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. 2023 Jan 25;12:e10. doi: 10.1017/jns.2022.119

Table 1.

Reference daily values and maximum recommended values for nutrients

Nutrients Standard
Protein (g) 50
Fibre (g) 25
Vitamin A (μg RE) 800
Vitamin B6 (mg) 1⋅3
Vitamin D (μg) 5
Folate (μg) 400
Calcium (mg) 1000
Zinc (mg) 14
Iron (mg) 22
Maximum recommended values
Saturated fat (g) 22
Added sugar (g) 50
Sodium (mg) 2000

g, grams; μg, micrograms; RE, retinol equivalents; mg, milligrams.

Reference values from the FAO Codex nutrient reference values(35).