In 1932, one of us (Summerfeldt1) reported that when a group of normal children were fed for ten weeks a special cereal mixture rich in vitamin B and various mineral elements in place of the commonly used cereals a marked increase in weight resulted. It was suggested that this increased gain in weight was due to the high vitamin B content of the cereal. In order to obtain further information as to the factor present in this cereal which brought about the increased gain in weight, and also to determine whether the increased gain in weight would be continued for a period longer than ten weeks, the present investigation was undertaken.
Children in a large orphanage were divided into three groups of from twenty to twenty-three children each, the groups containing about equal numbers of girls and boys of similar ages. The ages of the children on the
ROSS JR, SUMMERFELDT P. VALUE OF INCREASED SUPPLY OF VITAMIN B1 AND IRON IN THE DIET OF CHILDREN: PAPER II. Am J Dis Child. 1935;49(5):1185–1188. doi:10.1001/archpedi.1935.01970050083009
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