Skin of Color

Analysis of Online Diet Recommendations for Vitiligo

Cutis. 2024 January;113(1):18-21,E1-E2 | doi:10.12788/cutis.0929

References

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Minerals—Eight of 31 (26%) web pages suggested including zinc in the diet to improve vitiligo symptoms. A 2020 study evaluated how different serum levels of zinc in vitiligo patients might be affiliated with interleukin activity. Fifty patients diagnosed with active vitiligo were tested for serum levels of zinc, IL-4, IL-6, and IL-17.¹⁶ The results showed that mean serum levels of zinc were lower in vitiligo patients compared with patients without vitiligo. The study concluded that zinc could possibly be used as a supplement to improve vitiligo, though the dosage needs to be further studied and confirmed.¹⁶

Vegetables—Eleven of 31 (35%) web pages recommended leafy green vegetables and 13 of 31 (42%) recommended spinach for patients with vitiligo. Spinach and other leafy green vegetables are known to be rich in antioxidants, which may have protective effects against reactive oxygen species that are thought to contribute to vitiligo progression.^17,18

Nuts—Walnuts were recommended in 11 of 31 (35%) web pages. Nuts may be beneficial in reducing inflammation and providing protection against oxidative stress.⁹ However, there is no specific scientific literature that supports the inclusion of nuts in the diet to manage vitiligo symptoms.

Comment

With a growing amount of research suggesting that diet modifications may contribute to management of certain skin conditions, vitiligo patients often inquire about foods or supplements that may help improve their condition.¹⁹ Our review highlighted what information was available to the public regarding diet and vitiligo, with preliminary support of the following primary diet components: vitamin D, vitamin B₁₂, zinc, and omega-3 fatty acids. Our review showed no support in the literature for the items that were recommended to avoid. It is important to note that 27 of 31 (87%) web pages from our online search were not authored by medical professionals or dermatologists. Additionally, many web pages suggested conflicting information, making it difficult to draw concrete conclusions about what diet modifications will be beneficial to the vitiligo community. Further controlled clinical trials are warranted due to the lack of formal studies that assess the relationship between diet and vitiligo.

Analysis of Online Diet Recommendations for Vitiligo

References

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