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Ácidos graxos ômega-3 para Insônia

A

Baseado em 93 estudos (9 meta-analyses, 18 RCTs) com 37,338 participantes no total. 67/93 estudos mostram efeitos positivos.

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A

Conclusão

Omega-3 fatty acids are supported by a large body of research suggesting they may help improve sleep quality, particularly for people whose sleep issues are connected to inflammation or mood.

  • 93 studies with 37,338 participants — a very large evidence base
  • 9 meta-analyses and 18 RCTs provide strong, high-quality evidence
  • About 72% of studies show positive effects on sleep
  • May work through anti-inflammatory pathways and support of serotonin/melatonin production

Key Study Findings

animal experimental study
Lavender improves sleep through olfactory perception and GABAergic neurons of the central amygdala.
Dose: LEO 25.0% concentration via inhalation during light phase vs: Placebo Efeito: LEO 25% significantly shortened NREM sleep latency, increased NREM sleep, decreased wakefulness; com None
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 Efeito: None None
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 Efeito: None None
review
[Nutrition in improving sleep quality and fighting insomnia].
Dose: tryptophan, carbohydrates, omega-3, vitamins (B6, B12, folate, niacin, D, C, beta-carotene), mineral vs: Placebo Efeito: None None
RCT n=90 12 weeks Double-blind
A New Ashwagandha Formulation (Zenroot™) Alleviates Stress and Anxiety Symptoms While Improving Mood and Sleep …
Dose: 125 mg Zenroot (Ashwagandha with 1.5% total withanolides) daily vs: Placebo Efeito: None < 0.05
Case Report n=1
Unmasking Potential Withdrawal Effects of Ashwagandha: A Case Report and Review.
Dose: Ashwagandha extract 600 mg/day (prior to discontinuation) vs: Placebo Efeito: None None

Key Statistics

93

Estudos

37338

Participantes

Positive

A

Nota

Referenced Papers

Naunyn-Schmiedeberg's archives of … 2025 4 citações
Journal of ethnopharmacology 2024 6 citações
International journal of … 2023 43 citações
Child and adolescent … 2023 5 citações
Neurologia 2022 78 citações
Neurologia 2022 47 citações
Journal of ethnopharmacology 2020 85 citações
The Cochrane database … 2019 24 citações
Annual review of … 2016 557 citações
Sleep medicine reviews 2015 152 citações
Biological & pharmaceutical … 2014 110 citações
The Cochrane database … 2014 56 citações
Child and adolescent … 2014 42 citações
Profiles of drug … 2013 26 citações
Journal of pineal … 2012 322 citações
Anaesthesia and intensive … 2011 18 citações
Molecular medicine reports 2010 398 citações
Phytomedicine : international … 2010 148 citações
Journal of psychopharmacology … 2005 176 citações
Prescrire international 2005 2 citações
Nutrition journal 2004 72 citações
Revista de neurologia 2002 35 citações
Psychosomatic medicine 1999 136 citações
Postgraduate medical journal 1998 17 citações
American family physician 1997
Electroencephalography and clinical … 1984 2 citações

Dosage & Usage

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

Dosagens Comumente Utilizadas

sleep:
600-1,000 mg DHA/day
general:
250-500 mg EPA+DHA/day

Limite superior: 3,000 mg/day EPA+DHA

Dosagens Estudadas em Pesquisas

Dosagem Duração Efeito N
LEO 25.0% concentration via inhalation during light phase -- 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 --
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 --
125 mg Zenroot (Ashwagandha with 1.5% total withanolides) daily 12 weeks Positive 90
Ashwagandha extract 600 mg/day (prior to discontinuation) -- Negative 1
Not applicable (Mendelian randomization using genetic instruments/SNPs) -- Positive --
600 mg/day (median) 8 weeks Positive 713

Melhor horário: With a meal; morning or evening

Safety & Side Effects

Efeitos Colaterais Relatados

  • Fishy aftertaste or burps
  • GI upset
  • Diarrhea
  • Easy bruising at high doses

Interações Conhecidas

  • Blood thinners (warfarin) — omega-3 may enhance anticoagulant effects
  • Blood pressure medications — additive hypotensive effects
  • Orlistat — may reduce omega-3 absorption

Ingestão máxima tolerável: 3,000 mg/day EPA+DHA

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 Ácidos graxos ômega-3 help with Insônia?
Based on 93 studies with 37,338 participants, there is strong evidence from multiple clinical trials that Ácidos graxos ômega-3 may support Insônia management. Our evidence grade is A (Strong Evidence).
How much Ácidos graxos ômega-3 should I take for Insônia?
Studies have used various dosages. A commonly studied range is 600-1,000 mg DHA/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Ácidos graxos ômega-3?
Reported side effects may include Fishy aftertaste or burps, GI upset, Diarrhea, Easy bruising at high doses. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Ácidos graxos ômega-3 and Insônia?
We rate the evidence as Grade A (Strong Evidence). This rating is based on 93 peer-reviewed studies with 37,338 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.