01/13/2026
low carbohydrate content, high fiber, and significant levels of vitamin C and magnesium, contributing to its health benefits. Weight Management & Satiety: Being low in calories (~27 per cup) and high in fiber (about 4g per cup), sauerkraut helps you feel full for longer periods. Its low carbohydrate content (roughly 6g total, with many brands having even lower net carbs) makes it a preferred choice for those on keto, Paleo, or other low-carb diets.
Enhanced Digestive Health: The high insoluble fiber content acts as a “sweeper,” aiding regular bowel movements and preventing constipation. Additionally, the fermentation process creates probiotics and enzymes that help break down nutrients, making them easier for your body to absorb.
Immune System Support: High levels of vitamin C (providing ~20-28% of the daily value per cup) work alongside iron and probiotics to strengthen the immune response, potentially reducing the frequency and duration of common infections like the cold or UTIs.
Mental Health & Mood Regulation: Probiotics in sauerkraut communicate with the brain via the gut-brain axis, which may help reduce stress and symptoms of anxiety or depression. Magnesium specifically supports the secretion of “happy hormones” like serotonin and dopamine to maintain a calm mood.
Bone Density: Magnesium and calcium in sauerkraut work together with vitamin K2 to promote bone mineralization. Vitamin K2 is vital for ensuring calcium is absorbed into the bones rather than accumulating in the arteries.
Cardiovascular Health: The fiber and probiotics help lower cholesterol levels and may modestly reduce blood pressure. Antioxidants like vitamin C protect heart and blood vessels from oxidative damage caused by free radicals.
Reduced Inflammation & Cancer Risk: Sauerkraut contains powerful plant compounds like sulforaphane and indole-3 carbinol, which have anti-inflammatory properties and may help protect against DNA damage or the growth of certain cancer cells.