維生素A Vitamin A

INT-vitamin-a-001 8 個適應症被研究
A 2 B 2 C 3 U 1

適應症與證據等級

法規與權威立場 (L4)

L4a · US FDA
立場:supportive
Vitamin A — GRAS — 21 CFR 184.1245, 184.1930 — Technical Effect: NUTRIENT SUPPLEMENT — SCOGS no. 118
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L4b · EU EFSA
立場:neutral
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.
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L4c · UK NHS
立場:cautious
Do not take cod liver oil or any supplements containing vitamin A (retinol) when you're pregnant. Too much vitamin A could harm your baby.
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L4d · TW TFDA / 衛福部
立場:neutral
維生素A 指示藥每日用量上限 10,000 IU(3,000 微克 RE);換算:1 微克 RE = 1 微克 Retinol = 6 微克 β-Carotene;3 微克 RE = 10 IU。
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L4e · WHO
立場:supportive
In settings where vitamin A deficiency is a public health problem, vitamin A supplementation is recommended in infants and children 6-59 months of age as a public health intervention to reduce child morbidity and mortality (strong recommendation).
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市場與行銷 (L10)

L10a · TW Market Channels
β-胡蘿蔔素,溫和補充維生素A
L10b · TW Legal Identity (TFDA)
含維生素A每日最高用量超過10,000 IU者,應列屬藥品管理;每日用量超過25,000 IU者,應以處方藥列管。孕婦每日攝取維生素A超過10,000 IU可能造成胎兒畸形之虞,應標示警語。
L10c · TW Community (PTT/Dcard/Mobile01)
維他命A幫助角質代謝,比較不會阻塞毛孔