Does Coffee Inhibit Iron Absorption? What Are the Effects of Having Too Much Iron?

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 (nutritionfacts.org/video/risk-associated-with-iron…. What about the different types of iron found in food? Check out The Safety of Heme vs. Non-Heme Iron (nutritionfacts.org/video/the-safety-of-heme-vs-non…. 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? (nutritionfacts.org/video/what-about-the-heme-in-im…. For those surprised to hear about coffee’s benefits, see, for example: • Coffee and Cancer (nutritionfacts.org/video/coffee-and-cancer/) • Preventing Liver Cancer with Coffee? (nutritionfacts.org/video/preventing-liver-cancer-w…) • Coffee and Artery Function (nutritionfacts.org/video/coffee-and-artery-functio…) • Coffee and Mortality (nutritionfacts.org/video/coffee-and-mortality/) New subscribers to our e-newsletter always receive a free gift. Get yours here: nutritionfacts.org/subscribe/. Have a question about this video? Leave it in the comment section at nutritionfacts.org/video/does-coffee-inhibit-iron-… and someone on the NutritionFacts.org team will try to answer it. Want to get a list of links to all the scientific sources used in this video? Click on Sources Cited at nutritionfacts.org/video/does-coffee-inhibit-iron-…. You’ll also find a transcript and acknowledgements for the video, my blog and speaking tour schedule, and an easy way to search (by translated language even) through our videos spanning more than 2,000 health topics. Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution! -Michael Greger, MD FACLM Captions for this video are available in several languages; you can find yours in the video settings. View important information about our translated resources: nutritionfacts.org/translations-info/ NutritionFacts.org/ • Subscribe: nutritionfacts.org/subscribe • Donate: nutritionfacts.org/donate • Podcast : nutritionfacts.org/audio • Facebook: www.facebook.com/NutritionFacts.org • Twitter: www.twitter.com/nutrition_facts • Instagram: www.instagram.com/nutrition_facts_org • Books: nutritionfacts.org/books • Shop: drgreger.org/

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