Popeye ate spinach, thinking it contained plenty of iron to make him strong. However, oxalates in spinach reduce the bioavailability of iron. A Swedish study has found that spinach also contains nitrates which boost the production of 2 key proteins in muscles involved with calcium and muscle contractions, making them stronger and more efficient. Although the study was done in mice, Popeye seems to have had the right idea.
Popeye, the popular cartoon character, got it all wrong about spinach. He ate mounds of spinach, thinking it contained plenty of iron to make him strong. But it turns out that spinach isn’t the best source of iron. Scientists in the 1890’s made a mistake while calculating the nutritional value of various vegetables and put […]