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Exogenous Ketone Supplement, KEY KETO: Patented BHB Salts (Beta-Hydroxybutyrate) - Formulated for...
More product info From KEY NUTRIENTS

Amazon Reviews for  Exogenous Ketone Supplement, KEY KETO: Patented BHB Salts (Beta-Hydroxybutyrate) - Formulated for Ketosis, to Burn Fat, Increase Energy and Focus, Supports a Keto Diet. Strawberry Lemonade (278g) (20)
Rating:
344 Ratings
258 Reviews
("Ratings" vs. "Reviews")
61% of potentially unnatural reviews removed (why?)
Adjusted:
View/Edit Adjustment
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Report Info:
Last Updated: Sep 15, 2020
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Note: While Amazon.com claims 344 Ratings, we counted 258 Reviews available on their site.
Note: We only analyze "reviews" and ignore one-tap "ratings".

Report Card

Fail Overall Grade
FAIL Unverified Purchases
FAIL Brand Repeats
FAIL Reviewer Ease
FAIL Reviewer Participation
WARN Deleted Reviews
WARN Suspicious Reviewers
PASS Rating Trend
PASS Word Count Comparison
PASS Phrase Repetition
PASS Overlapping Review History
PASS Incentivized Reviews

Most Trusted Reviews

Its does not work! [Go to full review]
Oct 30, 2019      
100% TRUST
  • Verified Purchaser
  • Take-Back Reviewer (1 deleted Review; avg. rating: 4.0)
  • Critical Reviewer (avg. rating: 3.3)


Least Trusted Reviews

I love how you can take these on the go. ... [Go to full review]
Aug 27, 2019      
0% TRUST
  • Unverified Purchaser
  • Brand Loyalist (5 of 8 reviews for this brand; avg rating: 5.0)
  • Overrepresented Participation (posted 8 Reviews)
  • Easy Grader (avg. rating: 4.5)


Analysis Details

Fail Unverified Purchases

30 of the 258 total reviews for this product are unverified purchases. The unverified purchasers have rated this product an average of 4.9 while the verified purchasers have rated this product an average of 4.5. 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.

from unverified purchasers

from verified purchases


4.9
4.5


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.

Fail Brand Repeats

Brand Loyalists


16 of the 258 reviewers have reviewed multiple products but half or more of their reviews are for this brand. This is an excessively large percentage of Brand Loyalists which may indicate unnatural reviews.

from Brand Loyalists

from Non-Loyalists


4.9
4.5


Brand Monogamists


8 of the 258 reviewers have reviewed multiple products, but only for this brand. This is an excessively large percentage of Brand Monogamists which may indicate unnatural reviews.

from Brand Monogamists

from Non-Monogamists


4.8
4.5


Read more about our Brand Repeats test.

Fail 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 4.4, while the average ease score for reviewers in this category is 4.1. 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.

4.4 Product's Average Ease Score

4.1 Category's Average Ease Score


4.4
4.1


Read more about our Reviewer Ease test.


Fail Reviewer Participation

  • 69%
  • From reviewers with an overrepresented participation

We see the following 2 participation groups with a statistically significant greater concentration than what we'd expect to see:In total, we found that 177 reviewers (or 69%) are within an overrepresented participation group. These reviews have rated this product an average of 4.6, while all other reviews have rated this product an average of 4.3. 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.

From reviewers with an overrepresented participation

From reviewers with a properly represented participation


4.6
4.3


Read more about our Reviewer Participation test.

Warn Deleted Reviews

We discovered a total of 4 deleted Reviews for this product, with an average rating of 4.3. 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.

4.3 average rating of deleted reviews

4.3


Show distribution of deleted reviews

Warn Suspicious Reviewers

Take-Back Reviewers


71 of the 258 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.

from take-back reviewers

from reviewers without previously deleted reviews


4.4
4.6


Read more about our Suspicious Reviewers test.

Pass Rating Trend

  • 3%
  • Created over 2 days

We counted 258 reviews for this product over the span of 978 days, an average of 0.3 reviews per day. If these reviews were created randomly, there would be a 99.9% chance that we would see 3 or fewer reviews on any given day.

However, we see the following 2 days exceeding this threshold:In total, we found that 9 reviews were created on just 2 days. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews created on high volume days

from reviews created on normal volume days


5.0
4.5


Read more about our Rating Trend test.

Pass Word Count Comparison

  • 0%
  • 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 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:
4 reviews
(5.0/5)
8 reviews
(5.0/5)
5 reviews
(4.6/5)
4 reviews
(5.0/5)
3 reviews
(4.7/5)
2 reviews
(5.0/5)
4 reviews
(5.0/5)
5 reviews
(4.6/5)
3 reviews
(5.0/5)
Show MoreShow Less
Common Phrases in Titles:
2 reviews
(4.5/5)


15 of the 258 total reviews for this product use substantial repetitive phrases between them. This is within an acceptable range and it does not appear to be significantly affecting the overall rating for this product.

from reviews with substantial repetitive phrases

from reviews without substantial repetitive phrases


4.8
4.5


Read more about our Phrase Repetition test.

Pass Overlapping Review History
Reviewers of this product have ALSO reviewed the following products:



27 of the 258 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.

from reviewers with substantial overlapping history

from reviewers without a substantial overlapping history


4.6
4.5


Read more about our Overlapping Review History test.

Pass Incentivized Reviews
On Oct 3, 2016, Amazon prohibited incentivized reviews, however we still test for them since there are still millions in our dataset.

  • 0%
  • 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.