They also consumed more calcium, iron, folate, fiber, and vitamins C, E, B6, and B12.

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The Maya nut has high levels of nutrients including protein, calcium, fiber, iron and vitamins A, E, C and B.

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To come up with his index, Drewnowski ranked foods based on their concentrations of nine essential nutrients (protein, fiber, calcium, iron, magnesium, potassium, vitamins A, C, E).

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