... a pigment that allows you to see in dim light Recommended Dietary UsageInfants (AI) - (0-6 months) - Male 400 (1,333 ... IU), Female 400 (1,333 IU) Infants (AI) - (7-12 months) - ... - (4-8 years) - Male 400 (1,333 IU), Female 400 (1,333 IU) Children - (9-13 years) - Male ... - (19 years and older) - 1,300 (4,333 IU) Vitamin DAdequate intake levels of vitamin D have been ...