Does Gaba deplete serotonin? Because the last time I took Gaba for a few days, I woke up pretty depressed by the 3rd day. Took 5-htp for a couple of days and I was good again. Gaba also makes me feel like I've been hit by a bus in the morning.
Hi Clarity. I just saw your question and thought maybe I could share some thoughts with you that might help you or others. I know it's been a long time since you posted (me too before today), but hey, we're all doing our best, and helping each other in the end. I hope I can make a difference for you and others.
Here's the little bit I learned when I was researching the same thing (most of it shows the effect of serotonin on GABA...but maybe some of this will help you indirectly or at least increase your awareness, since I don't think anything's set in stone yet really in the literature:
- I read (saved the excerpt only) that "Serotonin antagonizes GABA (subset B) receptors, causing upregulation of this subtype. The activity of benzodiazepines (things like Ativan, Klonopin, etc) in the treatment of serotonin syndrome is thought to occur because these compounds acts as strong agonists (stimulants) at GABA subset B) receptors."
- I also saw that "GABA [a supplement used by bodybuilders to help their bodies break-down and build up over night a little better] acts as a serotonin reuptake inhibitor (opposite of your experience I guess)
- I've seen reports of "increased brain GABA concentrations following acute administration of an SSRI" (SSRI's basically leave more serotonin in the synapse to get across the synapse, since they inhibit reupdate at the presynaptic side).
- "Because serotinin is essential to GABA function, increasing levels in the body has a positive effect on GABA synethesis and function." However, more meaningful than that silly exerpt I saved is probably that GABA's absorption across the blood brain barrier (BBB) is NOT that good. What helps? Fish oil (omega 3 fatty acids) and B12. This is separate research you can find if you're interested. The point is you might try, as I do, taking your fish oil pill and vitamin B12 at night with your GABA. Let us know if you feel the GABA has better results.
- I remember also reading that serotonin (eg 5-HTP or SSRI) suppress GABAergic signaling. The excerpt I took was that "the suppression of GABAergic signaling provides a novel mechanism for serotonergic modulation of prefrontal cortex (the smartest part of your brain) neuronal activity, which may underlie the actions of many antidepressant drugs." What does all this mean? I don't pretend to know.
Now all that is kind of academic-sounding. Bottom line is, I'm pretty sure the signal each other to some degree in the brain. That said, I take 5-HTP usually once a day now at bed for a more "peaceful sleep"- few nightmares, more "thoughtful" dreams. By this I mean you have a greater sense of control/awareness and you're not as emotionally drained by your dreams in the morning)
and GABA. I'll bet you anthing that the 2 do interact somewhat through various signaling pathways, etc. But, in the end, HTP has its advantages (ones I just cited) and GABA gives you "deeper, more healing" sleep, generally. But can cause up/down regulation, like anything, so always "start low and go slow" with any medication.
Incidentally (if I may) I wanted to share something very important with people taking HTP ("mood enhancer"). As everyone knows it's basically a precursor to serotonin that they sell in most every store or pharmacy now. Basically, the idea is that produce more of the feel good neurotransmitter, serotonin. The thing is, HTP (or "5-HTP"), can sort of accumulate, to a degree, after months.
Here's what I mean: 90% of your serotonergic receptors are in the brain, HEART and gastrointestinal systems. Why do I even share this with you? Because I want to share potential side effects with you, at least for greater awareness. For example, after months (my wife reported the same and almost around the same time), your heart can start to POUND or race (2 different things) and (besides being potentially life-threatening) THAT pounding itself can interfere with your sleep (can worsen induction and actually wake you up--I've experienced both these things. "The pounding you can almost hear/feel in your head. Plus you're kind of overstimulated so, just like exercise (where the heart is also racing), that extra heart activity can be bad for sleep. This is usually a sign to STOP the HTP (or at least take a break from it and cut it down). Both me and my wife have experienced this important side effect. You can also get loose stools. These 2 systems' side effects are VERY common. Obviously, if you have a bad heart, history of palpitations, family history of heart disease, uncontrolled hypertension, etc etc (talk with your doctor to see if your heart is healthy enough for HTP!), then you should seriously consider AVOIDING HTP, or at minimum, using a low dose. Yeah, some of this stuff almost sounds like Viagra warnings, lol, but it's the same concept really.
Now, for those who are healthy enough to take HTP, the cool thing about those 2 side effects is that they also serve as "warning signs", where you may want to cut back on your HTP or SSRI (esp if it's your heart). In these cases, I STOP the HTP altogether for about 2 weeks and reinitiate at maybe half the dose. Sometimes that means to cutting out your morning (or evening dose) altogether. REMEMBER, just like L-Theanine has 2 totally disparate advantages (sleep and markedly improved daytime concentration), so HTP has 2 totally disparate advantages:
improved sleep and, as I shared in my first or second post I believe, it can also significantly improve your "irritability" factor. Most of us will not admit we have such a problem, but what's amazing is that HTP makes a huge difference in your daytime irritability (your less irritable with others, like your boss, coworkers, generally annoying people, traffic, etc). No, you're not a zombie. You're just a lot less negatively engaging / negatively reactive. That alone improves your sleep.
All that said, my own experience is that GABA (not unlike alcohol) helps you fall asleep FAST (but it makes you "want to" wake up earlier (
also like alcohol). In my experience, it sort of sets an internal alarm for about 5 hours). This may just be me, but it's been my repeated experience, and maybe this will help some of you just to be aware of this. Speaking of which, Ativan (lorazepan) sets me to about 9 hours (people should avoid benzos, if possible, generally since you can build tolerance, although, honestly GABA, ambien etc can also "upregulate" overtime); and Ambien sets me at about 9.5 hours. So, I can take advantage of this when I have to get "some" sleep "but" wake up early. I might hold off on the others and just take GABA that night. The thing is, while GABA does give you deeper sleep (stages 3 & 4), WHILE you're sleeping, because you tend to wake up earlier, sometimes you'll feel "awesome" when you wake up and other times you'll feel like you wish you had 1 more sleep cycle (one sleep cycle = 40 minutes). You experienced a 3rd scenario: "Gaba also makes me feel like I've been hit by a bus in the morning." I've experienced that a lot too. Here's what I think about that: 2 things really: 1) because GABA kind of wakes you up "abruptly", that can SOMETIMES be in the middle of your sleep cycle...which can theoretically be MID stages 3 & 4 sleep (deeper sleep when your body is generally paralyzed). So you'll feel, precisely "like I was hit by a truck (bus)". On those mornings, just try and lie down for EVEN another 10 mins (in my experience). That allows your body (to use an expression I often use) to "fast forward" (basically for your brain waves to catch up to your body's "awake" cycle). That 10 mins can make a HUGE difference and help lift that f'ing heavy truck that won't even let you get through the day. So, everybody, keep that in mind. If you have this experience, try (however obvious) giving yourself an (at least) 10 min snooze. Remember, too, I shared with people earlier that, if you have trouble falling BACK asleep (as in this snooze scenario), you can try L-Theanine. However (again, just my experience), I usually get about 3 more hours of sleep when I take L-Theanine. Obviously, each person is different, and obviously, if you can snooze easily, just try it on your own without anything extra.
By the way, I don't know if I shared my theory with people here yet, but (this is a side note) for anyone out there who suffers from ADHD (Attention Deficity Hyperactivity Disorder, formerly known as "ADD"), and you've "failed everything", I want you to CONSIDER trying L-Theanine. I think you or your loved one may experience a life-changin difference. Sorry, I know that's not direclty on the topic, but it is an "added advantage" of L-Theanine, not related to sleep per se. My theory is that, just as it helps you focus on your sleep, it also helps you focus in the day. I think that just as a "non-ADHD person" (like me) has experienced dramatic improvements in his ability to focus/concentrate in the daytime, my belief (only a theory) is that ADHD suffers *might* also experience the same benefits. My productivity improves, like, 3-10-fold each day when I take it. That's why I always take 100mg L-Theanine (I use brand SunTheanine because it has more of the active isoform (basically it's more pure)) twice a day: AM and, again, 8h alter when it begins to wear off (which matches the half-life, if I remember). I DON'T take it at night before bed UNLESS I am "overtired" (that's that horrible feeling when your heart and body are so tired but your mind is still going and you can't seem to sleep, at least that's how I describe overtired). L-Theanine is great for that too because, as I shared with one other individual here, it helps smooth the transition (better sleep induction) by altering your brain waves to more "alpha" or pre-sleep.
Some of you might be wondering, "hey, what the heck. How can it be good for sleep AND be good for daytime concentration?!" Well, I don't pretend to have all (or many) of the answers. But the .zip I attached in my 1st or 2nd post on L-Theanine has the answer if I remember. Think of it this way: Not unlike athletes, whether you're focusing in the daytime or focusing on your sleep, it sort of "puts you in the zone". This is consistent with other research I've done on athletes who show the SAME level of brainwave activity when they're "in the zone" (I think it's also alpha waves). I'm no expert but my greatest hope is that this information will help a lot of you, directly or indirectly.
Incidentally, remember I talked about how GABA gave me horrible nightmare the first night? (and then, again, the first night when I tried it weeks later)? Well, it disappeared after the first night on reintroduction. I think the first night you sort of "dump" whatever neurotransmitter. I thought "well, that's just me", but then my wife experienced the same, exact style of nightmare her first night (same quality as mine where you feel paralyzed, kind of like hypnopompic hallucinations).
Lastly, on a somewhat related note, for anyone who suffers from hypnopompic hallucinations (also known as "sleep paralysis"), and hasn't yet been cured,
try cutting out your caffeine completely. You'll be amazed and may actually never experience these paralyzing nightmares again.
Thanks for allowing me this opportunity to, hopefully, make a difference for you and anyone else who wants to learn more. Let me know how things work out. I don't check in here as often as I should. Have a great day.