β-Carotene: Friend or Foe?

Abstract

This symposium focused on the research which documents benefit and toxicity in β-carotene supplementation. Reflecting on past and current studies, the panel of experts discussed: (1) the potential harm of a high intake of β-carotene on selected populations, (2) biochemical antioxidant/prooxidant mechanisms of β-carotene at the cellular level, (3) potential benefits of other carotenoids and antioxidants, and (4) future directions for research in β-carotene and other antioxidants.