Unverified82% confidenceDecision RuleTime unknown
维生素D3需搭配K2（MK-7型）才能引导钙沉积到骨骼而非血管，D3+K2复合配方比单一D3更适合中老年防骨质疏松及关注血管钙化人群
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82%
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Long-term
Relevance
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Unverified维生素K2（MK-7）与D3联用有助于将钙导向骨骼而非血管沉积，含钙+D3+K2的复合配方对中老年骨骼健康更有针对性97% similarUnverified维生素D3（胆钙化醇）生物利用率优于D2，且需搭配K2（MK-7形式）以引导钙沉积到骨骼而非血管，常见配比D3 2000IU + K2 90-100mcg95% similarUnverified维生素D3应与K2（MK-7型）搭配，D3促进钙吸收，K2引导钙沉积到骨骼而非血管，长期单独大剂量补D3（>2000IU）建议搭配K2 90-180mcg95% similarUnverified维生素D3补充首选与维生素K2（MK-7型）复配的产品，K2引导钙沉积到骨骼而非血管，单独补大剂量D3（＞4000IU/天）而无K2有软组织钙化风险95% similarUnverified维生素D3优先选择含K2（MK-7型）的复配产品，K2引导钙沉积到骨骼而非血管，单独大剂量补D3（≥2000IU）而不补K2可能增加动脉钙化风险94% similar
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