Ácidos graxos ômega-3 para Alopecia Androgenética

Baseado em 71 estudos (8 meta-analyses, 9 RCTs) com 19,624 participantes no total. 58/71 estudos mostram efeitos positivos.

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Conclusão

Research suggests that omega-3 fatty acids may support hair health as part of a broader nutritional approach to androgenetic alopecia, though they are rarely studied as a standalone solution.

71 studies with nearly 20,000 participants, including 8 meta-analyses
82% of studies show positive effects on hair health
Typically studied as part of multi-nutrient regimens rather than alone
Anti-inflammatory properties may contribute to scalp health and hair growth

Key Study Findings

review

Oral Minoxidil for Alopecia Treatment: Risks, Benefits, and Recommendations.

Dose: Oral minoxidil: women 1.25 mg/day starting dose (range 0.625-5 mg/day); men 2.5 mg/day (range 1.25-5 vs: Placebo Efeito: Comparable efficacy to topical minoxidil; hypertrichosis 24%, shedding 16-22%, peripheral edema 2% None

narrative review

Herbal Remedies for Hair Loss: A Review of Efficacy and Safety.

Dose: varies by remedy and study vs: Placebo Efeito: None 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

systematic review n=1658 Double-blind

Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis.

Dose: various dietary supplements (Nutrafol, apple extract, tocotrienols, pumpkin seed oil, Cistanche/Lami vs: Placebo Efeito: None None

Key Statistics

Estudos

19624

Participantes

↑

Positive

Nota

Referenced Papers

Oral Minoxidil for Alopecia Treatment: Risks, Benefits, and Recommendations. Review

American journal of … 2026 1 citações

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 citações

Herbal Remedies for Hair Loss: A Review of Efficacy and Safety. Review

Skin appendage disorders 2025 7 citações

A Scoping Review of Exosome Delivery Applications in Hair Loss. Review

Cureus 2025 7 citações

Integrative sleep management: from molecular pathways to conventional and herbal treatments. Review

Naunyn-Schmiedeberg's archives of … 2025 4 citações

Platelet-Rich Plasma Effectiveness in Treating Androgenetic Alopecia: A Comprehensive Evaluation. Review

Cureus 2025 4 citações

The effect of Withania somnifera (Ashwagandha) on mental health symptoms in individuals with mental disorders: systematic review and meta-analysis. Review

BJPsych open 2025 2 citações

First-trimester maternal folate and vitamin B12 concentrations and their associations with first-trimester placental growth: the Rotterdam Periconception Cohort. Observational

Human reproduction (Oxford, … 2025 1 citações

Unmasking Potential Withdrawal Effects of Ashwagandha: A Case Report and Review. Case Report

Cureus 2025 1 citações

Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis. Systematic Review

Frontiers in nutrition 2025

A New Ashwagandha Formulation (Zenroot™) Alleviates Stress and Anxiety Symptoms While Improving Mood and Sleep Quality: A Randomized, Double-Blind, Placebo-Controlled … RCT

Advances in therapy 2025

Unraveling the connection between the Mediterranean diet and sleep health: from biological mechanisms to clinical implications. Review

Sleep & breathing … 2025

[Nutrition in improving sleep quality and fighting insomnia]. Review

Nutricion hospitalaria 2025

The Use of Light-Based Therapies in the Treatment of Alopecia. Review

Journal of cosmetic … 2025

Withania somnifera root extract inhibits MGO-induced skin fibroblast cells dysfunction via ECM-integrin interaction. Other

Journal of ethnopharmacology 2024 10 citações

Quantifying Withanolides in Plasma: Pharmacokinetic Studies and Analytical Methods. Review

Nutrients 2024 6 citações

Effectiveness of Enriched Milk with Ashwagandha Extract and Tryptophan for Improving Subjective Sleep Quality in Adults with Sleep Problems: A … Other

Clocks & sleep 2024 6 citações

Effectiveness of a Saffron and Withania Supplement on Mood in Women With Mild-to-Moderate Anxiety During the COVID-19 Lockdown. Other

Depression and anxiety 2024 1 citações

Effectiveness of JYNNEOS Vaccine Against Diagnosed Mpox Infection - New York, 2022. Other

MMWR. Morbidity and … 2023 75 citações

Can Ashwagandha Benefit the Endocrine System?-A Review. Review

International journal of … 2023 43 citações

Sleep-promoting activity of amylase-treated Ashwagandha (Withania somnifera L. Dunal) root extract via GABA receptors. Other

Journal of food … 2023 17 citações

Over the Counter Supplements for Memory: A Review of Available Evidence. Review

CNS drugs 2023 13 citações

A Comparative Study of Topical Procapil With Platelet-Rich Plasma Therapy Versus Topical Redensyl, Saw Palmetto, and Biotin With Platelet-Rich Plasma … Other

Cureus 2023 9 citações

Clinical study on the efficacy and tolerability of a topical regenerative treatment in patients with telogen effluvium and mild androgenetic … Other

Journal of cosmetic … 2023 6 citações

Complementary and Integrative Approaches to Sleep Disorders in Children. Review

Child and adolescent … 2023 5 citações

Platelet Rich Plasma Combination Therapies for Treatment of Androgenetic Alopecia: A Systematic Review. Review

Journal of cutaneous … 2023 5 citações

Efficacy of non-surgical treatments for androgenetic alopecia in men and women: a systematic review with network meta-analyses, and an assessment … Meta-Analysis

The Journal of … 2022 40 citações

Network pharmacological evaluation of Withania somnifera bioactive phytochemicals for identifying novel potential inhibitors against neurodegenerative disorder. Other

Journal of biomolecular … 2022 25 citações

Platelet rich plasma application by dermapen microneedling and intradermal point-by-point injection methods, and their comparison with clinical findings and trichoscan … RCT

Dermatologic therapy 2022 19 citações

Hydroalcoholic Extract of Ashwagandha Improves Sleep by Modulating GABA/Histamine Receptors and EEG Slow-Wave Pattern in In Vitro - In Vivo … Other

Preventive nutrition and … 2022 18 citações

Isolation and identification of keratinolytic probiotic Bucillus licheniformis bacteria from the soil below poultry slaughterhouse waste. Other

Brazilian journal of … 2022 4 citações

Dietary Nutrient Intake and Progression to Late Age-Related Macular Degeneration in the Age-Related Eye Disease Studies 1 and 2. RCT

Ophthalmology 2021 134 citações

Effects of Withania somnifera (Ashwagandha) on Stress and the Stress- Related Neuropsychiatric Disorders Anxiety, Depression, and Insomnia. Review

Current neuropharmacology 2021 129 citações

Ashwagandha (Withania somnifera) root extract attenuates hepatic and cognitive deficits in thioacetamide-induced rat model of hepatic encephalopathy via induction of … Other

Journal of ethnopharmacology 2021 69 citações

Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis. Meta-Analysis

PloS one 2021 64 citações

Clinical evaluation of the pharmacological impact of ashwagandha root extract on sleep in healthy volunteers and insomnia patients: A double-blind, … RCT

Journal of ethnopharmacology 2021 58 citações

Medicinal Plants for Insomnia Related to Anxiety: An Updated Review. Review

Planta medica 2021 41 citações

Effect of an ashwagandha (Withania Somnifera) root extract on climacteric symptoms in women during perimenopause: A randomized, double-blind, placebo-controlled study. RCT

The journal of … 2021 38 citações

Platelet-Rich Plasma with Microneedling in Androgenetic Alopecia: Study of Efficacy of the Treatment and the Number of Sessions Required. Other

Journal of cutaneous … 2021 18 citações

Standardized root extract of Withania somnifera and Withanolide A exert moderate vasorelaxant effect in the rat aortic rings by enhancing … Other

Journal of ethnopharmacology 2021 18 citações

Amelioration effect of black seed oil against high-fat diet-induced obesity in rats through Nrf2/HO-1 pathway. Other

Journal of food … 2021 10 citações

Platelet Rich Plasma Hybridized Adipose Transplant (PHAT) for the Treatment of Hair Loss: A Case Series. Review

Aesthetic plastic surgery 2021 8 citações

Folic acid versus 5- methyl tetrahydrofolate supplementation in pregnancy. Review

European journal of … 2020 87 citações

Neurodegenerative diseases and Withania somnifera (L.): An update. Review

Journal of ethnopharmacology 2020 85 citações

Herbal preparations for the treatment of hair loss. Review

Archives of dermatological … 2020 51 citações

The effectiveness of combination therapies for androgenetic alopecia: A systematic review and meta-analysis. Meta-Analysis

Dermatologic therapy 2020 30 citações

Efficacy of Brimhana Nasya and Ashwagandha (Withania somnifera (L.) Dunal) root powder in primary insomnia in elderly male: A randomized … Other

Ayu 2020 5 citações

Efficacy and Safety of Ashwagandha (Withania somnifera) Root Extract in Insomnia and Anxiety: A Double-blind, Randomized, Placebo-controlled Study. Other

Cureus 2019 101 citações

NonScarring Diffuse Hair Loss in Women: a Clinico-Etiological Study from tertiary care center in North-West India. Observational

Journal of cosmetic … 2019 25 citações

Non-ablative radio frequency for the treatment of androgenetic alopecia. Other

Acta dermatovenerologica Alpina, … 2019 7 citações

Insomnia in Elderly Patients: Recommendations for Pharmacological Management. Review

Drugs & aging 2018 131 citações

GABA-modulating phytomedicines for anxiety: A systematic review of preclinical and clinical evidence. Systematic Review

Phytotherapy research : … 2018 95 citações

Developmental selenium exposure and health risk in daily foodstuffs: A systematic review and meta-analysis. Meta-Analysis

Ecotoxicology and environmental … 2018 77 citações

Study protocol and rationale for a prospective, randomized, double-blind, placebo-controlled study to evaluate the effects of Ashwagandha (Withania somnifera) extract … Other

Medicine 2018 14 citações

Clinical Practice Guideline for the Pharmacologic Treatment of Chronic Insomnia in Adults: An American Academy of Sleep Medicine Clinical Practice … Other

Journal of clinical … 2017 1097 citações

The effectiveness of treatments for androgenetic alopecia: A systematic review and meta-analysis. Meta-Analysis

Journal of the … 2017 343 citações

Platelet-Rich Plasma for Primary Treatment of Partial Ulnar Collateral Ligament Tears: MRI Correlation With Results. Other

Orthopaedic journal of … 2017 72 citações

A Comparative Study of Microneedling with Platelet-rich Plasma Plus Topical Minoxidil (5%) and Topical Minoxidil (5%) Alone in Androgenetic Alopecia. Other

International journal of … 2017 71 citações

Triethylene glycol, an active component of Ashwagandha (Withania somnifera) leaves, is responsible for sleep induction. Other

PloS one 2017 57 citações

Protective effect of some plant oils on diazinon induced hepatorenal toxicity in male rats. Other

Saudi journal of … 2017 41 citações

Methylsulfonylmethane (MSM), an organosulfur compound, is effective against obesity-induced metabolic disorders in mice. Other

Metabolism: clinical and … 2016 29 citações

Interventions for female pattern hair loss. Meta-Analysis

The Cochrane database … 2016 18 citações

Trichotillomania: Bizzare Patern of Hair Loss at 11-Year-old Girl. Case Report

Acta dermatovenerologica Croatica … 2016 6 citações

Effects of Ashwagandha (roots of Withania somnifera) on neurodegenerative diseases. Review

Biological & pharmaceutical … 2014 110 citações

Epidemiology of selenium and type 2 diabetes: can we make sense of it? Review

Free radical biology … 2013 208 citações

Feather keratin hydrolysates obtained from microbial keratinases: effect on hair fiber. Other

BMC biotechnology 2013 118 citações

[Effectiveness of the treatment plan for androgenetic alopecia]. Other

Georgian medical news 2007

Hepatitis A and B immunization in persons being evaluated for sexually transmitted diseases. Review

The American journal … 2005 25 citações

Sensitization to saw palmetto and minoxidil in separate topical extemporaneous treatments for androgenetic alopecia. Case Report

The Australasian journal … 2002 20 citações

[Diffuse hair loss in women]. Other

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Dosage & Usage

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

Dosagens Comumente Utilizadas

general:: 250-500 mg EPA+DHA/day
hairloss:: 1,000-2,000 mg/day

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

Dosagens Estudadas em Pesquisas

Dosagem	Duração	Efeito	N
Oral minoxidil: women 1.25 mg/day starting dose (range 0.625-5 mg/day); men 2.5 mg/day (range 1.25-5	--	Positive	--
varies by remedy and study	--	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	--
various dietary supplements (Nutrafol, apple extract, tocotrienols, pumpkin seed oil, Cistanche/Lami	--	Positive	1658
Folic acid supplementation (dose not specified; timing of initiation pre- vs post-conception assesse	--	Positive	480
Ashwagandha extract 600 mg/day (prior to discontinuation)	--	Negative	1

Melhor horário: With meals containing fat for optimal absorption; split doses if over 1,000 mg

Safety & Side Effects

Efeitos Colaterais Relatados

⚠ Fishy aftertaste or burping
⚠ Mild gastrointestinal upset (nausea, diarrhea)
⚠ Possible increased bleeding time at high doses
⚠ Unpleasant body odor at very high doses

Interações Conhecidas

● Anticoagulants (warfarin) and antiplatelet drugs (may increase bleeding risk)
● Blood pressure medications (additive hypotensive effect)
● Orlistat (reduces 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 Alopecia Androgenética?

Based on 71 studies with 19,624 participants, there is strong evidence from multiple clinical trials that Ácidos graxos ômega-3 may support Alopecia Androgenética management. Our evidence grade is A (Strong Evidence).

How much Ácidos graxos ômega-3 should I take for Alopecia Androgenética?

Studies have used various dosages. A commonly studied range is 250-500 mg EPA+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 burping, Mild gastrointestinal upset (nausea, diarrhea), Possible increased bleeding time at high doses, Unpleasant body odor at very 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 Alopecia Androgenética?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 71 peer-reviewed studies with 19,624 total participants. The overall direction of effect is positive.

Related Evidence

Outros ingredientes para Alopecia Androgenética

Minoxidil A Finasteride A Terapia PRP A Dutasteride A Microagulhamento A Terapia a laser de baixa intensidade A

Ácidos graxos ômega-3 para outras condições

Telogen Effluvium B

Veredito Rápido

Baseado em 71 estudos (8 meta-analyses, 9 RCTs) com 19,624 participantes no total. 58/71 estudos mostram efeitos positivos.

Evidence Strength92%

High confidence

Detalhamento dos Estudos

RCT (5)Meta (6)Other (60)

Comparar Alternativas

Veja como outros ingredientes se comparam para esta condição.

Ver todos os ingredientes para Alopecia Androgenética

Saiba Mais

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.