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

  • Reviews | English
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    not helpful to me

    Posted by Reviewer2302376 on May 21, 2012

    I've been using D-Ribose, CoQ10 Gels and L-Carnitine together. They apparently lower a person's blood sugar and blood pressure. In stead of more energy, I was so tired that I had to take a nap after taking them. Now I take them in the evenings, not sure if they make any difference. It's a huge disappointment because I was really looking forward to extra energy and losing weight.

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    Best L-Carnitine: side effects

    Posted by Reviewer2631717 on Feb 11, 2015

    I ordered this, as it is supposed to help burn fat, so that would mean less exercise right? Well what a shock when I saw Dr. Oz's report on it. He had a research doctor and heart specialist on his show that explained in detail how L-Carnitine is changed inside the intestines to a substance that clogs arteries and blood vessels and causes strokes and heart attacks. Dr Oz warned intensely against taking this as a supplement! I ordered 2 of these, but because I opened them, I was told they are not returnable.... my loss. Latest is that the manufacturers are onto Dr Oz: they counter his expert by saying that Carnitine is alright if you don't consume huge amounts of red meat such as steaks, roasts and hamburgers.

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    not for me

    Posted by Reviewer1894123 on Jul 08, 2009

    oh my god, the first day i tried it without food, hungry dizzy, the second day i tried it with foods, the same thing happenned no energy, i was not sure because i took other supplement at the same time vitamine 3 cq 10 vit c, so i tried it on its own and it did the same, i was really disappointed because of it i was not able to work out the day i took it, i'm looking for a supplement to help me not being so hungry, i think i'm insulin sensitive and i tried so many things so the next thing i'm going to try is gymnema sylvestra,

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    I haven't noticed any difference

    Posted by Reviewer1581364 on Jan 21, 2013

    I bought this because I read reviews from people with Chronic Fatigue Syndrome who say this gives them energy. I suffer from depression and have low energy so I thought, if this works for people with CFS, it should work for me. But no, I've been taken it for about 4 weeks and I don't feel any different. As far as weight loss, no weight loss either.

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    No result

    Posted by Reviewer1102822 on Oct 02, 2012

    Hasn't see any result yet while been taking one per day for a month!

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    I did not receive products!!!

    Posted by 5571232885096881712 on Oct 19, 2012

    I did not receive products!!!

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    not sure yet

    Posted by Reviewer1716061 on Jan 24, 2008

    I have not taken this long enough to experience results yet.

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