Unverified80% confidenceTradeoffTime unknown
剂量越高越省事(可拉长服用间隔)但个体化调整空间越小,2000IU适合无检测条件的日常维持,5000IU适合已知缺乏且能定期检测者,1000IU适合儿童及维持已达标者
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified剂量越高单价越省但灵活性越差:5000IU单粒适合缺乏纠正阶段,维持期难拆分;1000IU可每日灵活调整。日常长期补充选1000-2000IU更安全可控82% similarUnverified剂量越高单价越低但灵活性越差:5000IU/10000IU大剂量适合明确缺乏(血清<20ng/ml)的短期纠正,而1000-2000IU更适合日常维持和灵活调整80% similarUnverified每滴固定400IU,适合婴幼儿日常预防剂量;若儿童或成人需要更高剂量(1000IU以上),每次需多滴且不经济,不如选择高剂量版本79% similarUnverified日常预防性补充选1000-2000IU/天即可满足大多数成人需求;5000IU属于纠正缺乏的短期高剂量,不建议在未检测血清水平的情况下长期每日服用79% similarUnverified剂量与安全的权衡:5000IU纠正缺乏见效快但需监测,1000-2000IU起效慢但可无监测长期服用,无检测者优选低剂量78% similar
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