僅用于工業應用或科學研究，不可用于人類或動物的臨床診斷或治療，非藥用.β-Carotene （Provitamin A）, a carotenoid compound, is a naturally-occurring vitamin A precursor. β-Carotene is a modulator of reactive oxygen species （ROS）, with antioxidant and antiinflammatory activities. β-Carotene may serve as an antioxidant or as a prooxidant, depending on its intrinsic properties as well as on the redox potential of the biological environment in which it acts. β-Carotene induces breast cancer cells apoptosis, with anticancer activities.β-Carotene （Provitamin A） 屬于類胡蘿卜素化合物，是天然存在的維生素 A 前體