Lessons written to help trainer agents prepare aides for work with families in the Food and Nutrition Program are presented in this booklet. The key nutrients discussed in the 10 lessons are protein, carbohydrates, fat, calcium, iron, iodine, and Vitamins A, B, C, and D. the format of each lesson is as follows: Purpose, Presentation, Application of Lesson by Aides, References for Trainer Agent, Visuals and Equipment, and References for Aides. The references and visuals for trainer agents are compiled with publisher and cost information. The information given in these lessons may also be used in other ways, such as in training volunteer leaders, in newsletters, or in newspaper articles. (DB)