“…The dietary goal of any pediatric population is the achievement of normal growth and development. In cystic fibrosis the energy needs to achieve this goal are increased due to 1) malabsorption, 2) increased basal metabolism, 3) increased expenditure associated with respiration, 4) provision for catch-up growth, and 5) compensation for inadequate intakes when ill (4,17,26,27). Levels of dietary energy that have been proposed to meet this heightened need range from 150 to 200% of dietary recommendations (10,11,27).…”