Vitamin K

There are few recommendations for vitamin K since the major source of the vitamin is gastrointestinal

Table 11 Recommendations for fat-soluble vitamins

Nutrient

Age

UK RNI

Europe PRI

USA RDA

FAO/WHO RDI

Vitamin A (mg retinol equivalent/day)

0-6 months

350

350

6-12 months

350

350

1-3 years

400

300

400

4-6 years

400

400

450

7-10 years

500

400-600

500

11-14 years

M

600

600

600

F

600

600

600

15-18 years

M

700

900

600

F

600

700

600

Vitamin D (mg/day)

0-6 months

10-25

5a

5

6-12 months

10

5

5

1-3 years

10

5

5

4-6 years

0-10

5

5

7-10 years

1-10

5

5

11-14 years

M

0-15

5

5

F

0-15

5

5

15-18 years

M

0-15

5

5

F

0-15

5

5

Vitamin E (mg/day)

0-6 months

0.4 PUFAc

0.4 PUFA

6

6-12 months

0.4 PUFA

0.4 PUFA

6

1-3 years

0.4 PUFA

6

4-6 years

7

7-10 years

7-11

11-14 years

M

>4

>4

11

F

>3

>3

11

15-18 years

M

>4

>4

15

F

>3

>3

15

aUSA Adequate Intake (not RDA). bFAO/WHO Recommended Safe Intake. cUK Safe Intake. F, female; M, male.

bacteria. Infants are born with a limited ability to synthesize vitamin K from this source, and hemor-rhagic disease of the newborn, due to vitamin K deficiency, has a prevalence of 1 in 200-400 live births in Western countries. A single intravenous or intramuscular injection of vitamin K or an oral dose is usually offered to all neonates in many countries.

See also: Amino Acids: Chemistry and Classification. Breast Feeding. Calcium. Carbohydrates: Requirements and Dietary Importance. Children: Nutritional Problems. Copper. Dietary Fiber: Physiological Effects and Effects on Absorption. Infants: Nutritional Requirements. Iodine: Physiology, Dietary Sources and Requirements. Iron. Magnesium. Phosphorus. Potassium. Protein: Requirements and Role in Diet. Sodium: Physiology. United Nations Children's Fund. Vitamin A: Biochemistry and Physiological Role; Deficiency and Interventions.

Vitamin B6. Vitamin D: Rickets and Osteomalacia. Vitamin E: Metabolism and Requirements; Physiology and Health Effects. Vitamin K.

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