GABA 500 mg | GNC
Kosher Kosher
Vegan Vegan
Vegetarian Vegetarian
Kosher Kosher
Vegan Vegan
Vegetarian Vegetarian
Note: This product cannot be sold in Canada

Product Information



Natural Neurotransmitter*
  • Promotes Relaxation*
  • Natural L-Form
  • With Vitamin B-6
GABA (Gamma-Aminobutyric Acid) is a non-protein amino acid that functions as a neurotransmitter in the human brain.* GABA is naturally produced in the body and its presence within the central nervous system may help promote relaxation and ease nervous tension*. NOW provides only the naturally occurring L-form of GABA as found in food, as well as in the body.


Nutrition Facts
Serving Size  1 Vegetarian Capsule(s)
Servings Per Container  100

Amount Per Serving     % DV

Vitamin B-6 (from Pyridoxine HCI) 2mg   100%

GABA (gamma aminobutyric acid)  500 mg   **

** Daily Value (DV) not established.
Other Ingredients
Cellulose (capsule), Rice Flour, Silica, Magnesium Stearate (Vegetable Source)
Label (click image to enlarge)

How To Use

Take 1 capsule 2 to 3 times daily as needed, preferably with juice or water on an empty stomach.
For adults only. Consult physician if pregnant/nursing, taking medication, or have a medical condition. Keep out of reach of children., Do Not Eat Freshness Packet. Keep in Bottle.
Store in a cool, dry place after opening.
395 S. Glen Ellyn Rd.
Bloomingdale, IL 60108


4.3 / 5.0
9 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
It works
This is a great pill if you get angery, depression and also great if you have many other issues, this is farely new and i say is so good, it works
May 19, 2018
Life Changing
My daughter is 10 and has Oppositional Defiant Disorder. GABA has helped her not be in fight or flight 24/7. She is calmer and less argumentative! We love it! Because of GABA, we are not the same family we were just 2 short months ago!
February 14, 2018
1 year ago
I will purchase this product again because it works well.
August 22, 2017
1 year ago
Now® GABA 500 mg
very satisfied,,this is a great product,,great service too!
March 27, 2017
very good
did not help much I took three capsules a day and it did nothing. 1 star I would not recommend there are many other supplements you can take that would possibly work better
May 2, 2015
Soothes my anxiety
This works great for my anxiety. I had some trouble with anxiety after I quit drinking and this keeps me level at work. If you work in a stressful field and have a brain that doesn't turn off I would suggest taking gaba and meditating once a day for a while. Then you can just take the gaba on more stressful days.
March 30, 2015
Stress Relief and Calming
After doing some research, I got this for my husband to take to help with stress and anxiety. GABA is said to be a neurotransmitter and work with brain function. This GABA with the B-6 added is great for daytime because it helps keep energy up. He takes the 750 mg at bedtime, but found that it (the 750) makes him tired if taken during the day. He takes a couple in the morning, then in the afternoon, then his bedtime 750 mg. We can tell a difference with his stress and anxiety, but it may take a bit before you can see the full benefits. I have also read that it works for epilepsy, but have no experience with that myself. He has seen no side effects. One quick note - you should not take it at bedtime with Valerian, or you may be super sluggish the next day.
September 3, 2013
So much better with Gaba
My mind is noticably calmer when I take GABA. I am ADD and my mind is usually all over the place at the speed of light. I take one capsule twice a day and my mind is much calmer and it is easier to think and make sense of things. I don't get overwhelmed as easy.
July 12, 2011
Good for sleeping
I take three capsules about a half hour before bed and really puts me in a nice deep sleep. I feel so much better throughout the day. I'm going to try three grams tonight.
June 8, 2010
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 2 questions Browse 2 questions and 4 answers
I was wondering if anyone knows if this is safe to take while trying to become pregnant? I really need something to relax me and help with anxiety but all prescription meds are not allowed while trying to conceive, so I am trying to find something natural, these have made a big difference in my brother and I really want to take them but need to make sure they are safe if I become pregnant.
A shopper on Dec 29, 2011
BEST ANSWER: There haven't been any real studies done on the safety of GABA supplements while pregnant or nursing so it's usually not recommended that they be taken at any stage of pregnancy since it's simply not known if it would harm the fetus or not.
Where do you store it?
ashley r on Jan 29, 2019
BEST ANSWER: I keep mine in the medicine cabinet. Bottle says keep in a cool dry place.