San Luis Sourdough
Loaf
No added sugar
By Oliver Silen · Ratings computed 2026-10-06 from GoutSafe data · Ranked by gout rating only
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Yes, for most brands. GoutSafe grades sourdough bread A (Good), at 12 mg of purine per 100 g. Of the 13 products here, 7 rate Good and 6 Moderate. All 6 below Good are held there by ultra-processing. Their purine is low, at most 14 mg a serving, so processing, not purine, sets that grade. The processing class comes from Open Food Facts, product by product, so two near-identical recipes can rate differently. The best-rated is San Luis Sourdough Loaf (A, Good).
Compare with sliced bread, rated by the same method.
Each product is rated from its own label, so added sugar, yeast extract and other ingredients can move a product above or below the food's grade.



7 of 13 rate Good. Ranked by gout rating, then by less purine, then by less added sugar.
San Luis Sourdough
No added sugar
Izzio
Purine: up to 5 mg
The Essential Baking Company
No added sugar
La Jolla Baking Co.
No added sugar
Goldminer
Purine: up to 12 mg
The Rustik Oven
No added sugar
Izzio
Purine: up to 17 mg
Village Hearth
Ultra-processed
Rudi's
Ultra-processed
Pepperidge Farm
Ultra-processed
Great Value
Ultra-processed
Arnold
Ultra-processed
Freshness Guaranteed
Ultra-processed
Every product is rated from its ingredient label against GoutSafe's purine and fructose data. Only products rated Good (A or B) can be picks. The first pick is the best-rated product, and each other pick is the best-rated product that earns a distinct role, such as the lowest purine or no added sugar. Commission and sponsorship play no part. Read the full method.