5-HTP 用于失眠

基于42项研究（1项RCT），共84名参与者。35/42项研究显示积极效果。

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结论

5-HTP may support better sleep through its role in serotonin and melatonin production, but human evidence remains limited despite strong preclinical results.

35 out of 42 studies show positive effects on sleep, but most are animal or lab studies
5-HTP is a natural precursor to serotonin and melatonin, key neurotransmitters for sleep regulation
Only 1 randomized controlled trial (RCT) in humans has been conducted
A GABA/5-HTP combination has shown sleep-promoting effects in preclinical models

Key Study Findings

animal study / preclinical

Guhan Yangsheng Jing alleviates sleep deprivation-induced neuronal injury via neurotransmitter rebalancing, mitochondrial protection, and inhibition …

Dose: Guhan Yangsheng Jing (GHYSJ) multi-herbal decoction (dose not specified in abstract) vs: Placebo 效果: None None

Other

Sleep deprivation activated AMPK/FOXO3a signaling mediates pineal autophagy impairment to reduce melatonin secretion in CUMS …

Dose: None vs: CUMS+SD model without intervention Outcome: Depression/insomnia behaviors and melatonin secretion 效果: None None

研究人群: CUMS + sleep deprivation rat model

preclinical animal/in vitro study

Ashwagandha (Withania somnifera (L.) dunal) root extract containing withanolide a alleviates depression-like behavior in mice …

Dose: 60 and 100 mg/kg (mice); 100 and 200 µg/mL (HT-22 cells); withanolide A 1.56 and 3.12 µg/mL vs: Placebo 效果: 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 效果: 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 效果: None None

animal study / preclinical

[Effect of Fushen Decoction on 5-HT system and GABA expression in mouse model of PCPA-induced …

Dose: Fushen Decoction 10, 20, and 40 g/kg; coffee 1 g/kg (PCPA-induced insomnia model) vs: Placebo 效果: None None

Key Statistics

研究数量

受试者

↑

Positive

等级

Referenced Papers

Guhan Yangsheng Jing alleviates sleep deprivation-induced neuronal injury via neurotransmitter rebalancing, mitochondrial protection, and inhibition of pyroptosis. Other

Journal of ethnopharmacology 2026

Ashwagandha (Withania somnifera (L.) dunal) root extract containing withanolide a alleviates depression-like behavior in mice by enhancing the brain-derived neurotrophic … Other

Journal of ethnopharmacology 2025 9 次引用

Ginsenoside Rg1 alleviates PCPA-induced insomnia by inhibiting NLRP3 inflammasome activation and pyroptosis through the Nrf2/HO-1 pathway in mice. Other

Psychopharmacology 2025 5 次引用

Sleep deprivation activated AMPK/FOXO3a signaling mediates pineal autophagy impairment to reduce melatonin secretion in CUMS + SD rats leading to … Other

Neuroscience letters 2025 3 次引用

Construction of composite nanoparticles of β-cyclodextrin and corn starch encapsulating 5-hydroxytryptophan for sustained release and sleep improvement in vivo. Other

International journal of … 2025 1 次引用

Promotion of sleep by cinnamic acid in parachlorophenylalanine-induced insomnia in rats. Other

International immunopharmacology 2025 1 次引用

[Effect of Fushen Decoction on 5-HT system and GABA expression in mouse model of PCPA-induced insomnia]. Other

Zhongguo Zhong yao … 2025

Guhan Yangsheng Jing mitigates hippocampal neuronal pyroptotic injury and manifies learning and memory capabilities in sleep deprived mice via the … Other

Journal of ethnopharmacology 2024 26 次引用

Biosynthetic Pathways of Tryptophan Metabolites in Saccharomyces cerevisiae Strain: Insights and Implications. Other

International journal of … 2024 5 次引用

Development and challenges in the discovery of 5-HT1A and 5-HT7 receptor ligands. Review

Bioorganic chemistry 2023 14 次引用

Complementary and Integrative Approaches to Sleep Disorders in Children. Review

Child and adolescent … 2023 5 次引用

Metabolic engineering of Escherichia coli for efficient production of L-5-hydroxytryptophan from glucose. Other

Microbial cell factories 2022 20 次引用

Advances in the Microbial Synthesis of 5-Hydroxytryptophan. Review

Frontiers in bioengineering … 2021 18 次引用

Ginsenoside Rg5/Rk1 ameliorated sleep via regulating the GABAergic/serotoninergic signaling pathway in a rodent model. Other

Food & function 2020 42 次引用

Enhanced production of 5-hydroxytryptophan through the regulation of L-tryptophan biosynthetic pathway. Other

Applied microbiology and … 2020 30 次引用

Loganin Exerts Sedative and Hypnotic Effects via Modulation of the Serotonergic System and GABAergic Neurons. Other

Frontiers in pharmacology 2019 52 次引用

Pharmacotherapeutic management of sleep disorders in children with neurodevelopmental disorders. Review

Expert opinion on … 2019 49 次引用

Study on the hypnotic effect of rare protopanaxadiol-type and protopanaxatriol-type ginsenosides. Other

RSC advances 2019 13 次引用

4-Hydroxybenzyl alcohol derivatives and their sedative-hypnotic activities. Other

RSC advances 2018 23 次引用

Two combined amino acids promote sleep activity in caffeine-induced sleepless model systems. Other

Nutrition research and … 2018 12 次引用

Sleep-promoting effects of a GABA/5-HTP mixture: Behavioral changes and neuromodulation in an invertebrate model. Other

Life sciences 2016 19 次引用

Flos Albiziae aqueous extract and its active constituent quercetin potentiate the hypnotic effect of pentobarbital via the serotonergic system. Other

Biomedical reports 2015 12 次引用

Engineering bacterial phenylalanine 4-hydroxylase for microbial synthesis of human neurotransmitter precursor 5-hydroxytryptophan. Other

ACS synthetic biology 2014 71 次引用

Complementary and alternative medicine (CAM) use in an Italian cohort of pediatric headache patients: the tip of the iceberg. Other

Neurological sciences : … 2014 58 次引用

Pharmacological evaluation of sedative and hypnotic effects of schizandrin through the modification of pentobarbital-induced sleep behaviors in mice. Other

European journal of … 2014 43 次引用

Gomisin N isolated from Schisandra chinensis augments pentobarbital-induced sleep behaviors through the modification of the serotonergic and GABAergic system. Other

Fitoterapia 2014 30 次引用

Neurotransmitter-precursor-supplement intervention for detoxified heroin addicts. RCT

Journal of Huazhong … 2012 15 次引用

Symptomatic treatment of interferon-α-induced depression in hepatitis C: a systematic review. Systematic Review

Journal of clinical … 2012

Formulations of dietary supplements and herbal extracts for relaxation and anxiolytic action: Relarian. Review

Medical science monitor … 2009 85 次引用

Both stimulatory and inhibitory effects of dietary 5-hydroxytryptophan and tyrosine are found on urinary excretion of serotonin and dopamine in … Other

Neuropsychiatric disease and … 2009 31 次引用

Spinosin, a C-glycoside flavonoid from semen Zizhiphi Spinozae, potentiated pentobarbital-induced sleep via the serotonergic system. Other

Pharmacology, biochemistry, and … 2008 76 次引用

Antidepressant activity of standardised extract of Marsilea minuta Linn. Other

Journal of ethnopharmacology 2008 55 次引用

Oral nonprescription treatment for insomnia: an evaluation of products with limited evidence. Review

Journal of clinical … 2005

Anxiety, depression, and insomnia. Review

Primary care 2002 43 次引用

Modulation of serotonergic projection from dorsal raphe nucleus to basolateral amygdala on sleep-waking cycle of rats. Other

Brain research 2002 33 次引用

5-Hydroxytryptophan: a clinically-effective serotonin precursor. Review

Alternative medicine review … 1998 216 次引用

Fibromyalgia and the serotonin pathway. Review

Alternative medicine review … 1998

The role of 5-hydroxytryptophan (5-HTP) in the regulation of the sleep/wake cycle in parachlorophenylalanine (p-CPA) pretreated rat: a multiple approach … Other

Experimental brain research 1991 20 次引用

Sleep disturbances in a case of brain-stem lesions; pharmacological study. Case Report

Electroencephalography and clinical … 1984 2 次引用

[Implication of hypothalamic structures in indolaminergic mechanisms of paradoxical sleep]. Other

Comptes rendus des … 1983 2 次引用

Restoration of paradoxical sleep by cerebrospinal fluid transfer to PCPA pretreated insomniac cats. Other

Brain research 1982 38 次引用

5-HT antagonists suppress sleep and delay its restoration after 5-HTP in p-chlorophenylalanine-pretreated cats. Other

European journal of … 1982 21 次引用

Effects of serotonin synthesis inhibition on sleep in hippocampectomized rats. Other

Brain research 1982 2 次引用

[Insomnia induced by P-chlorophenylalanine in cats. Its reversibility by intraventricular injections of indolamines]. Other

Comptes rendus des … 1980 1 次引用

Effects of p-chlorophenylalanine (p-CPA) on sleep in olfactory bulb lesioned rats. Other

Japanese journal of … 1977 17 次引用

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

常用剂量

sleep:: 100-300 mg, 30-45 min before bed

上限： Not established; serotonin syndrome risk with SSRIs

研究中使用的剂量

剂量	持续时间	效果	N
Guhan Yangsheng Jing (GHYSJ) multi-herbal decoction (dose not specified in abstract)	--	Positive	--
None	--	Positive	--
60 and 100 mg/kg (mice); 100 and 200 µg/mL (HT-22 cells); withanolide A 1.56 and 3.12 µg/mL	--	Positive	--
Cinnamic acid (CA) administered to rats (dose not specified)	--	Positive	--
None	--	Positive	--
Fushen Decoction 10, 20, and 40 g/kg; coffee 1 g/kg (PCPA-induced insomnia model)	--	Positive	--
5-HTP encapsulated in β-cyclodextrin/corn starch composite nanoparticles (dose not specified)	--	Positive	--
None	--	Positive	--

最佳服用时间： 30-45 minutes before bed

Safety & Side Effects

已报告的副作用

⚠ Nausea
⚠ Diarrhea
⚠ Heartburn
⚠ Stomach pain
⚠ Drowsiness

已知相互作用

● SSRIs/SNRIs — serious risk of serotonin syndrome
● MAOIs — dangerous serotonin accumulation
● Tramadol — increased serotonin syndrome risk
● Carbidopa — may cause scleroderma-like skin changes

可耐受最高摄入量： Not established; serotonin syndrome risk with SSRIs

在开始服用任何补充剂之前，请务必咨询您的医疗保健提供者。

Frequently Asked Questions

Does 5-HTP help with 失眠?

Based on 43 studies with 84 participants, there is moderate evidence from clinical studies that 5-HTP may support 失眠 management. Our evidence grade is B (Good Evidence).

How much 5-HTP should I take for 失眠?

Studies have used various dosages. A commonly studied range is 100-300 mg, 30-45 min before bed. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of 5-HTP?

Reported side effects may include Nausea, Diarrhea, Heartburn, Stomach pain. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for 5-HTP and 失眠?

We rate the evidence as Grade B (Good Evidence). This rating is based on 43 peer-reviewed studies with 84 total participants. The overall direction of effect is positive.

Related Evidence

其他成分用于失眠

褪黑素（Melatonin） A 缬草根 A CBD（大麻二酚） A Omega-3 脂肪酸 A 色氨酸（Tryptophan） A 维生素 D A

5-HTP 用于其他健康状况

入睡困难 D

快速结论

基于42项研究（1项RCT），共84名参与者。35/42项研究显示积极效果。

Evidence Strength72%

High confidence

研究分析

RCT (1)Meta (0)Other (42)

对比替代方案

查看其他成分针对该健康状况的对比结果。

查看所有成分用于失眠

了解更多

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