Function, Sources and Metabolism of Vitamin A

your vision in light and night is controlled by an essential vitamin. lets discover about this vitamin its sources, requirements, mechamism along with its other roles and deficiency.Watch this video to know about that vitamin. TIMELINE: 0:00 Introduction 0:17 Forms of Vitamin A 0:56 Vitamin A in diet 1:42 Vitamin A in digestive tract 2:24 Vitamin A in Visual cycle 3:30 Vitamin A and Gene Expression 5:07 Antioxidative actions 5:35 Deficiency of Vitamin A 8:00 Vitamin A and infections 8:27 Recommended vitamin A intake 9:19 Vitamin A in supplements