Vitamin D 用于 Autoimmune Conditions
AThe VITAL trial (25,871 participants over 5 years) demonstrated vitamin D supplementation at 2,000 IU/day may reduce autoimmune disease risk by 22%. This represents one of the largest and longest randomized trials of vitamin D for autoimmune disease prevention.
结论
The VITAL trial (25,871 participants over 5 years) demonstrated vitamin D supplementation at 2,000 IU/day may reduce autoimmune disease risk by 22%. This represents one of the largest and longest randomized trials of vitamin D for autoimmune disease prevention.
Key Study Findings
研究人群: patients with rheumatoid arthritis
研究人群: Patients with rheumatoid arthritis
研究人群: None
研究人群: Systematic review of nutraceuticals in rheumatoid arthritis
研究人群: SLE patients (EULAR/ACR 2019 criteria)
研究人群: None
Key Statistics
3
研究数量
25871
受试者
Positive
等级
Referenced Papers
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
常用剂量
- general:
- 600-800 IU/day
- immunesupport:
- 1,000-2,000 IU/day
- deficiencycorrection:
- 4,000-5,000 IU/day (under medical supervision)
上限: 4,000 IU/day (100 mcg)
研究中使用的剂量
| 剂量 | 持续时间 | 效果 | N |
|---|---|---|---|
| None | -- | Positive | -- |
| None | -- | Positive | -- |
| None | -- | Mixed | -- |
| None | -- | Mixed | -- |
| 4000 IU or 8000 IU daily | 26 weeks | Positive | -- |
| None | -- | Positive | -- |
| None | -- | Neutral | -- |
| None | -- | Neutral | -- |
最佳服用时间: With a meal containing fat for better absorption
Safety & Side Effects
已报告的副作用
- ⚠ Hypercalcemia at very high doses (nausea, vomiting, weakness)
- ⚠ Kidney stones with excessive long-term use
- ⚠ Constipation
- ⚠ Metallic taste
已知相互作用
- ● 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)
可耐受最高摄入量: 4,000 IU/day (100 mcg)
在开始服用任何补充剂之前,请务必咨询您的医疗保健提供者。
Frequently Asked Questions
Does Vitamin D help with Autoimmune Conditions?
How much Vitamin D should I take for Autoimmune Conditions?
Are there side effects of Vitamin D?
How strong is the evidence for Vitamin D and Autoimmune Conditions?
Related Evidence
其他成分用于 Autoimmune Conditions
Vitamin D 用于其他健康状况
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