Vitamin E para Brittle Hair and Nails Syndrome

Based on 2 studies with 30 total participants. Results are mixed across studies.

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Conclusão

Based on 2 studies with 30 total participants. Results are mixed across studies.

Key Study Findings

prospective controlled study n=30

Investigation of ischaemia-modified albumin and antioxidant vitamins and minerals levels in alopecia areata patients and …

Dose: None vs: Placebo Efeito: None None

Other

Extensive Bioactivity of Astaxanthin from Haematococcus pluvialis in Human.

Dose: None vs: None Outcome: None Efeito: None None

População: None

Key Statistics

Estudos

Participantes

↔

Mixed

Nota

Referenced Papers

Investigation of ischaemia-modified albumin and antioxidant vitamins and minerals levels in alopecia areata patients and evaluation of their relationship with … Other

Cutaneous and ocular … 2025 1 citações

Extensive Bioactivity of Astaxanthin from Haematococcus pluvialis in Human. Other

Advances in experimental … 2021 13 citações

Dosage & Usage

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

Dosagens Comumente Utilizadas

general:: 400 IU/day mixed tocopherols; 50-100 mg/day tocotrienols

Limite superior: 1,000 mg/day (1,500 IU natural; 1,100 IU synthetic)

Dosagens Estudadas em Pesquisas

Dosagem	Duração	Efeito	N
None	--	Neutral	30
None	--	Positive	--

Melhor horário: With a fat-containing meal for optimal absorption

Safety & Side Effects

Efeitos Colaterais Relatados

⚠ Increased bleeding risk at high doses
⚠ Nausea and gastrointestinal discomfort
⚠ Fatigue and muscle weakness (rare at high doses)
⚠ Potential interference with vitamin K activity

Interações Conhecidas

● Anticoagulants and antiplatelet drugs (increased bleeding risk)
● Chemotherapy and radiation (antioxidant interference — consult oncologist)
● Statins and niacin (may reduce HDL-raising effects)
● Iron supplements (vitamin E may impair iron absorption in deficient individuals)

Ingestão máxima tolerável: 1,000 mg/day (1,500 IU natural; 1,100 IU synthetic)

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 Vitamin E help with Brittle Hair and Nails Syndrome?

Based on 2 studies with 30 participants, there is preliminary evidence that needs more research that Vitamin E may support Brittle Hair and Nails Syndrome management. Our evidence grade is D (Very Early Research).

How much Vitamin E should I take for Brittle Hair and Nails Syndrome?

Studies have used various dosages. A commonly studied range is 400 IU/day mixed tocopherols; 50-100 mg/day tocotrienols. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Vitamin E?

Reported side effects may include Increased bleeding risk at high doses, Nausea and gastrointestinal discomfort, Fatigue and muscle weakness (rare at high doses), Potential interference with vitamin K activity. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Vitamin E and Brittle Hair and Nails Syndrome?

We rate the evidence as Grade D (Very Early Research). This rating is based on 2 peer-reviewed studies with 30 total participants. The overall direction of effect is mixed.

Related Evidence

Outros ingredientes para Brittle Hair and Nails Syndrome

Silica (Silicon) D

Vitamin E para outras condições

Afinamento Capilar Relacionado à Idade D

Veredito Rápido

Based on 2 studies with 30 total participants. Results are mixed across studies.

Evidence Strength30%

Low confidence

Detalhamento dos Estudos

RCT (0)Meta (0)Other (2)

Comparar Alternativas

Veja como outros ingredientes se comparam para esta condição.

Ver todos os ingredientes para Brittle Hair and Nails Syndrome

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.