[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

维生素B12的活性形式甲钴胺比氰钴胺吸收利用更好,尤其适合素食者、老年人及吸收功能下降者,纯素食人群B12缺乏风险高,建议每日补充2.4μg以上

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80%
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Long-term
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