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. 2020 Mar 11;15(3):e0229439. doi: 10.1371/journal.pone.0229439

Table 1. Nutritional constraints imposed in the models.

Component	Constraint
Energy (kcal)	= EER^a
Proteins	10% - 35% kcal^a
Carbohydrates	45% - 65% kcal^a
Total fats	20% - 35% kcal^a
Saturated fat	<10% kcal^b
Trans fat	< 1% kcal^b
Added sugar	<10% kcal^b
Total fiber	≥ 30g^c
Sodium/kcal	≤ observed ratio^d
Calcium	≥ 868mg^c
Magnesium	≥ 303mg^c
Phosphorus	≥ 649mg^c
Iron	≥ 6.8mg^c
Copper	≥ 0.7mg^c
Zinc	≥ 8mg^c
Vitamin A	≥ 560mg RAE^c^,^e
Vitamin B1	≥ 0.9mg^c
Vitamin B2	≥ 1mg^c
Vitamin B6	≥ 1.1mg^c
Vitamin B12	≥ 2mcg^c
Vitamin C	≥ 66.1mg^c
Niacin	≥ 11.5mg^c
Folate	≥ 322mcg DFE^c^,^f

^a Estimated Energy Requirement [23].

^b World Health Organization [24].

^c Derived from the Estimated Average Requirement [1].

^d Ratio sodium/kcal observed in each GES.

^e Retinol Activity Equivalents.

^f Dietary Folate Equivalents.