Dietary standards in senior living communities generally require a balanced intake of nutritious food that is suitable for digestion and absorption by the elderly at each meal. Taking Guoshou Jiayuan as an example, it provides the elderly with three meals per day, which are rich in variety, with congee, pasta, soups, meats, vegetables, and fruits, etc., and a balanced mix of various nutrients at each meal to ensure that the elderly consume enough nutrients to meet the nutritional needs of the elderly.