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iHerb Customer Reviews



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  • Positively the best value in the world for certified Sigma Tau (Italian made) Acetyl L-Carnitine!
  • Reviews | English
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    Good for non-jittery energy

    Posted by Reviewer1327608 on Sep 14, 2010

    3 grams of this stuff gives me lots of non-jittery energy that lasts for several hours. It's particularly good combined with taurine, to keep me alert yet calm.

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    Very useful supplement

    Posted by Reviewer1317910 on Aug 23, 2009

    ALC is a very useful anti-aging supplement, particularly with regard to cognitive function. I haven't been taking it long enough to give definitive validation in this area. However I have noticed that gym workouts seem to be easier - I am not feeling as tired as I used to. Doctors Best make high quality, very affordable supplements. I will continue buying this product from iHerb as their pricing and service is unbeatable - especially their international postage prices.

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    carnitine: Dr Oz warns against taking it

    Posted by Reviewer2631717 on Feb 11, 2015

    I watched an episode in which Dr Oz explained, with a heart specialist, that latest research shows that this will change in your intestine into a substance that sticks to your arteries, eventually clogging them causing strokes and heart attack. When I tried to return the bottle, it was refused because it is already open. Now the manufacturers are up to it and are saying l- carnitive is safe if you don't eat lots of red meat: steaks, roasts, and hamburgers = that's anti-amerikano!

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    Helps Increase My Energy

    Posted by Reviewer1928349 on Oct 31, 2009

    I've had chronic problems with severe fatigue for 2 1/2 years. I take 30+ supplements per day. This is one of a couple that I know for sure helps with my energy. I take 2 capsules, twice per day.

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    Posted by Reviewer1415050 on Oct 14, 2007

    This is the best form of this supplement I have used. My energy level is up, and I feel better in general.

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    Posted by Reviewer1529679 on Mar 08, 2011

    These give me heartburn. It was okay as long as I only took 1-2 capsules but the maximum dose 4 capsules give me a terrible heartburn. The lower dose does not give me more energy, which was why I wanted to try this product in the first place. Sadly a disappointment.

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    Works well with chemotherapy

    Posted by Reviewer1487212 on Apr 23, 2013

    Reduces fatigue as a result of chemotherapy significantly. This has been proven by several studies and by practical experience by myself when receiving many very highly dosed chemo's. It increases the energy levels in the cells and also acts as a detoxifier. I was (and am) significantly less tired than almost all other patients I know. I use other supplements as well so the success may be part of the combination of everything.

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    wonderful thing for my mom))

    Posted by 4756166449303345721 on Apr 17, 2013

    my mom is sure that this supplement had made her free from neck ache! after first use! she suffer from osteochondrosis and these capsules became real miracle for her) she takes 2caps/day during 2 monthes.

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    great product

    Posted by 5326895468119633372 on May 15, 2016

    This product increases my energy level and does help with mental clarity. I take it for CFS and fibromyalgia

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    best product

    Posted by 5509134295179483701 on Dec 02, 2014

    since using these over the past 12 months. my memory has improved and I am more alert and energetic after having a baby 5 years ago it felt like i lost part of me and now i have regained it all back there fantastic

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    Items 41-50 of 263 total

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