IT'S EASY AS A B C D This advertisement will appear in January Popular and Women's Weeklies and February Monthlies, 1943 Yes; we are talking of vitamins. They're so important to you and it's really very simple to learn all one needs to know of them. The Government planned from the beginning that the nation should not lack these vital food substances, so your rations provide most of your vitamin re- quirement. (Don't forget cod liver oil and fruit juices for Baby). But there's one vitamin that you have to look after for yourself, because it is mostly in unrationed food.