iron and caffiene
It inhibits its absorption. "Polyphenols, natural compounds found in herbs and plants, majorly inhibit iron absorption in the body. Tea leaves, coffee leaves and cocoa beans are significant polyphenol-containing products that also contain caffeine."
Read more: http://www.livestrong.com/article/427404-caffeines-effect-on -iron-absorption/#ixzz2M1duL0Xu
BTW caffeine also affects calcium absorption.
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If you don't have peace, it isn't because someone took it from you; you gave it away. You cannot always control what happens to you, but you can control what happens in you John C Maxwell 
Sleeve 2010 Dr López Corvala, Mexico. DS 2012 Dr Himpens, Belgium
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