Unverified82% confidenceDecision RuleTime unknown
维生素D与情绪相关,但盲目大剂量补充有风险:日常维持剂量为1000-2000IU,超过4000IU/日长期服用需监测血钙;建议先测25-OH-VD血清水平(<20ng/ml为缺乏)再决定剂量
1
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82%
Confidence
Long-term
Relevance
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Unverified维生素D与情绪相关时,血清25(OH)D低于30ng/mL才有补充意义,日常维持剂量1000-2000IU;不做血检就盲目大剂量(>4000IU长期)可能造成钙代谢负担94% similarUnverified维生素D缺乏与季节性情绪失调(SAD)相关,血清25(OH)D低于30ng/mL者补充2000IU/日;补前建议检测水平,盲目高剂量补充有高钙血症风险90% similarUnverified维生素D有蓄积中毒风险,不建议长期每天超过4000IU(成人可耐受最高摄入量UL),无检测情况下不要盲目大剂量堆叠补充85% similarUnverified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83% similarUnverified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83% similar
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