The Hidden Problem With Iron Fortification: When “More” Becomes Toxic
Nick Howarth Published on: 08/01/2026
Iron is essential for life. We need it for oxygen transport, energy production, and basic cellular function. But like many things in nutrition, more does not mean better. In fact, excess iron—especially the kind added artificially to modern foods—can quietly become toxic, particularly in a population already dealing with inflammation, insulin resistance, and chronic disease. And most people don’t even know they’re getting too much.
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