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  • How are reviewers describing this item?
    two, good, best and great.
  • Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 2.
  • Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
  • Our engine has determined that the review content quality is low.
  • Our engine has analyzed and discovered that 64.6% of the reviews are reliable.
  • This product had a total of 89 reviews as of our last analysis date on Dec 25 2019.


Most positive reviewquestion

good price & fast service.

Least positive reviewquestion

Not enough review data to provide meaningful insight.

Most authentic reviewquestion

This excelent product performs well, just like other great sources of nattokinase. Bruises begin to go away q...  Read More

Least authentic reviewquestion


Helpful Insights


    Posted by a reviewer on Amazon

    It can do something, however, that serrapeptase cannot.

    Posted by a reviewer on Amazon

    It is crazy to me that they are sold separately when the same company produces them.

    Posted by a reviewer on Amazon

    All opinions were formed after thorough investigation of the products.

    Posted by a reviewer on Amazon

    Taken just before 30 min.

    Posted by a reviewer on Amazon

    I got this based on a lot of the other reviews.

    Posted by a reviewer on Amazon

    No way to know for sure.

    Posted by a reviewer on Amazon

    This brand of nattokinase is pretty good, not the best, but okay.

Review Count History
Price History