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Dangers and Side Effects of Using Nattokinase

Nattokinase is a type of natural enzyme that is derived from Natto, a natural food used frequently in Japan. Nattokinase is known to be one of the most effective enzymes that can be used for the treatment of several blood and cardiovascular diseases. For the treatment of blood clots and preventing the risk of heart attacks and strokes, Nattokinase is being used widely by medical practitioners.

While the effectiveness of the enzyme cannot be denied, there are precautions that need to be taken during its use. Nattokinase often shows some major side effects, especially in case of some people with certain medical issues. So, here is a review of some side effects you may experience with the use of Nattokinase.

Excessive Bleeding

One of the most major side effects that use of Nattokinase can have on your health is the risk of causing excessive bleeding. Since Nattokinase is used as an anti coagulation agent, it often causes thinning of blood and can cause bleeding, sometimes even internal. In order to avoid any such situation, it is very important that the right amount of Nattokinase dosage is taken and that too with doctor’s consultation. In case of taking an overdose, allergic reactions or hemorrhaging can be caused, which can be very dangerous and often fatal.

Herbal Reactions

If you are using Nattokinase along with other herbs or medicines, especially those that have blood-thinning properties, it can be very dangerous for your health. Nattokinase itself is a blood thinning herb. Using it with more herbs that cause similar conditions can increase the risk of internal bleeding and blood thinning. If you are using any of these medicines, it is very important to consult a doctor before you start using Nattokinase.


Another major risk that can be caused by the use of Nattokinase is excessively low blood pressure. Nattokinase has the ability to lower the blood pressure quite substantially, a major reason why it is used for the treatment of high blood pressure. If used along with other medicines that are used for the treatment of high blood pressure, Nattokinase can lower your blood pressure to an excessively low level which can cause a quite dangerous situation. Therefore, patients who are using medicines to control high blood pressure should not use Nattokinase without a doctor’s prescription.

Other Side Effects

There can be several other side effects that can be associated with the use of Nattokinase but are yet unknown due to the lack of research. Currently, Nattokinase is being subjected to a lot of researches to find out ways in which it can be used for the treatment of other medical conditions such as thrombus and blood clotting more effectively. As the research will progress, certain other properties of the enzyme can be discovered.

Precautionary Measures

In order to avoid causing any damage to your health, it is very important that Nattokinase is taken carefully. The very first thing to do before you start taking Nattokinase is to consult a doctor and get medical clearance. After that, you should also get a proper dosage level of Nattokinase prescribed for your use, since a regularly advised dosage is not always right for everyone. If you use Nattokinase properly, it can surely be beneficial for you.
April 16, 2013 by Nature Prescribed

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