Disclosed are methods of transforming a meal to improve the suitability of the meal for an individual with specific dietary needs that may be due to a medical condition. The methods include assessing the meal relative to the individual's dietary needs and administering a composition to the meal that tailors the meal to the dietary needs of the individual. The composition comprises a nutrient for fortifying the meal and an anti-nutrient for reducing the absorption of undesirable components of the meal.