The efficacy of natto is mainly reflected in the following aspects. First, it can effectively reduce cholesterol in the body, because natto is rich in linoleic acid. Through systematic demonstration, the content of linoleic acid accounts for 50% of total lipids. Secondly, it can further dissolve thrombus, because it contains a substance called nattokinase. Third, it can also resist hypertension. Fourth, it can also regulate people's intestines and improve your digestion, absorption and utilization rate of food. The taboo of natto is mainly reflected in the fact that some people with cardiovascular diseases, if taking coagulants, had better not take natto, otherwise these drugs may lose their efficacy and cause adverse reactions. Through sharing, we all understand the efficacy and taboos of natto. Generally speaking, if you have some cardiovascular diseases and are taking some coagulants, it is best not to take natto, otherwise it may lead to some adverse reactions.