tryptophan

  1. haidut

    Niacinamide Is Both A Serotonin And Tryptophan Antagonist

    I know this was discussed to a degree in another thread, but this study goes a bit further claiming that as being one of neurokynurenines niacin / niacinamide antagonizes the effects in the brain of both serotonin precursors and serotonin itself. http://www.ncbi.nlm.nih.gov/pubmed/15206724...
  2. M

    Why Do I Function Better When Restricting Protein?

    I have been recovering for almost a YEAR from a brief ketosis and low carb stint and have developed reactive hypoglycemia, chronic fatigue, brain fog and depression induced by the diet. My TSH levels have not been recently tested (tested back in October yet TSH levels did not indicate...
    • MightyFall
    • Thread
    • diet low-protein diet protein tryptophan
    • Replies: 5
    • Forum: Protein
  3. haidut

    Dopamine Precursors Restore Hair Color

    I found this study and I thought it was interesting. Ray has said that grey hair is cause by accumulation of tryptophan and I posted some studies on that as well. The question is whether other drugs such as pCPA, dopamine agonists (lisuride, LSD), prolacting antagonists (cabergoline), serotonin...
    • haidut
    • Thread
    • dopamine grey hair hair color restore study tryptophan
    • Replies: 60
    • Forum: Scientific Studies
  4. haidut

    Delaying/blocking Tryptophan Absorption In Gut

    Ray hinted in some of his email correspondence that BCAA competes with tryptophan for uptake not only in the brain but in cells throughout the body. I have been searching for studies confirming that and it seems I found some. They are attached to this email. Long story short - for every unit...
  5. haidut

    Tryptophan (serotonin) Depletion In Brain (and Elsewhere)

    I wrote on this topic several times and I know has commented on it as well in terms of lowering serotonin by loading up on gelatin and BCAA. One of the most potent methods for lowering serotonin in the brain is by taking the chemical p-choloro-phenylalanine (pCPA), which inhibits the enzyme...
  6. haidut

    Tryptophan And White / Grey Hair

    Hi all, I know Ray wrote about this before, but he did not provide a reference as far as I can remember. Here is a study that explains the link between tryptophan and white / grey hair. So, tryptophan depletion would be beneficial not just for lowering serotonin...
  7. Y

    The Tryptophan Problem

    I used to eat a lot of cheese and milk, but found I always had issues of some kind. I know peat says that calcium helps the body convert tryptophan into niacin, but I have never found a reference for that statement. Does anyone know? Recently I have been on a tryptophan-deplete diet (no animal...
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