1. Skim milk powder is a kind of food with high protein and low fat, which is suitable for dieters, middle-aged and elderly people and patients with cardiovascular diseases. Full-fat milk powder is generally made of pure milk and is rich in nutrients such as calcium and fat. Drinking whole milk powder for the elderly is not conducive to the body's nutrient absorption.

2. Skim milk powder contains less sugar, while whole milk powder contains more sugar and is sweeter. Eating it by middle-aged and elderly people will increase the risk of diabetes.