Eating sauerkraut can't lose weight, and it is not advisable to eat more sauerkraut, because sauerkraut is a submerged thing, which contains a kind of bacteria and is harmful to the body. After fresh vegetables are pickled, almost all the vitamin C contained will disappear, so the nutritional value of pickled vegetables is far lower than that of fresh vegetables.

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Under normal circumstances, sauerkraut is safe to eat. However, if you eat sauerkraut that is contaminated by miscellaneous bacteria, moldy and contains too much nitrite due to short curing time, excessive nitrite will cause serious harm to your health. Generally, taking 300 ~ 500mg of nitrite at a time will lead to blue skin and lips, headache, dizziness, nausea and vomiting, palpitation and shortness of breath, abdominal distension and convulsion, blood pressure drop, incontinence and other symptoms. In severe cases, coma, convulsions, convulsions may occur, and people often die of respiratory failure and other poisoning symptoms. Therefore, it is suggested to eat less pickles or some foods containing vitamins when eating pickles, so as to avoid and reduce the harm to human health as much as possible.

Baidu encyclopedia-Chinese sauerkraut