Unverified88% confidenceDecision RuleTime unknown
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 90-100mcg
1
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88%
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Long-term
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Unverified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 90-180mcg96% 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95% similarUnverified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95% 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100-200mcg94% 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94% similar
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