Unverified82% confidenceDecision RuleTime unknown
钙镁补充剂中钙镁比例控制在2:1或1:1较合理，柠檬酸钙比碳酸钙吸收更好且不依赖胃酸，胃酸不足或空腹服用应选柠檬酸钙
1
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82%
Confidence
Long-term
Relevance
-
First Seen
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Unverified钙镁补充剂优选柠檬酸钙(citrate)或甘氨酸镁而非碳酸钙/氧化镁，柠檬酸钙不依赖胃酸吸收、空腹可服，氧化镁吸收率仅约4%易腹泻90% similarUnverified钙形式选择的权衡：碳酸钙含钙量高更划算但需胃酸好、易便秘；乳钙/柠檬酸钙吸收好不刺激但单位含钙量低、需服用更多量87% similarUnverified碳酸钙含钙量高、单片剂量大更划算，但对胃刺激大易引起腹胀嗳气；柠檬酸钙温和易吸收但含钙量仅21%，需服用更多片数，二者需在经济性与耐受性间权衡87% similarUnverified采用柠檬酸钙与碳酸钙复合钙源，相比纯碳酸钙对胃酸分泌较少的老年人更友好，但单粒钙含量因此不高，需多粒才能达到有效剂量87% similar
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