Unverified85% confidenceTradeoffTime unknown
钙原料形式决定吸收率和服用便利性:柠檬酸钙吸收率不依赖胃酸、适合老年人和服用抑酸药者,但含钙密度低需多粒;碳酸钙含钙密度高、粒数少但需随餐服且依赖胃酸
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85%
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Unverified钙源类型影响吸收与耐受:柠檬酸钙(citrate)不依赖胃酸、空腹亦可吸收,适合胃酸偏低者与老年人;碳酸钙(carbonate)含钙密度高、需随餐服用且易致腹胀便秘91% similarUnverified钙源形式影响吸收与耐受:碳酸钙含钙量高但需随餐服用且易胀气便秘,柠檬酸钙吸收率更稳定、可空腹服用,适合胃酸偏低的老年人91% similarUnverified钙的形态影响吸收:碳酸钙含钙量高(40%)但需随餐服用且胃酸不足者吸收差;柠檬酸钙含钙量低(21%)但空腹可吸收、适合胃酸少的老年人和服用抑酸药者91% similarUnverified钙源类型影响吸收:柠檬酸钙不依赖胃酸,可空腹服用,适合胃酸偏低者及服用抑酸药人群;碳酸钙需随餐服用(依赖胃酸),单价低、钙密度高但易引起胀气便秘90% similarUnverified补钙与吸收率是权衡:碳酸钙含钙量高(约40%)性价比好但需胃酸且易胀气便秘,柠檬酸钙含钙量低(约21%)需多吃颗数但温和好吸收89% similar
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