Stop Aging Now CUR-Q10 Ultra Curcumin CoQ10 Complex Veggie Capsules Amazon Review Analysis

See our 2024 Adjusted Rating (based on our analysis of 293 Amazon reviews) for Stop Aging Now CUR-Q10 Ultra Curcumin CoQ10 Complex Veggie...

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0% of potentially unnatural reviews removed (why?)

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Report Card

Pass Overall Grade

FAIL Deleted Reviews

FAIL Suspicious Reviewers

FAIL Phrase Repetition

PASS Rating Trend

PASS Unverified Purchases

PASS Word Count Comparison

PASS Overlapping Review History

PASS Reviewer Ease

PASS Brand Repeats

PASS Incentivized Reviews

N/A Reviewer Participation

Most Trusted Reviews

Aug 20, 2019      

100%
TRUST

  • Verified Purchaser

  • Easy Grader (avg. rating: 5.0)


Least Trusted Reviews

Has really helped the arthritis in my knees, reduced the ... [Go to full review]

Mar 21, 2017      



Analysis Details

Fail Deleted Reviews

  • 19
  • Reviews have been deleted

We discovered a total of 19 deleted Reviews for this product, with an average rating of 4.4. Even though deleted reviews don't affect the average rating, the fact that action was taken to delete reviews raises some red flags about the integrity of the reviews for the product as whole.

There are a few limitations to keep in mind regarding the Deleted Reviews test:

  1. 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.
  2. We have no information on reviews that were never published in the first place.
  3. 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.

Read more about our Deleted Reviews test.


Fail Suspicious Reviewers

Take-Back Reviewers

  • ~50%
  • have previously deleted reviews

Approximately 50% of reviewers have had at least one of their past reviews for another product deleted. This is an excessively large percentage of Take-Back Reviewers which may indicate unnatural reviews.



Fail Phrase Repetition

Common Phrases in Reviews:



  • ~80%
  • Used substantial repetitive phrases

Approximately 80% of reviews use substantial repetitive phrases between them. These reviewers have rated this product an average of

3.9

while reviews without substantial repetitive phrases rated this product an average of

4.6

. 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.



Pass Rating Trend

  • 10%
  • Created on high-volume days

Pass Unverified Purchases

  • 2%
  • Unverified Purchases

6

of the

293

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.


from unverified purchasers

from verified purchases


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

  • 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.


Pass Overlapping Review History

Reviewers of this product have ALSO reviewed the following products:

Does not include products
from the same brand


  • ~25%
  • Substantial overlapping review history

Approximately 25% 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

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 4.3, while the average ease score for reviewers in this category is 4.3.



Pass Brand Repeats

Brand Repeaters

We didn't detect a substantial amount of Brand Repeaters.


Pass Incentivized Reviews

  • 10%
  • Admitted to receiving an incentive

N/A Reviewer Participation

We haven't collected sufficient data to run this test yet. more info


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