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  • How are reviewers describing this item?
    great, first, best and good.
  • Our engine has detected that Amazon has altered, modified or removed reviews from this listing. We approximate total reviews altered up to 66.
  • Previous analysis of this listing was an C grade.
  • 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 60.7% of the reviews are reliable.
  • This product had a total of 422 reviews as of our last analysis date on Jan 10 2020.


Most positive reviewquestion

I take ALCAR with Brain Boost and it definitely helps increase my energy and concentration.

Least positive reviewquestion

Not enough review data to provide meaningful insight.

Most authentic reviewquestion

Helps maintain peripheral neuropathy condition

Least authentic reviewquestion

I take it first thing in the morning before eating and it works for me!

Helpful Insights


    Posted by a reviewer on Amazon

    I've taken this for a bit and i believe i can tell a difference, maybe.

    Posted by a reviewer on Amazon

    It could be just me and not a reflection on the product.

    Posted by a reviewer on Amazon

    I first tried using l-carnitine from puritain's pride and although the price was a little less, the quality control was terrible.

    Posted by a reviewer on Amazon

    I also read puritain's reviews and other customers had complained about the same thing.

Review Count History
Price History