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Acides gras oméga-3 pour Alopécie Androgénétique

A

Basé sur 71 études (8 meta-analyses, 9 RCTs) avec 19,624 participants au total. 58/71 études montrent des effets positifs.

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A

En conclusion

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 Effet: 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 Effet: 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 Effet: 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 Effet: 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 Effet: 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 Effet: None None

Key Statistics

71

Études

19624

Participants

Positive

A

Note

Referenced Papers

Skin appendage disorders 2025 7 citations
International journal of … 2023 43 citations
Journal of ethnopharmacology 2020 85 citations
Archives of dermatological … 2020 51 citations
Acta dermatovenerologica Alpina, … 2019 7 citations
The Cochrane database … 2016 18 citations
Acta dermatovenerologica Croatica … 2016 6 citations
Biological & pharmaceutical … 2014 110 citations
Free radical biology … 2013 208 citations
Therapeutische Umschau. Revue … 2002 4 citations

Dosage & Usage

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

Posologies couramment utilisées

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

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

Posologies étudiées dans la recherche

Posologie Durée Effet 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

Moment optimal de prise : With meals containing fat for optimal absorption; split doses if over 1,000 mg

Safety & Side Effects

Effets indésirables signalés

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

Interactions connues

  • Anticoagulants (warfarin) and antiplatelet drugs (may increase bleeding risk)
  • Blood pressure medications (additive hypotensive effect)
  • Orlistat (reduces omega-3 absorption)

Apport maximal tolérable : 3,000 mg/day EPA+DHA

Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.

Frequently Asked Questions

Does Acides gras oméga-3 help with Alopécie Androgénétique?
Based on 71 studies with 19,624 participants, there is strong evidence from multiple clinical trials that Acides gras oméga-3 may support Alopécie Androgénétique management. Our evidence grade is A (Strong Evidence).
How much Acides gras oméga-3 should I take for Alopécie Androgénétique?
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 Acides gras oméga-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 Acides gras oméga-3 and Alopécie Androgénétique?
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

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.