[KongchangAI]
Unverified88% confidenceDecision RuleTime unknown

纯VC(左旋抗坏血酸)有效浓度需10%-20%且pH<3.5才起效,但极易氧化变黄失活;选购需看是否含阿魏酸+VE复配抗氧化,或选用不透明避光棕瓶/铝管密封包装

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88%
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Long-term
Relevance
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