Unverified85% confidenceDecision RuleTime unknown
钙铁锌不建议长期同服，钙和铁、锌在肠道存在竞争性吸收，三者同补会降低铁和锌的吸收率，优先选择单一成分分时段补充
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
Unverified钙、铁、锌应分开时段服用而非合在一片，三者存在肠道吸收竞争，钙会抑制铁和锌吸收；含钙铁锌三合一的复合片实际吸收效率打折扣95% similarUnverified钙铁锌三者不建议长期同一时段补充，钙与铁、锌存在竞争性吸收，钙剂量过高（单次＞300mg元素钙）会显著抑制铁和锌的吸收率，若三种都缺应分时段或分产品补充93% similarUnverified锌与钙、铁、镁存在吸收竞争，含高剂量钙/铁的复合配方会降低锌吸收率，若同时补钙铁建议错开时间或选择单一锌硒产品分服92% similarUnverified锌与铁、钙同服会相互竞争吸收，若产品复配大量钙铁，锌的实际吸收率下降；单独补锌者建议选不含高钙铁的配方，分开时段服用92% similarUnverified钙铁锌不宜同片同服：钙与铁竞争吸收，钙与锌相互抑制，含高钙（≥500mg）的综合片中铁锌吸收率大幅下降，需分时段补充的更应选单一或分装配方92% similar
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