... Nutrition and 1-4 year oldsFolateB vitamins: thiamin, riboflavin and niacinWhy children need the B vitamins thiamin,riboflavin and niacinB vitamins are particularly important for the brain and ... vitamins (thiamin, riboflavin,niacin, vitamin B6, vitamin B12, folate and vitaminC) are not stored in the body and, because theyare water-soluble, they can leach out intocooking water and ... sardines); and eggs. Milk and milk products provide about 50% of the dailyriboflavin intakes for children aged 11/2-41/2 in Britain.2 For more information on sources of thiamin,riboflavin...