Research suggests vitamin D deficiency is common in vitiligo patients. Supplementation may support melanocyte function, but clinical evidence for repigmentation is limited.
Research suggests vitamin D deficiency is common in vitiligo patients. Supplementation may support melanocyte function, but clinical evidence for repigmentation is limited.
Key Statistics
4
研究数量
300
受试者
↑
Positive
D
等级
Dosage & Usage
mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units
●
Corticosteroids (may reduce vitamin D absorption)
●
Orlistat and cholestyramine (reduce absorption of fat-soluble vitamins)
●
Calcipotriene (additive vitamin D effect)
可耐受最高摄入量: 4,000 IU/day (IOM); many experts consider up to 10,000 IU/day safe
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 Vitiligo?
Based on 4 studies with 300 participants, there is preliminary evidence that needs more research that Vitamin D may support Vitiligo management. Our evidence grade is D (Very Early Research).
How much Vitamin D should I take for Vitiligo?
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 Vitiligo?
We rate the evidence as Grade D (Very Early Research). This rating is based on 4 peer-reviewed studies with 300 total participants. The overall direction of effect is positive.