Vitamin B2 deficiency may cause cracked and red lips and cracks at the corners of the mouth , dry and scaling skin , and the eyes may also become bloodshot , itchy , watery , and sensitive to bright light .
维生素B2缺乏可能会引起嘴唇破裂和红肿,嘴角破裂,皮肤干涩以及眼睛充血,发痒,湿润和对光线过敏。