Table 1. 2020 KDRIs for Mg, Zn, and Cu.

Subject	Age	Mg (mg/d)				Zinc (mg/d)				Copper (ug/d)
		EAR	RNI	AI	UL1)	EAR	RNI	AI	UL	EAR	RNI	AI	UL
Infants	0–5 mon			25				2				240
	6–11 mon			55		2	3					330
Children	1–2 yrs	60	70		60	2	3		6	220	290		1,700
	3–5 yrs	90	110		90	3	4		9	270	350		2,600
Males	6–8 yrs	130	150		130	5	5		13	360	470		3,700
	9–11 yrs	190	220		190	7	8		19	470	600		5,500
	12–14 yrs	260	320		270	7	8		27	600	800		7,500
	15–18 yrs	340	410		350	8	10		33	700	900		9,500
	19–29 yrs	300	360		350	9	10		35	650	850		10,000
	30–49 yrs	310	370		350	8	10		35	650	850		10,000
	50–64 yrs	310	370		350	8	10		35	650	850		10,000
	65–74 yrs	310	370		350	8	9		35	600	800		10,000
	≥ 75 yrs	310	370		350	7	9		35	600	800		10,000
Females	6–8 yrs	130	150		130	4	5		13	310	400		3,700
	9–11 yrs	180	220		190	7	8		19	420	550		5,500
	12–14 yrs	240	290		270	6	8		27	500	650		7,500
	15–18 yrs	290	340		350	7	9		33	550	700		9,500
	19–29 yrs	230	280		350	7	8		35	500	650		10,000
	30–49 yrs	240	280		350	7	8		35	500	650		10,000
	50–64 yrs	240	280		350	6	8		35	500	650		10,000
	65–74 yrs	240	280		350	6	7		35	460	600		10,000
	≥ 75 yrs	240	280		350	6	7		35	460	600		10,000
Pregnancy		+30	+40		350	+2.0	+2.5		35	+100	+130		10,000
Lactation		+0	+0		350	+4.0	+5.0		35	+370	+480		10,000

KDRIs, Dietary Reference Intakes for Koreans; Mg, magnesium; Zn, zinc; Cu, copper; EAR, Estimated Average Requirement; RNI, Recommended Nutrient Intake; AI, Adequate Intake; UL, Tolerable Upper Intake Level.

¹⁾Only for non-food magnesium sources.