Vitamin D für Inflammatory Bowel Disease (IBD) — General
B Evidenz Mindestens eine randomisierte Studie unterstützt dies, mit überwiegend konsistenten Ergebnissen.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.
Fazit
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
Population: individuals with irritable bowel syndrome
Population: patients with ulcerative colitis
Population: review of probiotics as therapeutic strategy for inflammatory bowel disease
Population: Children with inflammatory bowel disease (review)
Population: Greek IBD patients (122 CD, 71 UC)
Population: Adults with osteoporosis
Key Statistics
10
Studien
1500
Teilnehmer
Positive
Bewertung
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
Übliche Dosierungen
- 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
Obergrenze: 4,000 IU/day (100 mcg); higher doses under medical supervision only
In der Forschung untersuchte Dosierungen
| Dosierung | Dauer | Wirkung | N |
|---|---|---|---|
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Neutral | -- |
| None | -- | Negative | 193 |
| None | -- | Mixed | -- |
| None | 690 weeks | Neutral | 357656 |
| None | -- | Positive | 310 |
Beste Einnahmezeit: With a meal containing fat for better absorption
Safety & Side Effects
Gemeldete Nebenwirkungen
- ⚠ Hypercalcemia at very high doses (nausea, vomiting, weakness, confusion)
- ⚠ Kidney stones with excessive long-term supplementation
- ⚠ Constipation
- ⚠ Metallic taste
Bekannte Wechselwirkungen
- ● 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)
Tolerierbare Höchstaufnahmemenge: 4,000 IU/day (100 mcg); higher doses under medical supervision only
Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.
Frequently Asked Questions
Does Vitamin D help with Inflammatory Bowel Disease (IBD) — General?
How much Vitamin D should I take for Inflammatory Bowel Disease (IBD) — General?
Are there side effects of Vitamin D?
How strong is the evidence for Vitamin D and Inflammatory Bowel Disease (IBD) — General?
Related Evidence
Andere Inhaltsstoffe für Inflammatory Bowel Disease (IBD) — General
Vitamin D für andere Beschwerden
References
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