Unverified82% confidenceDecision RuleTime unknown
选择D3+K2（MK-7型）复合配方时，D2000IU通常搭配K2 90-100μg，K2引导钙沉积到骨骼而非血管，适合中老年补钙人群
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82%
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Long-term
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Unverified补钙人群或中老年应选D3+K2（MK-7）复合配方，K2引导钙沉积至骨骼而非血管，可降低补钙相关的血管钙化风险；MK-7有效剂量约90-180mcg91% similarUnverified补钙人群优先选D3+K2（MK-7型）复合配方：K2引导钙沉积到骨骼而非血管，可降低高剂量补钙的动脉钙化风险，MK-7比MK-4半衰期更长91% similarUnverified每5000IU D3约需搭配90-100mcg MK-7型K2，用于引导钙沉积到骨骼而非血管，二者比例失衡（只补D3不补K2）在高剂量下可能增加软组织钙化风险90% similarUnverified维生素D3选择配比K2(MK-7)的复合剂型，K2引导钙沉积到骨骼而非血管，单独补D3高剂量(>2000IU/天)时更需搭配K2约100-200mcg89% similarUnverifiedD3+K2（MK-7型）复合配方适合同时补钙或有骨质疏松风险者，K2引导钙沉积到骨骼而非血管；单纯纠正D缺乏无需强制选复合配方89% similar
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