Why is iron absorption limited when consumed from Butterhead lettuce sources?
Answer
The iron present is non-heme iron, which is less readily absorbed
Butterhead lettuce contributes trace amounts of minerals, including iron, to the diet. However, a crucial distinction must be made regarding the type of iron present. The iron found in plant sources, such as leafy greens, is classified as non-heme iron. Non-heme iron is inherently less readily absorbed by the human body compared to the heme iron typically found in animal sources, such as meat. While the presence of iron is noted, individuals aiming to significantly boost their iron stores should be aware of this reduced bioavailability when relying on plant-based sources alone.
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