The harmful effects of eating too much soy sauce: 1, can cause a higher incidence of hypertension, because soy sauce is rich in sodium, and sodium can cause sodium-water retention, when the amount of fluid in the body will cause an increase in blood pressure, if too much soy sauce causes sodium-water retention, it will cause a higher risk of hypertension. 2, easy to cause kidney dysfunction, resulting in edema and other performance, because the sodium in soy sauce also needs to be excreted through the kidneys, if too much sodium will increase the burden on the kidneys, and cause sodium-water retention will also cause kidney burden, if you eat too much soy sauce will cause an increased risk of kidney dysfunction. If you eat too much soy sauce, it will increase the burden on your kidneys and cause sodium retention, which will increase the risk of kidney dysfunction.