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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1964 2
1966 5
1967 5
1968 11
1969 17
1970 11
1971 17
1972 19
1973 19
1974 19
1975 13
1976 17
1977 22
1978 21
1979 23
1980 17
1981 18
1982 19
1983 18
1984 10
1985 17
1986 29
1987 19
1988 10
1989 16
1990 17
1991 19
1992 14
1993 8
1994 11
1995 9
1996 10
1997 10
1998 19
1999 15
2000 11
2001 12
2002 15
2003 11
2004 15
2005 15
2006 15
2007 17
2008 8
2009 16
2010 12
2011 12
2012 15
2013 20
2014 21
2015 21
2016 26
2017 24
2018 38
2019 27
2020 36
2021 46
2022 52
2023 46
2024 31

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1,026 results

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Page 1
The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression.
Sutanto CN, Loh WW, Kim JE. Sutanto CN, et al. Nutr Rev. 2022 Jan 10;80(2):306-316. doi: 10.1093/nutrit/nuab027. Nutr Rev. 2022. PMID: 33942088
CONTEXT: L-tryptophan (Trp) has been documented to aid sleep, but a systematic compilation of its effect on sleep quality is still limited. ...However, Trp supplementation did not affect other sleep components. CONCLUSION: Trp supplementation, especial …
CONTEXT: L-tryptophan (Trp) has been documented to aid sleep, but a systematic compilation of its effect on sleep quali …
Sleep and Nutrition Interactions: Implications for Athletes.
Doherty R, Madigan S, Warrington G, Ellis J. Doherty R, et al. Nutrients. 2019 Apr 11;11(4):822. doi: 10.3390/nu11040822. Nutrients. 2019. PMID: 30979048 Free PMC article. Review.
This narrative review explores the relationship between sleep and nutrition. Various nutritional interventions have been shown to improve sleep including high carbohydrate, high glycaemic index evening meals, melatonin, tryptophan rich protein, tart cherry ju …
This narrative review explores the relationship between sleep and nutrition. Various nutritional interventions have been shown to imp …
Psychological and Sleep Effects of Tryptophan and Magnesium-Enriched Mediterranean Diet in Women with Fibromyalgia.
Martínez-Rodríguez A, Rubio-Arias JÁ, Ramos-Campo DJ, Reche-García C, Leyva-Vela B, Nadal-Nicolás Y. Martínez-Rodríguez A, et al. Int J Environ Res Public Health. 2020 Mar 26;17(7):2227. doi: 10.3390/ijerph17072227. Int J Environ Res Public Health. 2020. PMID: 32224987 Free PMC article. Clinical Trial.
Anxiety, mood disturbance, eating and sleep disorders, and dissatisfaction with body image are prevalent disorders in women with fibromyalgia. The authors of this study aimed to determine the effects of tryptophan (TRY) and magnesium-enriched (MG) Mediterranean diet …
Anxiety, mood disturbance, eating and sleep disorders, and dissatisfaction with body image are prevalent disorders in women with fibr …
Tryptophan Metabolism and Gut-Brain Homeostasis.
Roth W, Zadeh K, Vekariya R, Ge Y, Mohamadzadeh M. Roth W, et al. Int J Mol Sci. 2021 Mar 15;22(6):2973. doi: 10.3390/ijms22062973. Int J Mol Sci. 2021. PMID: 33804088 Free PMC article. Review.
Additionally, tryptophan and its metabolites support the development of the central and enteric nervous systems. ...Gut microbes influence tryptophan metabolism directly and indirectly, with corresponding changes in behavior and cognition. ...
Additionally, tryptophan and its metabolites support the development of the central and enteric nervous systems. ...Gut microbes infl …
L-tryptophan and sleep.
Hartmann EL. Hartmann EL. Adv Biosci. 1978 Jul 24-25;21:75-84. Adv Biosci. 1978. PMID: 385395 Review. No abstract available.
Tryptophan Metabolism in Depression: A Narrative Review with a Focus on Serotonin and Kynurenine Pathways.
Correia AS, Vale N. Correia AS, et al. Int J Mol Sci. 2022 Jul 31;23(15):8493. doi: 10.3390/ijms23158493. Int J Mol Sci. 2022. PMID: 35955633 Free PMC article. Review.
These metabolic pathways of tryptophan are crucial in several processes that are linked with depression. ...Taken together, this information aims to clarify the metabolism of tryptophan in depression, particularly the serotonin and kynurenine pathways....
These metabolic pathways of tryptophan are crucial in several processes that are linked with depression. ...Taken together, this info …
Diet promotes sleep duration and quality.
Peuhkuri K, Sihvola N, Korpela R. Peuhkuri K, et al. Nutr Res. 2012 May;32(5):309-19. doi: 10.1016/j.nutres.2012.03.009. Epub 2012 Apr 25. Nutr Res. 2012. PMID: 22652369 Review.
Sleep, much like eating, is an essential part of life. The mechanisms of sleep are only partially clear and are the subject of intense research. ...Lastly, we summarize our findings that emerging evidence confirms a link between diet and sleep. Overall, foods …
Sleep, much like eating, is an essential part of life. The mechanisms of sleep are only partially clear and are the subject of …
How important is tryptophan in human health?
Kałużna-Czaplińska J, Gątarek P, Chirumbolo S, Chartrand MS, Bjørklund G. Kałużna-Czaplińska J, et al. Crit Rev Food Sci Nutr. 2019;59(1):72-88. doi: 10.1080/10408398.2017.1357534. Epub 2017 Sep 1. Crit Rev Food Sci Nutr. 2019. PMID: 28799778 Review.
Tryptophan (Trp) is an amino acid and an essential component of the human diet. ...Furthermore, supplementation with this amino acid is considered in the treatment of depression and sleep disorders, mainly due to the Trp relationship with the synthesis of serotonin …
Tryptophan (Trp) is an amino acid and an essential component of the human diet. ...Furthermore, supplementation with this amino acid …
Effects of L-tryptophan on sleepiness and on sleep.
Hartmann E. Hartmann E. J Psychiatr Res. 1982-1983;17(2):107-13. doi: 10.1016/0022-3956(82)90012-7. J Psychiatr Res. 1982. PMID: 6764927 Review.
Over the past 20 yr, 40 controlled studies have been described concerning the effects of L-tryptophan on human sleepiness and/or sleep. The weight of evidence indicates that L-tryptophan in doses of 1 g or more produces an increase in rated subjective sleepin …
Over the past 20 yr, 40 controlled studies have been described concerning the effects of L-tryptophan on human sleepiness and/or s …
Nutritional Modulation of Sleep Latency, Duration, and Efficiency: A Randomized, Repeated-Measures, Double-Blind Deception Study.
Langan-Evans C, Hearris MA, Gallagher C, Long S, Thomas C, Moss AD, Cheung W, Howatson G, Morton JP. Langan-Evans C, et al. Med Sci Sports Exerc. 2023 Feb 1;55(2):289-300. doi: 10.1249/MSS.0000000000003040. Epub 2022 Sep 9. Med Sci Sports Exerc. 2023. PMID: 36094342 Clinical Trial.
PURPOSE: This study aimed to test the hypothesis that a novel nutritional blend composed of tryptophan, glycine, magnesium, tart cherry powder, and l -theanine enhances subjective and objective measures of sleep during free living conditions. ...CONCLUSIONS: Data de …
PURPOSE: This study aimed to test the hypothesis that a novel nutritional blend composed of tryptophan, glycine, magnesium, tart cher …
1,026 results