How Much Iron Can Ferritin Store? Unpacking the Body's Iron Reservoir
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4 min read
A single ferritin protein molecule can store a staggering number of iron atoms, holding up to 4,500 iron ions within its hollow shell. This remarkable capacity is key to understanding exactly how much iron can ferritin store, as it serves as the body's primary intracellular iron buffer to prevent both deficiency and toxic overload.
