Vitamin D para Inflammatory Bowel Disease (IBD) — General
BSupplementation (1,000-4,000 IU/day) reduces relapse risk in both UC and Crohn's. Deficiency is common in IBD (up to 60%) and correlates with disease severity.
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B
Conclusão
Supplementation (1,000-4,000 IU/day) reduces relapse risk in both UC and Crohn's. Deficiency is common in IBD (up to 60%) and correlates with disease severity.
Key Study Findings
Review
Early Evidence Indicates Vitamin D Improves Symptoms of Irritable Bowel Syndrome: Nursing Implications and Future …
Dose: None
vs: None
Outcome: IBS symptom improvement with vitamin D supplementation
Efeito: None
None
População: individuals with irritable bowel syndrome
Review
Diet in Ulcerative Colitis: A Narrative Review of Its Role in Pathogenesis and Treatment.
Dose: None
vs: None
Outcome: None
Efeito: None
None
População: patients with ulcerative colitis
Review
Probiotics in inflammatory bowel disease: microbial modulation and therapeutic prospects.
Dose: None
vs: None
Outcome: None
Efeito: None
None
População: review of probiotics as therapeutic strategy for inflammatory bowel disease
Review
Micronutrient Deficiencies in Pediatric IBD: How Often, Why, and What to Do?
Dose: None
vs: None
Outcome: Micronutrient deficiency management in pediatric IBD
Efeito: None
None
População: Children with inflammatory bowel disease (review)
Observational Study
n=193
The importance of vitamin D levels in patients with inflammatory bowel disease.
Dose: None
vs: Clinical activity groups and VD status groups
Outcome: Vitamin D levels and IBD activity markers
Efeito: None
0.009 (CD), 0.033 (UC), 0.032
População: Greek IBD patients (122 CD, 71 UC)
Review
Osteoporosis: A Review.
Dose: None
vs: None
Outcome: None
Efeito: None
None
População: Adults with osteoporosis
Key Statistics
10
Estudos
1500
Participantes
↑
Positive
B
Nota
Referenced Papers
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10 citações
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Systematic Review
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2018
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335 citações
Fat-soluble Vitamin Deficiencies and Inflammatory Bowel Disease: Systematic Review and Meta-Analysis.
Meta-Analysis
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2017
73 citações
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2017
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Review
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2017
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8 citações
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2017
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2016
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Iron Deficiency, Zinc, Magnesium, Vitamin Deficiencies in Crohn's Disease: Substitute or Not?
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Vitamin D and inflammation.
Review
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281 citações
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4 citações
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179 citações
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Dosagens Comumente Utilizadas
- general:
- 600-800 IU/day (RDA)
- ibdsupport:
- 1,000-4,000 IU/day (target serum 25(OH)D >30 ng/mL)
- deficiencycorrection:
- 50,000 IU/week for 8 weeks, then 1,000-4,000 IU/day maintenance
Limite superior: 4,000 IU/day (100 mcg); higher doses under medical supervision only
Dosagens Estudadas em Pesquisas
| Dosagem | Duração | Efeito | N |
|---|---|---|---|
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Neutral | -- |
| None | -- | Negative | 193 |
| None | -- | Mixed | -- |
| None | 690 weeks | Neutral | 357656 |
| None | -- | Positive | 310 |
Melhor horário: With a meal containing fat for better absorption
Safety & Side Effects
Efeitos Colaterais Relatados
- ⚠ Hypercalcemia at very high doses (nausea, vomiting, weakness, confusion)
- ⚠ Kidney stones with excessive long-term supplementation
- ⚠ Constipation
- ⚠ Metallic taste
Interações Conhecidas
- ● Thiazide diuretics (may increase risk of hypercalcemia)
- ● Corticosteroids (reduce vitamin D absorption and metabolism)
- ● Orlistat and cholestyramine (reduce fat-soluble vitamin absorption)
- ● Statins (vitamin D may affect statin metabolism)
Ingestão máxima tolerável: 4,000 IU/day (100 mcg); higher doses under medical supervision only
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 Inflammatory Bowel Disease (IBD) — General?
Based on 10 studies with 1,500 participants, there is moderate evidence from clinical studies that Vitamin D may support Inflammatory Bowel Disease (IBD) — General management. Our evidence grade is B (Good Evidence).
How much Vitamin D should I take for Inflammatory Bowel Disease (IBD) — General?
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 Hypercalcemia at very high doses (nausea, vomiting, weakness, confusion), Kidney stones with excessive long-term supplementation, Constipation, Metallic taste. 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 Inflammatory Bowel Disease (IBD) — General?
We rate the evidence as Grade B (Good Evidence). This rating is based on 10 peer-reviewed studies with 1,500 total participants. The overall direction of effect is positive.
Related Evidence
Outros ingredientes para Inflammatory Bowel Disease (IBD) — General
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.