Unverified90% confidenceFactTime unknown
MK-7为纳豆发酵来源的长链甲基萘醌,半衰期较长(约72小时),相比MK-4无需多次服用,每日一粒即可维持血液浓度
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90%
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Long-term
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UnverifiedMK-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87% similarUnverified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84% similarUnverifiedMK-7型K2(发酵纳豆来源)半衰期长达3天,每日一次即可维持血药浓度;MK-4型半衰期仅几小时需多次服用,选购K2应认准MK-7标注83% 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90-180μg79% similarUnverified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)77% similar
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