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Molybdenum AI Summary, Ages 0 through 12 Months

AI for Infants

0–6 months

2 μg/day of molybdenum

0.3 μg/kg/day

7–12 months

3 μg/day of molybdenum

0.3 μg/kg/day

Special Considerations

Cow milk contains considerably more molybdenum (50 μg/L) than human milk, as does soymilk (Tsongas et al., 1980). Data on the bioavailability of molybdenum in cow milk and infant formulas are not available.

Children and Adolescents Ages 1 through 18 Years

Evidence Considered in Estimating the Average Requirement

No data are available on which to base an Estimated Average Requirement (EAR) for children or adolescents. EARs for these groups were extrapolated from adult EARs by the method described in Chapter 2. Although there are no studies available to indicate that the molybdenum requirement is associated with energy expenditure, metabolic weight (kg0.75) was used for extrapolating because of the functional role of molybdenum in a select number of enzymes, and because using metabolic weight yields an EAR that is higher than when total body weight is used.

Molybdenum EAR and RDA Summary, Ages 1 through 18 years

EAR for Children

1–3 years

13 μg/day of molybdenum

4–8 years

17 μg/day of molybdenum

EAR for Boys

9–13 years

26 μg/day of molybdenum

14–18 years

33 μg/day of molybdenum

EAR for Girls

9–13 years

26 μg/day of molybdenum

14–18 years

33 μg/day of molybdenum

The Recommended Dietary Allowance (RDA) for molybdenum is set by using a coefficient of variation (CV) of 15 percent (see “Adults Ages 19 Years and Older”).

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