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GABA

Physical Product · Supplements & vitamins · 11 mentions · 1 subreddit · discussed in r/Supplements

Reddit take

Not enough linked mention summaries yet; the source excerpts below are the evidence.

Pros

  • GABA or sub-sensory valerian root can help gently
  • I can recommend GABA, I take it just before sleep, and I definitely sleep better than without it
  • GABA is a great sleep supplement but maybe only take it 5 days a week so you don’t build up a tolerance.
  • For getting to sleep, I’ve been taking some of the top recommended supplements before bed - magnesium glycinate, l-theanine, apigenin, inositol, GABA, melatonin. These have all helped me fall asleep, but unfortunately not stay asleep.
  • Additionally, you might look into supplementing GABA.

Cons

  • Be careful with GABA and Taurine… they can make you more anxious.
  • definitely, GABA supplements did not work for me, I have a full bottle just sitting there collecting dust, so to speak.
  • Parent context: GABA's supplements ability to cross the blood brain barrier? it is a bad thing, for me is a waste of money, that is. On the other hand, Ashwagandha, just like L-theanine can be used both day or night, I mostly take it in...
  • I do not use GABA because its low absorption rate through the blood-brain barrier.
  • I started taking l- theanine and gaba that a friend recommended and while I thought it was helping, I also think it made things much worse.

Sentiment

5 positive (45%) · 1 mixed (9%) · 5 negative (45%)

Trust + time weighted score: -18% · raw score 0%

What redditors said (10 of 11)

Be careful with GABA and Taurine… they can make you more anxious.
negative · u/T****2 · r/Supplements · comment · Dec 24, 2025 · open on Reddit ↗
definitely, GABA supplements did not work for me, I have a full bottle just sitting there collecting dust, so to speak.
negative · u/T****1 · r/Supplements · comment · Dec 25, 2025 · open on Reddit ↗
Parent context: GABA's supplements ability to cross the blood brain barrier? it is a bad thing, for me is a waste of money, that is. On the other hand, Ashwagandha, just like L-theanine can be used both day or night, I mostly take it in the evening because I take L-theanine during the day. It's a matter of preference, I tested both supplements, both day and night and found L-theanine = day - Ashwagandha = night, … Reply: GABA's supplements ability to cross the blood brain barrier? it is a bad thing, for me is a waste of money, that is.
negative · u/T****1 · r/Supplements · comment · Dec 25, 2025 · open on Reddit ↗
I do not use GABA because its low absorption rate through the blood-brain barrier.
negative · u/T****1 · r/Supplements · comment · Dec 24, 2025 · open on Reddit ↗
GABA or sub-sensory valerian root can help gently
positive · u/s****p · r/Supplements · comment · Dec 7, 2025 · open on Reddit ↗
I started taking l- theanine and gaba that a friend recommended and while I thought it was helping, I also think it made things much worse.
mixed · u/P****2 · r/Supplements · Aug 18, 2025 · open on Reddit ↗
I can recommend GABA, I take it just before sleep, and I definitely sleep better than without it
positive · u/T****r · r/Supplements · comment · Jul 22, 2025 · open on Reddit ↗
GABA didn't do anything for me (they say it isn't very effective because it does not cross the blood brain barrier).
negative · u/R****a · r/Supplements · comment · Jul 15, 2025 · open on Reddit ↗
GABA is a great sleep supplement but maybe only take it 5 days a week so you don’t build up a tolerance.
positive · u/D****2 · r/Supplements · comment · Jul 4, 2025 · open on Reddit ↗
For getting to sleep, I’ve been taking some of the top recommended supplements before bed - magnesium glycinate, l-theanine, apigenin, inositol, GABA, melatonin. These have all helped me fall asleep, but unfortunately not stay asleep.
positive · u/V****4 · r/Supplements · Feb 9, 2025 · open on Reddit ↗

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