Table 1.

Nutritional reference intake of minerals for the adult population. Based on [55,56].

Nutrient	Gender and Age	Nutritional Reference Intake (NRI)
Na	♂/♀	1500	mg/day
K	♂/♀	3500	mg/day
Mg	♂	350	mg/day
	♀	300	mg/day
Ca	♂/♀	950	mg/day
Mo	♂/♀	65	μg/day
Mn	♂/♀	3	mg/day
Cu	♂	1.3	mg/day
	♀	1.1	mg/day
Fe	♂	9.1	mg/day
	♀ 20–59 years	18	mg/day
	♀ ≥ 60 years	9	mg/day
Zn	♂	11	mg/day
	♀	8	mg/day
Cr	♂	35	µg/day
	♀	25	µg/day

NRI: the amount of nutrients required for proper functioning of the body in a given population [55,56].