Tofu is recognized as a health product, moderate consumption of tofu is really good for human health, but eating tofu is not more than good, too much can also be harmful to health. The soybeans used to make tofu contain saponin, which can prevent atherosclerosis, but can also promote the excretion of iodine in the human body. Long-term excessive consumption of tofu is likely to cause iodine deficiency, iodine deficiency disorders. 1, too much food tofu prompt kidney function decline People in old age, the ability of the kidneys to excrete waste decreases, if a large amount of tofu consumption, will make the body generate more nitrogenous waste, increased blood uric acid, increase the burden on the kidneys, so that kidney function further decline, is not conducive to health. 2, too much food tofu will lead to iodine deficiency Soybeans contain saponin, which can prevent atherosclerosis and promote the excretion of iodine in the human body. Long-term excessive consumption of tofu is likely to cause iodine deficiency, leading to iodine deficiency disorders. 3, excessive consumption of tofu contributes to the formation of atherosclerosis Methionine in soy products is converted into cysteine under the action of enzymes. Cysteine will damage the endothelial cells of the arterial wall, making it easy for cholesterol and triglycerides to be deposited on the arterial wall, prompting the formation of atherosclerosis. 4, too much tofu caused by indigestion Tofu contains protein, once too much will prevent the body’s absorption of iron, easy to cause protein indigestion, bloating, diarrhea and other discomfort.