124 APPENDIX
Females During
Units
Age (Years)
Pregnancy
per day
Nutrient 15-18 19+
Calcium
mg
800
700
Magnesium
mg
300
270
Potassium
mg
3500
3500
Iron
mg
14.8
14.8
Zinc
mg
7.0
7.0
Copper
mg
1.0
1.2
Phosphorus
mg
625
550
Sodium
mg
1600
1600
Iodine
mcg
140
140
Selenium
mcg 60
60
Vitamin A (RE)
mcg
700
700
Thiamin (B1)
mg
0.9
0.9
Riboflavin (B2)
mg
1.4
1.4
Niacin (B3)
mcg
14
13
Vitamin B6
mg
1.2
1.2
Vitamin B12
mcg
1.5
1.5
(cobalamin)
Folate
mcg
300
300
Vitamin C
mg
50
50
Vitamin D
mcg
10
10
NB. No increase in mineral RNI during pregnancy
VITAMIN AND MINERALS
UK Reference Nutrient Intake (RNI) Tables