Sauerkraut has 19 kcal and 661 mg sodium per 100 g. Lacto-fermented cabbage — a Bulgarian winter tradition (кисело зеле). The fermentation produces beneficial live cultures.
How should I track Sauerkraut (fermented)?
Sauerkraut (fermented) is a good source of fiber. For consistent tracking of Sauerkraut (fermented), weigh it raw. Cooking method changes both weight and calorie density — steaming barely changes anything, but roasting with oil or frying can double the calories. A systematic review (Whitton et al., Adv Nutr 2022) found vegetables are omitted from food logs 2–85% of the time, often because people assume they are "free" calorically. While most vegetables are indeed low-calorie, the fats added during cooking are not. Log the oil, butter, or dressing separately to keep your tracking accurate.