The challenge for the elderly is to meet the same nutrient needs as when they were younger, yet consume fewer calories. The answer to this problem is to choose foods high in nutrients in relation to their calories. For example, low-fat milk is more nutrient dense than regular milk. Its nutrient content is the same, but it has fewer calories because it has less fat. Protein needs usually do not change for the elderly, although research studies are not definitive.
Protein requirements can vary because of chronic disease.
Balancing needs and restrictions is a challenge, particularly in health care facilities. Protein absorption may decrease as we age, and our bodies may make less protein. However, this does not mean protein intake should be routinely increased, because of the general decline in kidney function. Excess protein could unnecessarily stress kidneys. Reducing the overall fat content in the diet is reasonable.