Recommended Daily Intake (RDI)
The RDI is a figure defined by the National Health and Medical Research Council (NH&MRC) in Australia as:
"the level of intake of essential nutrients considered adequate to meet the needs of practically all healthy people"
Table 1: Recommended dietary intakes for adults
MENWOMEN
19-64 yrs
64 yrs
19-54 yrs
54+ yrs
Pregnant
Lactating Vitamin A
750
750
750
750
+0
+450 mcg retinol equivalents
Thiamin (mg)
1.1
0.9
0.8
0.7
+0.2
-0.4 Riboflavin (mg)
1.7
1.3
1.2
1.0
+0.3
-0.5 Niacin (mg)
niacin equivalents
19
16
13
11
+2
-5 Vitamin B6 (mg)
1.3-1.9
1.0-1.5
0.9-1.4
0.8-1.1
+0.1
+0.7-0.8 Total Folate (mcg)
200
200
200
200
+200
-150 Vitamin B12 (mcg)
2.0
2.0
2.0
2.0
+1.0
+0.5 Vitamin C (mg)
40
40
30
30
+30
+45 Vitamin E (mg)
alpha tocopheral equivalents
10.0
10.0
7.0
7.0
+0
+2.5 Zinc (mg)
12
12
12
12
+4
+6 Iron (mg)
7
7
12-16
5-7
+10-20
+0 Iodine (mcg)
150
150
120
120
+30
+50 Magnesium (mg)
320
320
270
270
+30
+70 Calcium (mg)
800
800
800
1000
+300
+400 Phosphorous (mg)
1,000
1,000
1,000
1,000
+200
+200 Selenium (mcg)
85
85
70
70
+10
+15 Sodium (mmol)
40-100
40-100
40-100
40-100
+0
+0 Sodium (mg)
920-2,300
920-2,300
920-2,300
920-2,300
+0
+0 Potassium (mmol)
50-140
50-140
50-140
50-140
+0
+0 Potassium (mg)
1,950-5,460
1,950-5,460
1,950-5,460
1,950-5,460
+0
+0 Protein (g)
55
55
45
45
+6
+16
*Expressed as mean daily intake
Table 2: Recommended dietary intakes for children over 7 years*
BOYSGIRLS
8-11 yrs
12-15 yrs
16-18 yrs
8-11 yrs
12-15 yrs
16-18 yrs Vitamin A
500
725
750
500
725
750(mcg retinol equivalents)
Thiamin (mg)
0.9
1.2
1.2
0.8
1.0
0.9 Riboflavin (mg)
1.4
1.8
1.9
1.3
1.6
1.4 Niacin (mg)
niacin equivalents
15
20
21
15
18
16 Vitamin B6 (mg)
1.1-1.6
1.4-2.1
1.5-2.2
1.0-1.5
1.2-1.8
1.1-1.6 Total Folate (mcg)
150
200
200
150
200
200 Vitamin B12 (mcg)
1.5
2.0
2.0
1.5
2.0
2.0 Vitamin C (mg)
30
30
40
30
30
30 Vitamin E (mg alpha
tocopheral equivalents)
8.0
10.5
11.0
8.0
9.0
8.0 Zinc (mg)
9
12
12
9
12
12 Iron (mg)
6-8
10-13
10-13
6-8
10-13
10-13 Iodine (mcg)
120
150
150
120
120
120 Magnesium (mg)
180
260
320
160
240
270 Calcium (mg)
800
1,200
1,000
900
1,000
800 Phosphorous (mg)
800
1,200
1,100
800
1,200
1,100 Selenium (mcg)
50
85
85
50
70
70 Sodium (mmol)
26-100
40-100
40-100
26-100
40-100
40-100 Sodium (mg)
600-2,300
920-2,300
920-2,300
600-2,300
920-2,300
920-2,300 Potassium (mmol)
50-140
50-140
50-140
50-140
50-140
50-140 Potassium (mg)
1,950-5,460
1,950-5,460
1,950-5,460
1,950-5,460
1,950-5,460
1,950-5,460 Protein (g)
27-38
42-60
64-70
27-39
44-55
57
*Expressed as mean daily intake