Is it true that excess melatonin is turned into serotonin in the morning, and excess serotonin is turned into melatonin at night? - Quora
Dr Janelle Sinclair - We're talking about 5-HTP this week, so I thought I'd give you a quick lesson on serotonin production and how 5-HTP is involved. . 1) Tryptophan (or L-Tryptophan)
![Pathway for the synthesis of 5-HT and melatonin from tryptophan. The... | Download Scientific Diagram Pathway for the synthesis of 5-HT and melatonin from tryptophan. The... | Download Scientific Diagram](https://www.researchgate.net/publication/41623123/figure/fig1/AS:282654315434013@1444401448481/Pathway-for-the-synthesis-of-5-HT-and-melatonin-from-tryptophan-The-functional-TPH.png)
Pathway for the synthesis of 5-HT and melatonin from tryptophan. The... | Download Scientific Diagram
![IJMS | Free Full-Text | The Uniqueness of Tryptophan in Biology: Properties, Metabolism, Interactions and Localization in Proteins IJMS | Free Full-Text | The Uniqueness of Tryptophan in Biology: Properties, Metabolism, Interactions and Localization in Proteins](https://pub.mdpi-res.com/ijms/ijms-21-08776/article_deploy/html/images/ijms-21-08776-ag-550.jpg?1605866549)
IJMS | Free Full-Text | The Uniqueness of Tryptophan in Biology: Properties, Metabolism, Interactions and Localization in Proteins
![The Role of 5 HTP as a Precursor for Serotonin and Melatonin in the Treatment of Anxiety , Panic Disorder , Sleep Disorder , Weight Management , Fibromyalgia , Migraine and Withdrawal from Antidepressant Medication | Semantic Scholar The Role of 5 HTP as a Precursor for Serotonin and Melatonin in the Treatment of Anxiety , Panic Disorder , Sleep Disorder , Weight Management , Fibromyalgia , Migraine and Withdrawal from Antidepressant Medication | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/13b8bb6db36e7453c83355f35a069713af84d4ba/4-Figure1-1.png)
The Role of 5 HTP as a Precursor for Serotonin and Melatonin in the Treatment of Anxiety , Panic Disorder , Sleep Disorder , Weight Management , Fibromyalgia , Migraine and Withdrawal from Antidepressant Medication | Semantic Scholar
![Tryptophan metabolic pathway. Abbreviations: 5-HT, serotonin; 5-HTP,... | Download Scientific Diagram Tryptophan metabolic pathway. Abbreviations: 5-HT, serotonin; 5-HTP,... | Download Scientific Diagram](https://www.researchgate.net/publication/51524052/figure/fig1/AS:202867605544970@1425378814841/Tryptophan-metabolic-pathway-Abbreviations-5-HT-serotonin-5-HTP-5-hydroxytryptophan.png)
Tryptophan metabolic pathway. Abbreviations: 5-HT, serotonin; 5-HTP,... | Download Scientific Diagram
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![5-methoxyindole metabolites of L-tryptophan: control of COX-2 expression, inflammation and tumorigenesis | Journal of Biomedical Science | Full Text 5-methoxyindole metabolites of L-tryptophan: control of COX-2 expression, inflammation and tumorigenesis | Journal of Biomedical Science | Full Text](https://media.springernature.com/lw685/springer-static/image/art%3A10.1186%2F1423-0127-21-17/MediaObjects/12929_2014_Article_562_Fig1_HTML.jpg)