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Triptófano para Insônia

A

Baseado em 79 estudos (3 meta-analyses, 4 RCTs) com 32,701 participantes no total. 54/79 estudos mostram efeitos positivos.

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A

Conclusão

Tryptophan is supported by extensive research as a supplement that may help with insomnia, working through its natural role as a building block for sleep-regulating brain chemicals.

  • 79 studies with 32,701 participants provide a large evidence base
  • About 68% of studies show positive effects on insomnia
  • Tryptophan is the natural precursor to both serotonin and melatonin
  • Both supplementation and dietary approaches to increasing tryptophan have been studied

Key Study Findings

Review
Effects of L-tryptophan on sleepiness and on sleep.
Dose: 1 g or more vs: Placebo Efeito: Increase in subjective sleepiness; decrease in sleep latency
animal study
Compound Chaijin Jieyu Fang alleviates insomnia complicated with depression by reshaping actinobacteria to inhibit neuronal …
Dose: Compound Chaijin Jieyu Fang (CCJF) traditional Chinese medicine formula; dose not specified vs: Placebo Efeito: None None
Controlled Clinical Trial n=32 12 weeks Open-label
Efficacy and associated neurotransmitters of digital cognitive behavior therapy for atopic dermatitis: A comparative effectiveness …
Dose: None vs: Standard care alone Outcome: Itch and insomnia improvement in atopic dermatitis Efeito: None 0.0449 (itch), 0.0089 (insomni

População: Patients with atopic dermatitis and mild-moderate negative emotions

bioinformatics/animal study
Tryptophan metabolism-related gene CYP1B1 serves as a shared biomarker for both Parkinson's disease and insomnia.
Dose: Not applicable (bioinformatics analysis + animal experiment validation; no human intervention) vs: Placebo Efeito: None None
cross-sectional study n=165
Characteristics and influencing factors of gut microbiota in population with sleep disorders.
Dose: not applicable (observational study) vs: Placebo Efeito: None None
animal study 2 weeks
A non-pharmacological intervention for insomnia: tryptophan-fructooligosaccharides combination improves sleep in mice via anti-inflammation and gut …
Dose: tryptophan+FOS (TF) low dose: 10 mg/kg tryptophan + 500 mg/kg FOS; high dose: 20 mg/kg + 1000 mg/kg vs: Placebo Efeito: sleep duration improved by 81.0% (caffeine model, HD, p<0.001); 50.8% (PCPA model, HD, p<0.01); TNFα <0.001 (caffeine model); <0.01

Key Statistics

84

Estudos

32969

Participantes

Positive

A

Nota

Referenced Papers

Journal of psychiatric … None 102 citações
Psychiatry investigation 2024 24 citações
Asia Pacific journal … 2024 1 citações
Child and adolescent … 2023 5 citações
Journal of personalized … 2023 4 citações
Annual review of … 2021 149 citações
Frontiers in bioengineering … 2021 18 citações
Combinatorial chemistry & … 2021 16 citações
Nutricion hospitalaria 2021 3 citações
Journal of exercise … 2019 26 citações
The Cochrane database … 2019 24 citações
Pathologie-biologie 2014 74 citações
The Cochrane database … 2014 56 citações
Current signal transduction … 2014 41 citações
Profiles of drug … 2013 26 citações
Sleep medicine reviews 2011 317 citações
Journal of ethnopharmacology 2008 55 citações
Primary care 2002 43 citações
Zeitschrift fur arztliche … 2001 3 citações
Medical science monitor … 2000 11 citações
Bangladesh Medical Research … 2000
Psychosomatic medicine 1999 136 citações
Alternative medicine review … 1998 216 citações
Alternative medicine review … 1998
Wisconsin medical journal 1990
American family physician 1987
Annual review of … 1975 27 citações

Dosage & Usage

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

Dosagens Comumente Utilizadas

sleep:
250-1,000 mg, before bed

Limite superior: Not established; previously recalled (1989) due to contamination

Dosagens Estudadas em Pesquisas

Dosagem Duração Efeito N
1 g or more -- Positive --
Compound Chaijin Jieyu Fang (CCJF) traditional Chinese medicine formula; dose not specified -- Positive --
None 12 weeks Positive 32
Not applicable (bioinformatics analysis + animal experiment validation; no human intervention) -- Neutral --
not applicable (observational study) -- Neutral 165
tryptophan+FOS (TF) low dose: 10 mg/kg tryptophan + 500 mg/kg FOS; high dose: 20 mg/kg + 1000 mg/kg 2 weeks Positive --
Mediterranean diet (high adherence vs. low adherence); polyphenols, omega-3, fiber as key components -- Positive --
tryptophan, carbohydrates, omega-3, vitamins (B6, B12, folate, niacin, D, C, beta-carotene), mineral -- Positive --

Melhor horário: 30-60 minutes before bed, ideally on a light stomach

Safety & Side Effects

Efeitos Colaterais Relatados

  • Nausea
  • Diarrhea
  • Drowsiness
  • Dry mouth
  • Blurred vision

Interações Conhecidas

  • SSRIs/SNRIs — risk of serotonin syndrome
  • MAOIs — dangerous serotonin accumulation
  • Sedatives — additive drowsiness

Ingestão máxima tolerável: Not established; previously recalled (1989) due to contamination

Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.

Frequently Asked Questions

Does Triptófano help with Insônia?
Based on 84 studies with 32,969 participants, there is strong evidence from multiple clinical trials that Triptófano may support Insônia management. Our evidence grade is A (Strong Evidence).
How much Triptófano should I take for Insônia?
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 Triptófano?
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 Triptófano and Insônia?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 84 peer-reviewed studies with 32,969 total participants. The overall direction of effect is positive.

Related Evidence

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.