Table 7.
Comparison of reference values for fat soluble vitamins for infants and methods used to estimate requirements
Range between countries | Method on which estimated requirements is based | |||||
---|---|---|---|---|---|---|
3 m | 9 m | Younger infants | Older infants | |||
Method | Country | Method | Country | |||
Vitamin A | 350–500 mcg/d | 300–600 mcg/d | Usual intakes from breast milk | DACH, WHO/FAO, the Netherlands | Based on usual intakes from breast milk | DACH |
Intakes considered sufficient to build and maintain sufficient liver stores | United Kingdom | Extrapolated from adult requirements by using metabolic body weight and growth factors | NNR | |||
Considered sufficient to build and maintain sufficient liver stores | WHO/FAO, United Kingdom, EC | |||||
Vitamin D | 5–22.5 mcg/d | 5–22.5 mcg/d | Vitamin D intakes sufficient to maintain plasma 25‐OHD levels within a range considered to support adequate bone health | DACH, WHO/FAO, United Kingdom, the Netherlands | Vitamin D intakes sufficient to maintain plasma 25‐OHD levels within a range considered to support adequate bone health | DACH, WHO/FAO, United Kingdom, EC, the Netherlands |
Took into account additional intakes showing to have maximal effect in linear growth according to supplementation studies in infants | NNR | |||||
Vitamin E | 2.7–6 mg/d | 2.7–6 mg/d | Based on vitamin E content of breast milk | Derived from adult values on an energy allowance basis | France | |
Consider vitamin E intake in relation to PUFA intake |