The Synergism between Vitamins A and

Martin, and Rajogopal (94) first noticed that the vitamin A roiscives of the livem of rats which had been kept on a diet deficient in itarnin JC, but high in vitamin A (ca. 150 I.U. daily) were much lower than the reserves of. similar animals wliich had received the same allowance of itamin A togetlier with supplements of wheat-genn oil concentrate. In some experiments the differences were as much as tenfold. Moore (95) subsequently ob.servcd the same effect when synthetic a-tocopherol was 

The Effect of Vitamin E on the Growth Responses of Animals given Small Doses of Carotene or Vitamin A 

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