It is a naturally occurring antioxidant that is generally well-tolerated
doi: 10.3389/fnut.2026.1804917 Received 05 February 2026 Revised 04 March 2026 Accepted 16 March 2026 Published 31 March 2026 Volume 13 - 2026 Edited by Berenice M Romn Calleja, National Institute of Medical Sciences and Nutrition Salvador Zubirn, Mexico Reviewed by Anindita Banerjee, Indian Council of Medical Research (ICMR), India Venkateswararao Eeda, University of Oklahoma Health Sciences Center, United States Updates Copyright 2026 Chen, Zou, Li, Liu, Liu, Yao, Peng, Liang, Chen, Huang and Huang
Animal-based foods are the main sources, so intake is typically higher in people who eat meat and dairy than in those following plant-based diets
Continued treatment is necessary to maintain the skin tone