Unverified88% confidenceDecision RuleTime unknown
补钙必须搭配维生素D3（每日400-800IU）促进肠道吸收，同时配伍维生素K2（MK-7）可引导钙沉积至骨骼而非血管，中老年防骨质疏松优选钙+D3+K2组合
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Unverified钙补充剂应搭配维生素D3（每日400-800IU）和维生素K2（MK-7型），D3促进钙吸收，K2引导钙沉积到骨骼而非血管，单纯大量补钙不配K2可能增加动脉钙化风险95% similarUnverified选择含维生素D3的钙剂（每日400-800IU），维D促进钙吸收，缺乏时补钙效果大打折扣；含维生素K2的复合配方可引导钙沉积到骨骼而非血管，是加分项95% 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 90-180mcg92% similarUnverified维生素D3与K2（MK-7形式）应搭配服用，D3促进钙吸收、K2引导钙沉积到骨骼避免血管钙化，D3 2000-5000IU配K2 90-180mcg为常见比例92% similarUnverified补钙必须搭配维生素D3（每日400-800IU）才能有效促进肠道钙吸收，单纯补钙不含D3吸收利用率有限91% similar
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