Does Coffee Inhibit Iron Absorption? What Are the Effects of Having Too Much Iron?
Channel: NutritionFacts.org
Date: 2023-03-08

There are negative effects of having too much iron. Coffee and common herbal teas impair iron absorption, which may help explain some of their benefits.

For background on iron regulation, see my video Risk Associated with Iron Supplements (https://nutritionfacts.org/video/risk-associated-with-iron-supplements/). 

What about the different types of iron found in food? Check out The Safety of Heme vs. Non-Heme Iron (https://nutritionfacts.org/video/the-safety-of-heme-vs-non-heme-iron/). I also talked about this in my series on plant-based meats. The information on iron starts with What About the Heme in Impossible Burgers? (https://nutritionfacts.org/video/what-about-the-heme-in-impossible-burgers/).

For those surprised to hear about coffee’s benefits, see, for example:
• Coffee and Cancer (https://nutritionfacts.org/video/coffee-and-cancer/)
• Preventing Liver Cancer with Coffee? (https://nutritionfacts.org/video/preventing-liver-cancer-with-coffee/)
• Coffee and Artery Function (https://nutritionfacts.org/video/coffee-and-artery-function/)
• Coffee and Mortality (https://nutritionfacts.org/video/coffee-and-mortality/)

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Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

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