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. 2021 May 20;13(5):1734. doi: 10.3390/nu13051734

Table 2.

Nutrients, micronutrients, and food groups used in nutrient profiling (NP) models.

NRF * Model Macronutrients Vitamins Minerals Food Groups LIM
NRF9.3 Protein, fiber A, C, D Ca, Fe, K, Mg -- Saturated fat, added sugar, sodium
NRF8.3 Protein, fiber A, C, D Ca, Fe, K -- Saturated fat, added sugar, sodium
NRF6.3 Protein, fiber D Ca, Fe, K -- Saturated fat, added sugar, sodium
NRF4.3 Protein, fiber,
MUFA + PUFA
K -- Saturated fat, added sugar, sodium
NRFh 4:3:3 Protein, fiber,
MUFA + PUFA
K Fruit, whole grain, dairy Saturated fat, added sugar, sodium

* NRF = nutrient-rich food score; Ca calcium, Fe iron, K potassium, Mg magnesium, MUFA mono-unsaturated fatty acids, PUFA poly-unsaturated fatty acids.