Vitamin A pour Perte Capillaire par Carence Nutritionnelle

Based on 4 studies with 1 total participants. 3/4 studies show positive effects.

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En conclusion

Based on 4 studies with 1 total participants. 3/4 studies show positive effects.

Key Study Findings

Review

Vitamins A, B, C, and D: A Short Review for the Dermatologist.

Dose: None vs: control Outcome: None Effet: None None

Population: patients with uncombable hair syndrome

Case report n=1 20 weeks

Combined Diet and Supplementation Therapy Resolves Alopecia Areata in a Paediatric Patient: A Case Study.

Dose: Multi-nutrient supplement, zinc sulfate, fish oil with vitamin D; diet rich in vitamins A and D, zin vs: Placebo Effet: Complete remission within 5 months None

narrative_review

Nutrition and skin: Kids are not just little people.

Dose: None vs: Placebo Effet: narrative review; discusses role of nutrition from prenatal period on skin immune responses; highlig not_applicable

Review

Retinoids putting the "a" in alopecia.

Dose: None vs: None Outcome: Vitamin A role in alopecia development Effet: None None

Population: Patients with alopecia (theoretical)

Key Statistics

Études

Participants

↑

Positive

Note

Referenced Papers

Vitamins A, B, C, and D: A Short Review for the Dermatologist. Review

Alternative therapies in … 2021 10 citations

Combined Diet and Supplementation Therapy Resolves Alopecia Areata in a Paediatric Patient: A Case Study. Case Report

Cureus 2020 5 citations

Nutrition and skin: Kids are not just little people. Review

Clinics in dermatology 2016 19 citations

Retinoids putting the "a" in alopecia. Other

The Journal of … 2013 10 citations

Dosage & Usage

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

Posologies couramment utilisées

general:: 700-900 mcg RAE/day (2,300-3,000 IU)

Limite supérieure : 3,000 mcg RAE/day (10,000 IU preformed vitamin A)

Posologies étudiées dans la recherche

Posologie	Durée	Effet	N
None	--	Positive	--
Multi-nutrient supplement, zinc sulfate, fish oil with vitamin D; diet rich in vitamins A and D, zin	20 weeks	Positive	1
None	--	Positive	--
None	--	Negative	--

Moment optimal de prise : With a fat-containing meal; consult your healthcare provider about appropriate dosage

Safety & Side Effects

Effets indésirables signalés

⚠ Hair loss at excessive doses (hypervitaminosis A)
⚠ Dry skin and lips
⚠ Headache and nausea at high doses
⚠ Teratogenicity — contraindicated in pregnancy at high doses

Interactions connues

● Retinoid medications (isotretinoin, tretinoin — additive toxicity risk)
● Tetracycline antibiotics (increased intracranial pressure risk)
● Anticoagulants (high-dose vitamin A may increase bleeding risk)
● Hepatotoxic drugs (additive liver stress at high doses)

Apport maximal tolérable : 3,000 mcg RAE/day (10,000 IU preformed vitamin A)

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 Vitamin A help with Perte Capillaire par Carence Nutritionnelle?

Based on 4 studies with 1 participants, there is preliminary evidence that needs more research that Vitamin A may support Perte Capillaire par Carence Nutritionnelle management. Our evidence grade is D (Very Early Research).

How much Vitamin A should I take for Perte Capillaire par Carence Nutritionnelle?

Studies have used various dosages. A commonly studied range is 700-900 mcg RAE/day (2,300-3,000 IU). Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Vitamin A?

Reported side effects may include Hair loss at excessive doses (hypervitaminosis A), Dry skin and lips, Headache and nausea at high doses, Teratogenicity — contraindicated in pregnancy 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 Vitamin A and Perte Capillaire par Carence Nutritionnelle?

We rate the evidence as Grade D (Very Early Research). This rating is based on 4 peer-reviewed studies with 1 total participants. The overall direction of effect is positive.

Related Evidence

Autres ingrédients pour Perte Capillaire par Carence Nutritionnelle

Sélénium A Biotin B L-Cystéine D Vitamine B12 F Folate F

Vitamin A pour d'autres pathologies

Scalp Inflammation (Folliculitis & Dermatitis) D

Verdict rapide

Based on 4 studies with 1 total participants. 3/4 studies show positive effects.

Evidence Strength30%

Low confidence

Synthèse des études

RCT (0)Meta (0)Other (4)

Comparer les alternatives

Découvrez comment d'autres ingrédients se comparent pour cette condition.Découvrez comment d'autres ingrédients se comparent pour cette pathologie.

Voir tous les ingrédients pour Perte Capillaire par Carence Nutritionnelle

En savoir plus

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.