TABLE 1.

Zinc DRI values by life-stage group¹

	EAR, mg/d		RDA, mg/d
Life-stage group	Males	Females	Males	Females	AI, mg/d	UL, mg/d
0–6 mo	—	—	—	—	2	4
7–12 mo	2.5	2.5	3	3	—	5
1–3 y	2.5	2.5	3	3	—	7
4–8 y	4.0	4.0	5	5	—	12
9–13 y	7.0	7.0	8	8	—	23
14–18 y	8.5	7.3	11	9	—	34
19–50 y	9.4	6.8	11	8	—	40
≥51 y	9.4	6.8	11	8	—	40
Pregnancy
14–18 y	—	10.5	—	12	—	34
19–50 y	—	9.5	—	11	—	40
Lactation
14–18 y	—	10.9	—	13	—	34
19–50 y	—	10.4	—	12	—	40

¹AI, Adequate Intake; EAR, Estimated Average Requirement; UL, Tolerable Upper Intake Level (unless otherwise specified, the UL represents the total intake from food, water, and supplements). Data are from reference 39.