Unverified85% confidenceTradeoffTime unknown
D3剂量越高纠正缺乏越快,但脂溶性会蓄积、长期高剂量有中毒风险(血钙升高);日常维持追求安全性应选1000-2000IU而非5000IU长期服用
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85%
Confidence
Long-term
Relevance
-
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UnverifiedD3高剂量+高频率不等于更好:单次大剂量(如每周50000IU)与每日小剂量在维持水平上效果相当,但每日剂型血清波动更平稳,依从性好者优选每日型82% similarUnverified该产品D3剂量有多种规格,日常维持选低剂量即可;若医生确认严重缺乏才考虑高剂量版本,长期大剂量D3需定期监测血钙和25(OH)D水平81% similarUnverified单次剂量D3为1000IU,对于医生建议高剂量补充D3(如每日2000-5000IU)的严重缺乏者,需要多滴服用,性价比可能不如高剂量单方D3产品81% similarUnverified剂量越高纠正缺乏越快,但超过4000IU/日(成人可耐受最高摄入量UL)长期服用需血检监测25-OH-D和血钙,避免维生素D中毒和高钙血症81% similar
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