Side effects of PABA:  

肝疾Liver disease, 黃疸jaundice, 惡心nausea, 嘔吐vomiting, 增加維他命B6 C 的需求increased Vitamin C requirements, increased Vitamin B6 requirements,降低肝臟對動情素的分解 decreased estrogen breakdown by the liver,甲狀腺功能低下 hypothyroid.