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iHerb Customer Reviews



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  • Doctor's Best uses pharmaceutical-grade carnitine fumarate, manufactured by Sigma-Tau of Italy.
    Special Pricing for a Limited Time!

  • Customer Ratings

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    Reviews | English
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    Posted by Reviewer1673055 on Dec 16, 2010

    good price and great product

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    more energetic throughout the day

    Posted by 5591067921602392245 on Nov 13, 2015

    i take this with breakfast and lift weights thrice a week. I've noticed i have more energy even after a hard workout. before i used to feel tired after working out and needed a power nap... not anymore. also i now notice more muscle definition and a more compact frame. my clothes fit more comfortably too. dont take it during the night or you'll feel too energetic to sleep.

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    It Works

    Posted by 5582280338800294405 on Sep 21, 2014

    I can Feel it....some change better...

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    Very Good Supplements

    Posted by Waleed on Nov 16, 2014

    Very Good Supplements

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    Very Happy Customer

    Posted by Reviewer3140122 on May 11, 2016

    My package arrived in very good packaging and on time. I am very happy with the quality of the product and feel so much better since taking Best L- carnitine. If you are feeling tired give these tablets a go you won't be disappointed.

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    2nd order

    Posted by 5587240510780236946 on Jan 23, 2014

    love this supplement!

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    its good

    Posted by 5414950434934335699 on Apr 16, 2014

    I think its good

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    Makes a difference

    Posted by Soundolove on Apr 28, 2014

    This has been working well for me

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    Losing Weight, feeling great

    Posted by cherielynnae on May 07, 2014

    I must admit I started taking this on Dr. Oz's recommendations several months ago, and I am losing weight. I only take one in the morning and one at night, because I dont feel like eating more than 2x a day, i have no appetite really, or it conflicts with my busy schedule. But Im losing weight, and Im happy about it. One thing I wished it didn't have was Magnesium stearate (vegetable source), silicon dioxide, modified cellulose (vegetarian capsule). None of that is good for you and it builds up, and it seems like most supplements have it in.

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    Posted by 5703850621387951502 on May 29, 2014


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