Meal planning is significant for healthy eating as it allows individuals to make more nutritional choices rather than resorting to impulse decisions about food. By planning meals ahead, one can ensure a balanced intake of nutrients, controlling portion sizes and minimizing waste. It encourages the incorporation of diverse foods, helping achieve necessary vitamins and minerals in daily diets. Additionally, meal planning can save time and money while contributing to consistency in healthy eating habits, making it easier to reach dietary goals.