Meal preparation or meal prep aids in maintaining a healthy diet by ensuring convenient access to nutritious foods. By planning and preparing meals in advance, individuals can avoid impulsive choices, which often lead to unhealthy eating. Meal prep facilitates portion control, allowing individuals to create balanced meals rich in proteins, carbohydrates, and healthy fats. It also encourages diversity in diet, helping to include a variety of nutrients. Furthermore, having meals ready reduces stress about what to eat, promoting adherence to healthier eating habits.