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August 12, 2025 12 mins
Discover all of the podcasts in our network, search for specific episodes, get the Optimal Living Daily workbook, and learn more at: OLDPodcast.com. Episode 3081: Mary Jane Brown explores how your coffee habit might quietly sabotage iron absorption, particularly from plant-based sources. Discover the science behind caffeine’s impact and learn how adjusting when you drink your favorite brew could make a significant difference in maintaining healthy iron levels. Read along with the original article(s) here: https://www.healthline.com/nutrition/coffee-caffeine-iron-absorption Quotes to ponder: "Drinking coffee or other caffeinated beverages with meals can significantly reduce iron absorption." "One study found that a cup of coffee reduced iron absorption from a hamburger meal by 39%." "The reduction in iron absorption appears to depend on the amount of coffee or tea consumed and when it is consumed." Episode references: Iron Disorders Institute: https://irondisorders.org/iron-deficiency-anemia/ National Institutes of Health - Iron Fact Sheet for Health Professionals: https://ods.od.nih.gov/factsheets/Iron-HealthProfessional/ The American Journal of Clinical Nutrition - Iron absorption in humans: https://academic.oup.com/ajcn/article/30/7/937/4650424 Mayo Clinic - Iron deficiency anemia: https://www.mayoclinic.org/diseases-conditions/iron-deficiency-anemia/symptoms-causes/syc-20355034 Learn more about your ad choices. Visit megaphone.fm/adchoices
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