Sauerkraut
Also listed as Fermented Cabbage and Jarred Sauerkraut.
Condiments
This is what the ingredient is.
Sauerkraut is fermented cabbage. Labels may say sauerkraut.
Here is why it shows up on the label.
It tops sausages and is used in Reubens and sides.
Here is what food agencies say.
Jarred sauerkraut follows FDA acidified or fermented food rules when applicable.
Here is what research has found.
Commercial sauerkraut is processed under FDA rules; home fermentation needs careful acidity control.
Here are a few things worth knowing.
Refrigerate after opening if the label says so. Check for added wine or allergens in specialty packs.
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 9/17/2026