Meal replacement is not enough. The reason is that the meal replacement food has insufficient calories and unbalanced nutrients.

1, insufficient calories in meal replacement food: some meal replacement foods are insufficient to meet the energy needs of the body in terms of calories, leading to persistent hunger.

2. The nutritional components of meal replacement foods are unbalanced: Some meal replacement foods lack certain nutritional components, such as protein and dietary fiber, which will make the body feel dissatisfied and lead to persistent hunger.