Unverified85% confidenceDecision RuleTime unknown
长期骨骼健康优选MK-7而非MK-4,MK-7半衰期长达约72小时,每日一次即可维持稳定血药浓度;MK-4半衰期仅几小时,需一天多次高剂量服用(研究用量常达45mg/日)
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85%
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Unverified优先选择MK-7亚型而非MK-4,MK-7在血液中半衰期长达约72小时,每日一次即可维持稳定血药浓度;MK-4半衰期仅约1小时,需每日多次高剂量(15mg级别)才有效90% similarUnverifiedMK-7(甲基萘醌-7)型K2半衰期长达约72小时,每日一次即可维持稳定血药浓度,优于半衰期仅数小时的MK-4型84% similarUnverifiedK2优先选MK-7型(半衰期长约72小时,每日1次即可),而非MK-4型(半衰期仅数小时需多次服用),MK-7有效剂量为每日90-180μg83% similarUnverifiedD3与K2复配时,K2应为MK-7型(非MK-4型),MK-7半衰期约72小时,每日一次即可维持有效血浓度;MK-4半衰期仅1小时需多次服用,不适合日常补充81% similarUnverified维生素K2优选MK-7形式,其血液半衰期约3天,远长于MK-4的1-2小时,每日一次服用即可维持稳定血药浓度78% similar
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