I. On the relation between diet and urinary output of thiosulphate (and ascorbic acid). II. Human requirements for vitamin C

Abstract

PART I. FOR several vitamins the quantity necessary to maintain health depends on the composition of the diet. Rats, for instance, need more vitamin D while on a diet with little phosphorus and with abundant calcium than with P and Ca offered in equal doses. It is known also that man requires more vitamin B1 the greater the carbohydrate content of the food.