まとめ
アルミニウム水酸化物やマグネシウム水酸化物を含む抗酸剤のような特定の抗酸剤は,鉄の吸収を著しく抑制しない. しかし,二酸化炭酸ナトリウムと炭酸カルシウムは,マルチビタミンのビタミンCと併用しない限り,鉄の吸収を低下させる可能性があります.
科学分野:
- バイオケミストリー バイオケミストリー
- 薬理学 薬理学とは
- クリニカル・ニュートリション
背景:
- 鉄欠乏性貧血は,世界的な健康問題である.
- 鉄のサプリメントと抗酸剤の併用は一般的だが,有効性については論争の的だ.
- 既存の文献は,抗酸性薬による鉄吸収の潜在的阻害を示唆しています.
研究 の 目的:
- 鉄の吸収に対する一般的な抗酸剤の影響を調査する.
- 特定の抗酸剤の配合が鉄の生物利用性に影響するかどうかを判断する.
- 鉄と抗酸剤の併用に関する根拠に基づいたガイドラインを提供すること.
主な方法:
- 小量の鉄耐性検査を用いた.
- 鉄の吸収は,様々な抗酸性薬の投与と投与を比較した.
- 吸収率を評価するために,血鉄濃度が測定されました.
主要な成果:
- アルミニウム水酸化物とマグネシウム水酸化物を含んだ液体抗酸剤は,鉄吸収の有意な減少を示さなかった.
- 炭酸塩酸ナトリウムと炭酸カルシウムは,血鉄の増加をそれぞれ50%と67%大幅に低下させた.
- マルチビタミンの錠剤に含まれるカルシウム炭酸は,鉄の吸収を阻害しなかったが,これはおそらくアスコルビン酸の存在によるものである.
結論:
- すべての抗酸剤が鉄の吸収を阻害するわけではありません.
- 製剤と他の成分 (例えば,ビタミンC) の存在は,抑制効果を軽減することができます.
- 特定の抗酸剤は,効果を損なうことなく,鉄療法と安全に併用することができます.
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