트립토판 관련 입면 장애
B 근거 적어도 하나의 무작위 시험이 이를 지지하며, 대체로 일관된 결과를 보입니다.총 96명의 참여자를 대상으로 한 19건의 연구(메타분석 1건, RCT 1건)에 근거합니다. 19건 중 16건의 연구에서 긍정적인 효과가 나타났습니다.
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B
결론
Tryptophan shows promising signs for helping people fall asleep faster, supported by a strong biological rationale, though the studies so far have been quite small.
- 84% of 19 studies show positive effects — a very consistent finding
- Works through conversion to serotonin and then melatonin in the brain
- Total participant count of only 96 limits the strength of conclusions
- Includes 1 meta-analysis and 1 RCT — larger trials are needed
Key Study Findings
Review
Effects of L-tryptophan on sleepiness and on sleep.
Dose: 1 g or more
vs: Placebo
효과: Increase in subjective sleepiness; decrease in sleep latency
review
Unraveling the connection between the Mediterranean diet and sleep health: from biological mechanisms to clinical …
Dose: Mediterranean diet (high adherence vs. low adherence); polyphenols, omega-3, fiber as key components
vs: Placebo
효과: None
None
Animal study
Ginsenoside Rg1 alleviates PCPA-induced insomnia by inhibiting NLRP3 inflammasome activation and pyroptosis through the Nrf2/HO-1 …
Dose: None
vs: Placebo
효과: None
None
Animal Study
Promotion of sleep by cinnamic acid in parachlorophenylalanine-induced insomnia in rats.
Dose: Cinnamic acid (CA) administered to rats (dose not specified)
vs: Placebo
효과: None
None
Animal study
Lactobacillales derived from traditional Xizang dairy products improve insomnia and restore neurotransmitter-metabolic profiles via gut …
Dose: Mixed probiotics (Lactobacillus helveticus L551, Lacticaseibacillus paracasei L578, Streptococcus th
vs: Placebo
효과: None
None
Animal study
Wendan Decoction exerts therapeutic effects on insomnia by regulating gut microbiota and tryptophan metabolism.
Dose: None
vs: Placebo
효과: None
None
Key Statistics
19
연구
96
참여자
↑
Positive
B
등급
Referenced Papers
Journal of psychiatric …
None
102 인용
Psychopharmacology
2025
5 인용
Phytomedicine : international …
2025
5 인용
Microbiological research
2025
3 인용
International immunopharmacology
2025
1 인용
Sleep & breathing …
2025
Neurochemical research
2024
14 인용
Journal of ethnopharmacology
2024
13 인용
Journal of ethnopharmacology
2024
13 인용
Phytomedicine : international …
2023
33 인용
The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression.
Meta-Analysis
Nutrition reviews
2022
68 인용
Study on the hypnotic effect of rare protopanaxadiol-type and protopanaxatriol-type ginsenosides.
Other
RSC advances
2019
13 인용
Drugs & aging
2018
131 인용
Nutrition research and …
2018
12 인용
Journal of clinical …
2017
1097 인용
Biomedical reports
2015
12 인용
European journal of …
2014
43 인용
Pharmacology, biochemistry, and …
2008
76 인용
Psychopharmacology
1983
25 인용
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
일반적으로 사용되는 용량
- sleep:
- 250-1,000 mg, before bed
상한량: Not established; previously recalled (1989) due to contamination
연구에서 사용된 용량
| 용량 | 기간 | 효과 | N |
|---|---|---|---|
| 1 g or more | -- | Positive | -- |
| Mediterranean diet (high adherence vs. low adherence); polyphenols, omega-3, fiber as key components | -- | Positive | -- |
| None | -- | Positive | -- |
| Cinnamic acid (CA) administered to rats (dose not specified) | -- | Positive | -- |
| Mixed probiotics (Lactobacillus helveticus L551, Lacticaseibacillus paracasei L578, Streptococcus th | -- | Positive | -- |
| None | -- | Positive | -- |
| cannabidiol (CBD) at various doses administered to mice | -- | Positive | -- |
| not specified (intragastric administration) | -- | Positive | -- |
권장 복용 시간: 30-60 minutes before bed, ideally on a light stomach
Safety & Side Effects
보고된 부작용
- ⚠ Nausea
- ⚠ Diarrhea
- ⚠ Drowsiness
- ⚠ Dry mouth
- ⚠ Blurred vision
알려진 상호작용
- ● SSRIs/SNRIs — risk of serotonin syndrome
- ● MAOIs — dangerous serotonin accumulation
- ● Sedatives — additive drowsiness
일일 최대 섭취 허용량: Not established; previously recalled (1989) due to contamination
건강기능식품을 복용하기 전에 반드시 의료 전문가와 상담하십시오.
Frequently Asked Questions
Does 트립토판 help with 입면 장애?
Based on 19 studies with 96 participants, there is moderate evidence from clinical studies that 트립토판 may support 입면 장애 management. Our evidence grade is B (Good Evidence).
How much 트립토판 should I take for 입면 장애?
Studies have used various dosages. A commonly studied range is 250-1,000 mg, before bed. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of 트립토판?
Reported side effects may include Nausea, Diarrhea, Drowsiness, Dry mouth. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for 트립토판 and 입면 장애?
We rate the evidence as Grade B (Good Evidence). This rating is based on 19 peer-reviewed studies with 96 total participants. The overall direction of effect is positive.
Related Evidence
References
- [1] E Hartmann. J Psychiatr Res. Effects of L-tryptophan on sleepiness and on sleep. doi:10.1016/0022-3956(82)90012-7 PubMed
- [2] Jingyi Li et al.. Psychopharmacology (Berl). 2025. Ginsenoside Rg1 alleviates PCPA-induced insomnia by inhibiting NLRP3 inflammasome activation and pyroptosis through the Nrf2/HO-1 pathway in mice. doi:10.1007/s00213-025-06828-5 PubMed
- [3] Yuan Tian et al.. Phytomedicine. 2025. Wendan Decoction exerts therapeutic effects on insomnia by regulating gut microbiota and tryptophan metabolism. doi:10.1016/j.phymed.2025.157028 PubMed
- [4] Peifan Li et al.. Microbiol Res. 2025. Lactobacillales derived from traditional Xizang dairy products improve insomnia and restore neurotransmitter-metabolic profiles via gut microbiota in PCPA-induced mice. doi:10.1016/j.micres.2025.128276 PubMed
- [5] Xiaona Ye et al.. Int Immunopharmacol. 2025. Promotion of sleep by cinnamic acid in parachlorophenylalanine-induced insomnia in rats. doi:10.1016/j.intimp.2025.114852 PubMed
- [6] Tatiana Palotta Minari et al.. Sleep Breath. 2025. Unraveling the connection between the Mediterranean diet and sleep health: from biological mechanisms to clinical implications. doi:10.1007/s11325-025-03546-2 PubMed
- [7] Yu-Meng Liu et al.. Neurochem Res. 2024. Cannabidiol Exerts Sedative and Hypnotic Effects in Normal and Insomnia Model Mice Through Activation of 5-HT1A Receptor. doi:10.1007/s11064-024-04102-2 PubMed
- [8] Haiqin Ren et al.. J Ethnopharmacol. 2024. The therapeutic potential of Ziziphi Spinosae Semen and Polygalae Radix in insomnia management: Insights from gut microbiota and serum metabolomics … doi:10.1016/j.jep.2024.118255 PubMed
- [9] Tian-Ji Xia et al.. J Ethnopharmacol. 2024. Shen Yuan extract exerts a hypnotic effect via the tryptophan/5-hydroxytryptamine/melatonin pathway in mice. doi:10.1016/j.jep.2024.117992 PubMed
- [10] Yan Yan et al.. Phytomedicine. 2023. Screening the effective components of Suanzaoren decoction on the treatment of chronic restraint stress induced anxiety-like mice by integrated chinmedomics … doi:10.1016/j.phymed.2023.154853 PubMed
- [11] Clarinda N Sutanto et al.. Nutr Rev. 2022. The impact of tryptophan supplementation on sleep quality: a systematic review, meta-analysis, and meta-regression. doi:10.1093/nutrit/nuab027 PubMed
- [12] Ning Mou et al.. RSC Adv. 2019. Study on the hypnotic effect of rare protopanaxadiol-type and protopanaxatriol-type ginsenosides. doi:10.1039/c9ra01549c PubMed
- [13] Vivien C Abad et al.. Drugs Aging. 2018. Insomnia in Elderly Patients: Recommendations for Pharmacological Management. doi:10.1007/s40266-018-0569-8 PubMed
- [14] Ki-Bae Hong et al.. Nutr Res Pract. 2018. Two combined amino acids promote sleep activity in caffeine-induced sleepless model systems. doi:10.4162/nrp.2018.12.3.208 PubMed
- [15] Michael J Sateia et al.. J Clin Sleep Med. 2017. Clinical Practice Guideline for the Pharmacologic Treatment of Chronic Insomnia in Adults: An American Academy of Sleep Medicine Clinical Practice … doi:10.5664/jcsm.6470 PubMed
- [16] Meng-Fei Ye et al.. Biomed Rep. 2015. Flos Albiziae aqueous extract and its active constituent quercetin potentiate the hypnotic effect of pentobarbital via the serotonergic system. doi:10.3892/br.2015.518 PubMed
- [17] Chenning Zhang et al.. Eur J Pharmacol. 2014. Pharmacological evaluation of sedative and hypnotic effects of schizandrin through the modification of pentobarbital-induced sleep behaviors in mice. doi:10.1016/j.ejphar.2014.09.012 PubMed
- [18] Li-En Wang et al.. Pharmacol Biochem Behav. 2008. Spinosin, a C-glycoside flavonoid from semen Zizhiphi Spinozae, potentiated pentobarbital-induced sleep via the serotonergic system. doi:10.1016/j.pbb.2008.03.022 PubMed
- [19] E Hartmann et al.. Psychopharmacology (Berl). 1983. Chronic insomnia: effects of tryptophan, flurazepam, secobarbital, and placebo. doi:10.1007/BF00427957 PubMed
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