St. Michael public schools spend $10,360 per student. The average school expenditure in the U.S. is $12,383. There are about 18.1 students per teacher in St. Michael.
The recommended dietary allowances (RDAs) of vitamin B12 are: Infants 0-6 months, 0.4 mcg; infants 7-12 months, 0.5 mcg; children 1-3 years, 0.9 mcg; children 4-8 years, 1.2 mcg; children 9-13 years, 1.8 mcg; older children and adults, 2.4 mcg; pregnant women, 2.6 mcg; and breast-feeding women, 2.8 mcg.
Share. Vitamin B12, also known as cyanocobalamin, is an essential nutrient in the family complex of the eight B vitamins. Food is the primary source for this nutrient, with supplements being the secondary source for some people. Vitamin B12 is structurally the largest and most complex of all the vitamins known to man.uman requirements for vitamin B12 as set by the Daily Recommended Intake (DRI) are 2-3 micrograms/mcg per day to upwards of 4-7 micrograms/mcg per day. Naturally-occurring sources of Vitamin B12 are found primarily in foods of animal origin and among fortified foods of vegetarian/vegan origin.