For those looking to gain weight in a healthy way, it’s essential to focus on nutrient-dense meals rather than empty calories. Healthy weight gain requires a diet rich in healthy fats, proteins, and carbohydrates, along with strength training exercises. Dt. Bhavika Aggarwal suggests consuming calorie-rich yet nutritious foods such as nuts, dairy products, lean meats, and whole grains to promote healthy muscle and weight gain without excess fat accumulation.