Heme iron, the type found predominantly in blood and muscle, is absorbed better than the non-heme iron that predominates in plants, but may increase the risk of cancer, stroke, heart disease, and metabolic syndrome.
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I’ve previously touched on the double-edged iron sword in Risk Associated With Iron Supplements (http://nutritionfacts.org/video/risk-associated-with-iron-supplements/) and Phytates for the Prevention of Cancer (http://nutritionfacts.org/video/phytates-for-the-prevention-of-cancer/). It may even help explain Why Was Heart Disease Rare in the Mediterranean? (http://nutritionfacts.org/video/why-was-heart-disease-rare-in-the-mediterranean/)
Those eating plant-based diets get more of most nutrients since whole plant foods are so nutrient dense. See Nutrient-Dense Approach to Weight Management (http://nutritionfacts.org/video/nutrient-dense-approach-to-weight-management/).
Have a question for Dr. Greger about this video? Leave it in the comment section at http://nutritionfacts.org/video/the-safety-of-heme-vs-non-heme-iron and he’ll try to answer it!
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