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维生素D属脂溶性维生素，会在体内蓄积，长期每日超过推荐上限（1岁以下1000IU、1-3岁2500IU、4-8岁3000IU）可能导致高钙血症中毒，选购切忌盲目追求高剂量

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Unverified维生素D属于脂溶性维生素，会在体内蓄积，长期每日超过4000IU（成人可耐受最高摄入量UL）有中毒风险，表现为高钙血症、肾结石；不要凭感觉常年吃5000IU以上剂量89% similar Unverified维生素A和维生素D属脂溶性，过量有蓄积中毒风险，选购时单粒维生素A应≤DRI的100%（1-3岁约300μg RAE、4-8岁约400μg RAE），维生素D单日总摄入（含奶粉/其他补剂）不超过1000-1500IU88% similar Unverified维生素复合片中脂溶性维生素（A、D、E、K）过量有蓄积中毒风险，选购时维生素A应≤3000μg RAE（10000 IU）、维生素D应≤50μg（2000 IU）为宜，超高剂量产品需在医生指导下服用86% similar Unverified脂溶性维生素（A、D、E、K）过量有蓄积中毒风险，维生素A长期超过10000IU/天孕妇致畸、维生素D长期超4000IU/天可致高钙血症；水溶性维生素相对安全但大剂量B6（超100mg/天长期）可致神经病变86% similar Unverified选购复合维生素时优先看维生素D剂量，成人每日建议≥400-800IU（10-20μg），很多廉价复合维生素D含量仅100-200IU远不达标86% similar

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