Unverified85% confidenceDecision RuleTime unknown
钙铁锌复合咀嚼片存在营养素竞争吸收问题:钙与铁、锌在肠道竞争同一转运通道,三者同片同服时铁、锌吸收率会显著下降,建议单片钙含量控制在≤200mg元素钙以减少干扰,或选择分时段服用的分装产品
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85%
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Long-term
Relevance
-
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Unverified钙、铁、锌在肠道存在吸收竞争,钙:锌摩尔比超过10:1时会显著抑制锌吸收,优先选择钙锌分时段服用或钙含量占比适中(每份钙≤200mg同时含锌)的配方92% similarUnverified钙、铁、锌三者存在肠道吸收竞争,若单片同时含高剂量钙(≥500mg)和铁(≥14mg),实际吸收率均下降,建议选择分时段服用的粉包/分片设计,或钙、铁分开补充91% similarUnverified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91% 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90% similarUnverified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89% similar
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