. Provides gas release during baking, not mixing.
Here is what food agencies say.
The FDA lists it as Generally Recognized as Safe. Similar aluminum concerns as SALP. Permitted in US and many countries.
Here is what research has found.
Common in commercial baking powders. Heat-activated leavening. Aluminum content subject to ongoing discussion.
Here are a few things worth knowing.
Contains aluminum. Some consumers and manufacturers seek aluminum-free alternatives.
Sources
- FDA GRAS Database
- EFSA Aluminum TWI
- Bakery Technology
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.