維他命 A 缺乏症（含夜盲症、乾眼症、兒童高死亡率風險）

「Vitamin A describes a group of metabolites involved in cell and tissue growth, and several bodily functions, including vision, bone metabolism, and immune function. Vitamin A metabolites include prefo」

「Vitamin A — GRAS — 21 CFR 184.1245, 184.1930 — Technical Effect: NUTRIENT SUPPLEMENT — SCOGS no. 118」

「Vitamin A contributes to the normal function of the immune system; Vitamin A contributes to the maintenance of normal vision; Vitamin A contributes to the maintenance of normal skin; Vitamin A contributes to the maintenance of normal mucous membranes; Vitamin A has a role in the process of cell specialisation; Vitamin A contributes to normal iron metabolism.」