Customer Reviews

* FTC Disclaimer: The views and opinions expressed by contributors of the product reviews are their own and not necessarily those of These reviews should not be taken as recommendations but rather customer opinions of the products that they may or may not have used. Furthermore, makes no warranty or representation, expressed or implied, as to the accuracy or sufficiency of the information contributed by outside sources, and assumes no responsibility or liability regarding the use of such information. does not warrant the performance, effectiveness or applicability of any materials listed or linked to on

  • 1/5 April 18, 2017
    Reviewer: Jason in New York
    * Little to no effect for me took 7 caps and did not notice anything good did not help put me to sleep or stay asleep
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  • 1/5 March 27, 2015
    Reviewer: Frank in Illinois
    * I found this product very disappointing. I knew that the HGH claims were suspect (google brain barrier) so I purchased this hoping it would help with sleep. It provided no noticeable benefit for me.
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  • 5/5 June 24, 2014
    Reviewer: ERICH in Arizona
    * Had trouble sleeping since last military deployment; GABA helps me sleep like a rock! Also recovering from quinolone antibiotic poisoning - I believe the GABA has been essential in recovery.
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  • 5/5 May 06, 2012
    Reviewer: Jon in Ohio
    * This really does knock you out. I fall asleep within 30-60 minutes of taking this. I sleep for hours before waking. I used to wake 3-4 times a night. Now I only wake up once a night, if at all.
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  • 5/5 February 11, 2010
    Reviewer: A customer in New Hampshire
    * This stuff is GREAT! I've been doing P90X for one month now and haven't slept so great from being sore all the time. Slept like a baby the first night and felt great the next day and in a very relaxed good mood! Day two and three were just the same. Not sure if this stuff is supposed to relieve the soreness but I have noticed a huge difference on the second day after heavy lifting. I have not been nearly as sore. I did not expect this benefit at all so this is a HUGE bonus for me! I have only been using three grams and its been working great...very deep sleep and very refreshed in the morning. I used to take Secretagogue One one but not any more! 20 bucks..less than a dollar a day for GREAT sleep.....priceless!!
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  • 5/5 July 20, 2009
    Reviewer: Arena in United Kingdom/Great Britain
    * Haven't tried any other brand , but AST GABA is banging. After a couple months of continuous use I started seeing kilos drop off me even when I wasn't expecting them to. Had a funny experience a couple weeks ago when I got on scale to see "how much damage I had done" while I had overseas visitors...... I was -2Kg when I was expecting +2Kg. You certainly dream up a storm as well. Don't take more than the stated 5g though or you'll be groggy in the morning.
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  • 5/5 August 23, 2007
    Reviewer: Chris in Iowa
    * Good sleep recovery supplement. Can't taste it at all. Good night sleep. The side effects are short such as shortness of breath and tingling of your skin, but that's just GABA doing its job. There is one bad thing - do not smell the powder. It has an AWFUL smell.
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  • 5/5 April 04, 2007
    Reviewer: Huw in United Kingdom/Great Britain
    * I use this when on stressful training cycles and it works a treat for getting a restful nights sleep. The increase in GH levels is an added bonus. The only downside is the need to cycle as its potency diminishes over time. AST's is the best I've tried.
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  • 5/5 February 08, 2007
    Reviewer: A customer in Armed Forces AE
    * In general, I find GABA a great product for inducing relaxation / sleep. Don't start off with too high a dose, because the "side effects" are a bit "scary" if you aren't prepared for them.
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  • 0 of 1 people found the following review helpful
    5/5 October 20, 2006
    Reviewer: Daniel in New York
    * I'm not sure about the claim of a 550% increase in GH after taking this. I'm very sure however of it's ability to relax the muscles and the brain. Before bed I take 3-5 grams (usually 5) and place it under my tongue, hold it there for several minutes and then wash it all down with a big glass of water. The side effects are minor and short lived, a slight tingling in the face with a slight shortness of breath. You will feel tired after taking this and should get to bed as quickly as possible. The sleep you will experience is very deep with many many dreams, almost all vivid. Upon waking I feel very refreshed which is often difficult because I work 3rd shift. It also seems to help with recovery from heavy workouts.

    *Excellent sleep aid

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