Unverified85% confidenceDecision RuleTime unknown
钙锌配比应控制在2:1至3:1之间,锌过多会竞争性抑制钙吸收,长期高锌配方(钙锌1:1)反而不利于钙的利用
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified锌与钙存在吸收竞争,复合产品中锌含量控制在8-15mg较合理,锌过量(超40mg/日)反而抑制铜吸收并降低钙镁利用89% 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87% similarUnverified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86% 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86% similarUnverified钙与镁需要竞争同一吸收通道,高剂量钙会抑制锌与铁的吸收;含锌营养包若锌超过15mg且长期服用,需警惕铜缺乏,理想配方应含铜或控制锌剂量86% similar
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