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Vitamin D para Psoriasis

B

Vitamin D deficiency is significantly associated with increased psoriasis severity. Research suggests supplementation (1,000-4,000 IU/day) may support skin immune regulation via vitamin D receptor-mediated keratinocyte differentiation.

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B

Conclusão

Vitamin D deficiency is significantly associated with increased psoriasis severity. Research suggests supplementation (1,000-4,000 IU/day) may support skin immune regulation via vitamin D receptor-mediated keratinocyte differentiation.

Key Statistics

16

Estudos

2200

Participantes

Positive

B

Nota

Dosage & Usage

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

Dosagens Comumente Utilizadas

general:
600-800 IU/day (RDA)
skinhealth:
1,000-4,000 IU/day (targeting 30-50 ng/mL serum 25(OH)D)

Limite superior: 4,000 IU/day (IOM); many experts consider up to 10,000 IU/day safe

Melhor horário: With meals containing fat for better absorption

Safety & Side Effects

Efeitos Colaterais Relatados

  • Generally well-tolerated at recommended doses
  • Hypercalcemia at very high doses (nausea, vomiting, weakness)
  • Kidney stones (rare, at excessive doses)

Interações Conhecidas

  • Thiazide diuretics (may increase calcium levels)
  • Corticosteroids (may reduce vitamin D absorption)
  • Orlistat and cholestyramine (reduce absorption of fat-soluble vitamins)
  • Calcipotriene (additive vitamin D effect)

Ingestão máxima tolerável: 4,000 IU/day (IOM); many experts consider up to 10,000 IU/day safe

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 D help with Psoriasis?
Based on 16 studies with 2,200 participants, there is moderate evidence from clinical studies that Vitamin D may support Psoriasis management. Our evidence grade is B (Good Evidence).
How much Vitamin D should I take for Psoriasis?
Studies have used various dosages. A commonly studied range is 600-800 IU/day (RDA). Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Vitamin D?
Reported side effects may include Generally well-tolerated at recommended doses, Hypercalcemia at very high doses (nausea, vomiting, weakness), Kidney stones (rare, at excessive 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 D and Psoriasis?
We rate the evidence as Grade B (Good Evidence). This rating is based on 16 peer-reviewed studies with 2,200 total participants. The overall direction of effect is positive.

Related Evidence

Outros ingredientes para Psoriasis

Vitamin D para outras condições

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.