Label check
Not necessarily. A flour-water-salt sourdough fits NOVA Group 3. A loaf sold as sourdough can have Group 4 formulation clues. Compare the ingredients, not the name.
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Sourdough is a way of making bread, not a processing grade. In the NOVA authors’ classification, freshly made bread from flour, water, salt and a starter fits Group 3, processed food. A packaged sourdough with emulsifiers or other cosmetic additives can fit Group 4, ultra-processed. Group 4 describes a formulation, not a safety rating.
Here are two US product pages checked on 30 September 2026. Bread Alone San Francisco Sourdough lists organic wheat flour, filtered water and salt, and describes long, cool fermentation. Pepperidge Farm Thin-Sliced Sourdough lists yeast and fermented wheat flour alongside monoglycerides, sodium stearoyl lactylate and soy lecithin. Those emulsifiers are the meaningful Group 4 clues in this comparison. Formulations vary by market and may change: read the pack you are holding.
Yeast, vinegar, oil, sugar or a long ingredient list alone does not settle the NOVA group. Nor does a bakery counter, plastic bag or best-before date. For a broader method, see our UPF ingredient guide and NOVA groups guide.
How it works
1Look for flour, water, salt and a starter or culture. Seeds and whole grains do not automatically change a bread into Group 4.
2Look for emulsifiers such as monoglycerides, sodium stearoyl lactylate or lecithin. NOVA treats cosmetic additives as Group 4 markers; a preservative alone is not enough.
3Compare two loaves that suit your meal and budget. If you want a simpler formula, choose one without the Group 4 markers, then check fibre, sodium and other nutrition information separately.
Cleaner swaps
A sourdough label with emulsifiers
A sourdough label with flour, water, salt and starter
Compare the actual ingredients if your goal is a simpler NOVA Group 3 formula; check the current pack, since recipes vary.
Assuming every yeast-risen loaf is ultra-processed
Check for Group 4 ingredients before deciding
Yeast is not a Group 4 marker by itself. The emulsifiers in the US Pepperidge Farm example make that comparison more informative.
Everything you need to know about scanning your food with Berry Pure.
Yes. Plain sourdough bread made from flour, water, salt and starter fits NOVA Group 3, processed food. Processing is not the same as ultra-processing.
No. The shelf or packaging does not determine the group. Read the ingredients of the specific loaf. Some have basic bread ingredients; others include Group 4 markers such as emulsifiers.
No. Yeast alone is not a NOVA Group 4 marker. It can tell you something about the leavening method, but not whether the bread has an ultra-processed formulation.
A NOVA Group 4 label is not a safety finding. This guide uses listed ingredients to discuss processing classification, not to judge whether an additive is safe or unsafe.
Not always. An ingredient list shows what is declared, not every detail of fermentation. If fermentation method matters to you, look for a clear maker statement or ask the bakery.
Scan your first label in seconds and start making cleaner choices across your whole kitchen.
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