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  1. C

    Does Theanine actually agonize GABA receptors / increase GABA? +Serotonin

    I've seen some people concerned with GABA rebound effects from l-theanine due to effects on increasing GABA. Theanine is commonly mentioned as a gaba agonist. 1. Does it actually have significant effects on GABA that would lead to rebound? 2. Would a daily gram amounts be safe for potential...
  2. RenaissanceMan

    Theanine Ameliorates Neuroinflammation And Protects Against Endotoxin-Induced Inflammation and Acute Liver Injury

    https://pubmed.ncbi.nlm.nih.gov/29969892/ Theanine, a unique bioactive constituent from tea ( Camellia sinensis) leaves, is widely used as a functional ingredient and dietary supplement. To evaluate the anti-inflammatory and hepatoprotective effects of theanine and its molecular mechanism, the...
  3. A

    Cheap and effective anti-cortisol supp/alternative to ashwaghanda

    I have taken ashwaghanda and it really gave me that idgaf feeling, I enjoyed it definatly but upon hearing about the side effects I won't be using it again as I don't want anhedonia. Are there any cheap anti-cortisol alternatives that are effective and can give you that complete control and at...
  4. Velve921

    Saw Success With A Sleep Combination

    Last night I experimented with this: 1mg of cypro 5mg of doxylamine succinate 5mg of theanine ice cream sea salt I normally wakeup 1x per night to urinate and have a history with an excessive urination issue. With this combination I went through the entire night without waking up and woke up...
  5. BearWithMe

    Fitlered Coffee Decreases All-cause Mortality, Unfiltered Not

    Coffee consumption and mortality from cardiovascular diseases and total mortality: Does the brewing method matter? Abstract The aim of this study was to investigate whether the coffee brewing method is associated with any death and cardiovascular mortality, beyond the contribution from major...
  6. haidut

    Theanine As A Novel Painkiller

    The placebo effect has been confirmed in many studies, and there have even been calls to change its name since the current one is at best a misnomer - i.e. we seem to have a much more fundamental and physical connection with our environment than the presence or lack of chemicals/drugs can...
  7. H


    Add-on Pregnenolone with L-Theanine to Antipsychotic Therapy Relieves Negative and Anxiety Symptoms of Schizophrenia: An 8-week, randomized, double... - PubMed - NCBI (Add-on Pregnenolone with L-Theanine to Antipsychotic Therapy Relieves Negative and Anxiety Symptoms of Schizophrenia) I have...
  8. haidut

    Theanine May Treat Depression In Humans

    It is a human study, and it used a relatively low dose theanine - only 250mg daily for 8 weeks. Theanine improved virtually all symptoms including actual symptoms of depression, anxiety, and cognitive function. I wonder what would double that dose have achieved given the study I posted about...
  9. P

    Theanine Is A Candidate Amino Acid For Pharmacological Stabilization Of Mast Cells

    Theanine is a candidate amino acid for pharmacological stabilization of mast cells. - PubMed - NCBI The increasing occurrences of allergic disorders may be attributed to exposure to environmental factors that contribute to the pathogenesis of allergy. The health benefits of green tea have been...
  10. P

    L-theanine Inhibits Nitric Oxide Production In Brain

    http://www.ncbi.nlm.nih.gov/pubmed/26957301 L-theanine is unique amino acid which readily crosses blood brain barrier and possesses neuroprotective potential against neurodegenerative disorders including Huntington disease (HD). HD is characterized by selective loss of GABAergic medium spiny...
  11. P

    Add-on Pregnenolone With L-Theanine To Antipsychotic Therapy Relieves Negative And Anxiety Symptoms

    Add-on Pregnenolone with L-Theanine to Antipsychotic Therapy Relieves Negative and Anxiety Symptoms of Schizophrenia: An 8-week, randomized, double... - PubMed - NCBI Abstract AIMS: Pregnenolone (PREG) and L-Theanine (LT) have shown ameliorative effects on various schizophrenia symptoms. This...
  12. thegiantess

    Theanine Is Ahhhh-mazing

    I had my doubts about Theanine and all be hype around it on this forum. I had used it here and there in the past and never really noticed much. However I have an acute stress I am trying to supplement my way out of (posted about here before asking for a supp stack) and the upcoming stress...
  13. M

    L-Theanine Without Additives

    does anybody know any good theanine supplements? without any bad stuff in it
  14. D

    Theanine Brands - Which Is Best?

    Out of these three: - Doctor's Best, Suntheanine L-Theanine - Jarrow Formulas, Theanine - Now Foods, L-Theanine which is the "best", or which have you personally used with success?
  15. K

    Theanine Promotes Nitric Oxide Production?

    I was wondering what you guys think of this study: L-theanine promotes nitric oxide production in endothelial cells through eNOS phosphorylation. - PubMed - NCBI I take quite some theanine daily, 200mg up to 1 gram a day. I like it, but I'm not sure if I shouldn't take it, if it promotes...
  16. haidut

    Theanine Completely Abolishes The Cortisol Response To Stress In Humans

    As I mentioned in my recent post on glycine lowering cortisol, I have suspected for a long time that inhibitory amino acids that act as GABA agonists will lower cortisol levels. The reason for this suspicion is that GABA agonist pharma drugs are used for treating the high cortisol of people with...
  17. milk_lover

    Taking L-theanine With Milk Is A Waste Of Money?

    This study (see attachment below) claims that addition of only 50 ml milk to tea (the source of L-theanine) is enough to cause a significant reduction of free L-theanine extracted from tea due to a binding process. It continues to say it is unknown if L-theanine would be released again in the...
  18. B

    Searching For L-theanine

    Hello there, I am searching for l-theanine and glycine powders with high purity. I stumbled over products with this certificates: http://www.bulkpowders.co.uk/assets/coa ... 062015.pdf http://www.bulkpowders.co.uk/assets/coa ... 062015.pdf Would you think they are of good quality ?
  19. haidut

    Theanine Stops And Reverses The Stress Reaction (cortisol, Noradrenalin, Dopamine)

    Theanine seems more and more like a really good tool in the fight against stress. These two studies basically show that theanine should be able to stop the stress reaction in its tracks and also reverse whatever cognitive damage chronic stress exposure did to the organism. The major findings...
  20. haidut

    Theanine Restrains The Over-stimulating Effects Of Caffeine

    After writing about how niacinamide helps reduce the "jitters" of caffeine, especially in high doses, I did some research on theanine and in the process I found quite a few studies claiming synergism between the two and that theanine also helps restrain the nervousness that caffeine may cause in...