Vitamin D لـ 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
الخلاصة
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
مقابل: None
Outcome: IBS symptom improvement with vitamin D supplementation
التأثير: None
None
المجتمع المدروس: individuals with irritable bowel syndrome
Review
Diet in Ulcerative Colitis: A Narrative Review of Its Role in Pathogenesis and Treatment.
Dose: None
مقابل: None
Outcome: None
التأثير: None
None
المجتمع المدروس: patients with ulcerative colitis
Review
Probiotics in inflammatory bowel disease: microbial modulation and therapeutic prospects.
Dose: None
مقابل: None
Outcome: None
التأثير: None
None
المجتمع المدروس: 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
مقابل: None
Outcome: Micronutrient deficiency management in pediatric IBD
التأثير: None
None
المجتمع المدروس: Children with inflammatory bowel disease (review)
Observational Study
n=193
The importance of vitamin D levels in patients with inflammatory bowel disease.
Dose: None
مقابل: Clinical activity groups and VD status groups
Outcome: Vitamin D levels and IBD activity markers
التأثير: None
0.009 (CD), 0.033 (UC), 0.032
المجتمع المدروس: Greek IBD patients (122 CD, 71 UC)
Review
Osteoporosis: A Review.
Dose: None
مقابل: None
Outcome: None
التأثير: None
None
المجتمع المدروس: Adults with osteoporosis
Key Statistics
10
الدراسات
1500
المشاركون
↑
Positive
B
التقييم
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Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
الجرعات الشائعة
- 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
الحد الأعلى: 4,000 IU/day (100 mcg); higher doses under medical supervision only
الجرعات المدروسة في الأبحاث
| الجرعة | المدة | التأثير | ن |
|---|---|---|---|
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Positive | -- |
| None | -- | Neutral | -- |
| None | -- | Negative | 193 |
| None | -- | Mixed | -- |
| None | 690 weeks | Neutral | 357656 |
| None | -- | Positive | 310 |
أفضل وقت للتناول: With a meal containing fat for better absorption
Safety & Side Effects
الآثار الجانبية المُبلّغ عنها
- ⚠ Hypercalcemia at very high doses (nausea, vomiting, weakness, confusion)
- ⚠ Kidney stones with excessive long-term supplementation
- ⚠ Constipation
- ⚠ Metallic taste
التفاعلات المعروفة
- ● 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)
الحد الأقصى المسموح به: 4,000 IU/day (100 mcg); higher doses under medical supervision only
استشر مقدم الرعاية الصحية دائماً قبل البدء بأي مكمل غذائي.
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
مكونات أخرى لـ Inflammatory Bowel Disease (IBD) — General
Vitamin D لحالات أخرى
إخلاء مسؤولية FDA: لم تُقيَّم هذه البيانات من قبل إدارة الغذاء والدواء (FDA). لا تهدف المنتجات والمعلومات الواردة في هذا الموقع إلى تشخيص أو علاج أو شفاء أو الوقاية من أي مرض. تستند تقييمات الأدلة المعروضة إلى تحليلنا للأبحاث المحكّمة المنشورة ولا تُشكّل نصيحة طبية. استشر مقدم الرعاية الصحية دائماً قبل البدء بأي نظام مكملات.