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Nattokinase Supplement - Japanese Natto Superfood with High Potency Enzymes. Nattokinase 4000 FU....
More product info
From Vimerson Health
This report was last updated 9/14/2024.
Refresh the report to view the most up-to-date data available:
Refresh the report to view the most up-to-date data available:
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Report Info:
Note: We only analyze "reviews" and ignore one-tap "ratings".
*This is only a Preliminary Report
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Report Card
Pass Overall Grade
FAIL 
Suspicious Reviewers
Suspicious ReviewersWARN Rating Trend
Rating TrendWARN Phrase Repetition
Phrase RepetitionPASS Unverified Purchases
Unverified PurchasesPASS Word Count Comparison
Word Count ComparisonPASS Overlapping Review History
Overlapping Review HistoryPASS Reviewer Ease
Reviewer EasePASS Brand Repeats
Brand RepeatsPASS Incentivized Reviews
Incentivized ReviewsPASS Deleted Reviews
Deleted ReviewsN/A Reviewer Participation
Reviewer Participation
Most Trusted Reviews
My family has a long history of heart-disease, so naturally ... [Go to full review]
Jul 23, 2024
100%
TRUST
TRUST
-
Verified Purchaser
-
Critical Reviewer (avg. rating: 3.7)
Easy Grader (avg. rating: 4.8)
Take-Back Reviewer (397 deleted Reviews; avg. rating: 4.9)
Overlapping Review History: reviewed 6 of 9 top products
Least Trusted Reviews
Didn’t seem to improve [Go to full review]
Aug 7, 2024
0%
TRUST
TRUST
-
Verified Purchaser
-
Created on a high volume day -
Contains repetitive phrases (show)
-
One-Hit Wonder -
Critical Reviewer (avg. rating: 3.0)
Analysis Details
Fail Suspicious Reviewers
Suspicious Reviewers
One-Hit Wonders
Less than approximately 10% of reviewers have only reviewed this product. The One-Hit Wonders have rated this product an average of 3.0 while the reviewers who have posted more than one review have rated this product an average of 4.8. Based on our statistical modeling, the discrepancy in average rating between these two groups is significant enough to believe that the difference is not due to random chance, and may indicate that there are unnatural reviews.
Take-Back Reviewers
Approximately 45% of reviewers have had at least one of their past reviews for another product deleted. While this is more Take-Back Reviewers than we'd expect to see, it does not appear to have a significant impact on the overall rating.
Warn Rating Trend
Rating Trend
It appears that several reviews were created during just a short period of time.
Read more about our Rating Trend test.
Read more about our Rating Trend test.
Warn Phrase Repetition
Phrase Repetition
Reviews that contain one of these phrases are NOT necessarily devalued; read more about how this test works here.
Common Phrases in Reviews:
Show MoreShow Less
~6% of reviews
(4.5/5)
(4.5/5)
~6% of reviews
(4.5/5)
(4.5/5)
~10% of reviews
(4.3/5)
(4.3/5)
~10% of reviews
(5.0/5)
(5.0/5)
~6% of reviews
(4.5/5)
(4.5/5)
~6% of reviews
(4.5/5)
(4.5/5)
~6% of reviews
(5.0/5)
(5.0/5)
~10% of reviews
(4.7/5)
(4.7/5)
~10% of reviews
(4.7/5)
(4.7/5)
Common Phrases in Titles:
~74% of reviews
(5.0/5)
(5.0/5)
~23% of reviews
(4.0/5)
(4.0/5)
~100% of reviews
(4.7/5)
(4.7/5)
Approximately 80% of reviews use substantial repetitive phrases between them. This is an excessively large percentage which may indicate unnatural reviews.
Pass Unverified Purchases
Unverified Purchases
-
- 0%
- Unverified Purchases
0 of the 99 total reviews for this product are unverified purchases. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.
Unverified purchases may be the result of Kindle Unlimited readers, buyers who didn't pay full price, or reviewers who did not purchase the product at Amazon. Read more about our Unverified Purchases test.
Pass Word Count Comparison
Word Count Comparison
-
- <10%
- Have an overrepresented word count
We didn't find any review word count groups that had a statistically significant greater concentration than what we'd expect to see in this category.
Read more about our Word Count Comparison test.
Read more about our Word Count Comparison test.
Pass Overlapping Review History
Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:
<10% also reviewed:
Altoids Mints, Wintergreen,1.76 Ounce - 2 Count by Altoids
<10% also reviewed:
Logitech X100 Mobile Wireless Speaker (Orange) by Logitech
<10% also reviewed:
Lorraine Home Fashions Hastings Tailored Window... by Lorraine Home Fashions
<10% also reviewed:
eb5 Intense Moisture Anti-Aging Face Cream | Tone... by eb5
<10% also reviewed:
Vtin Bluetooth Receiver-Black by Vtin
<10% also reviewed:
Ipow Foldable Portable Travel Hanging Rack Drip... by IPOW
<10% also reviewed:
Samsung Gear IconX 2016 Cordfree Fitness Earbuds... by Samsung
<10% also reviewed:
Catstages Scratch & Groom Corrugated Cat... by Catstages
<10% also reviewed:
Energizer LED Headlamp Pro360, Rugged IPX4 Water... by Energizer
Approximately 15% of reviewers have substantial overlapping product review history. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.
Pass Reviewer Ease
Reviewer Ease
The ease score is the average rating for all reviews that a given reviewer submits. The average ease score for reviewers of this product is 4.2, while the average ease score for reviewers in this category is 4.3.
4.2 Product's Average Ease Score
4.3 Category's Average Ease Score
Read more about our Reviewer Ease test.
Pass Brand Repeats
Brand Repeats
Brand Repeaters
We didn't detect a substantial amount of Brand Repeaters.
Pass Incentivized Reviews
Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.
-
- <10%
- Admitted to receiving an incentive
We didn't detect any reviews that used language indicating they were incentivized.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Read more about our Incentivized Reviews test. Check out our study showing that Incentivized Reviewers are much more likely to leave a positive review.
Pass Deleted Reviews
Deleted Reviews
- 0
- Reviews have been deleted
We have not discovered any deleted reviews for this product.
There are a few limitations to keep in mind regarding the Deleted Reviews test:
There are a few limitations to keep in mind regarding the Deleted Reviews test:
- We don't have a magic ability to collect every single deleted review; we can only identify reviews as deleted if we collect them on one date and then notice they are no longer visible on a subsequent date.
- We have no information on reviews that were never published in the first place.
- We also don't know why these reviews were removed. It could be action from the platform, personal decision by the review author, part of an entire account closure, even some data error on our part, etc.