Journal of cosmetic dermatology · 2024
Exploring the impact of diet and nutrition on vitiligo: A systematic review of dietary factors and nutritional interventions.
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Hadi Zeenat, Kaur Ravneet, Parekh Zahra, Khanna Sukul, Khalil Ahmed Bazil Bin, Abbasi Haleema Qayyum, Ashfaque Faiza, Shah Dhruvi, Patel Vikaskumar Jitendrakumar, Hasibuzzaman Md Al
Аннотация
BACKGROUND: Vitiligo, an autoimmune skin disorder linked to hormonal and genetic factors, results in reduced pigmentation due to a gradual decline in melanocyte activity. This systematic review delves into the role of dietary intervention and nutrition in managing vitiligo.
METHODS: A comprehensive search on PubMed, Google Scholar, and European PMC identified 214 studies, with 14 meeting inclusion criteria post-screening. The selected studies primarily explored the impact of dietary supplements on disease activity.
RESULTS: Heavy metal exposure, specifically Cd, Pb, and Hg, indicated potential links to heightened reactive oxygen species and vitiligo development. Conflicting evidence emerged regarding the role of trace minerals (Zn and Cu), with some studies suggesting deficiencies and others proposing excesses in vitiligo patients. Vitamins with anti-inflammatory properties like vitamin C, D, and B12, along with antioxidants, were investigated for their potential in repigmentation strategies. Additionally, polyunsaturated fatty acids (PUFAs), especially in varying types of fat consumption, were implicated. Emphasizing the need to reduce reliance on pharmacological and phototherapy interventions, the review uncovers novel roles for dietary supplements as adjuncts or flare reducers.
CONCLUSION: While dietary interventions cannot be thought of as a standalone therapy, they still make a case for being used as adjuncts. Large scale clinical trials are warranted to establish strong evidence and protocols, and might also help reduce the dependency on pharmacological methods, which come with their adverse effect profiles.
METHODS: A comprehensive search on PubMed, Google Scholar, and European PMC identified 214 studies, with 14 meeting inclusion criteria post-screening. The selected studies primarily explored the impact of dietary supplements on disease activity.
RESULTS: Heavy metal exposure, specifically Cd, Pb, and Hg, indicated potential links to heightened reactive oxygen species and vitiligo development. Conflicting evidence emerged regarding the role of trace minerals (Zn and Cu), with some studies suggesting deficiencies and others proposing excesses in vitiligo patients. Vitamins with anti-inflammatory properties like vitamin C, D, and B12, along with antioxidants, were investigated for their potential in repigmentation strategies. Additionally, polyunsaturated fatty acids (PUFAs), especially in varying types of fat consumption, were implicated. Emphasizing the need to reduce reliance on pharmacological and phototherapy interventions, the review uncovers novel roles for dietary supplements as adjuncts or flare reducers.
CONCLUSION: While dietary interventions cannot be thought of as a standalone therapy, they still make a case for being used as adjuncts. Large scale clinical trials are warranted to establish strong evidence and protocols, and might also help reduce the dependency on pharmacological methods, which come with their adverse effect profiles.