[KongchangAI]
Unverified88% confidenceTradeoffTime unknown

视黄醇(预成型维生素A)为动物来源直接活性形式,吸收率高但过量风险大;β-胡萝卜素为植物来源前体,人体按需转化,过量仅致皮肤发黄不产生毒性,日常预防性补充优先选β-胡萝卜素形式

1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen

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