[KongchangAI]
Unverified85% confidenceCautionTime unknown

长期大剂量(>1000μg/天)单独补充叶酸可能掩盖维生素B12缺乏的血液学表现,导致神经损伤延误诊断,因此高剂量补叶酸时应同时关注B12水平,尤其素食者和老年人

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85%
Confidence
Long-term
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