Energy intake should be increase by 30kcal/kg (for every 1kg of your weight) and increase 5 to 10 kcal/kg in every 3 to 5 days until the point that you are taking additionally 70 to 100 kcal/kg of by,:

Taking

- More lean meat
- More egg white

Engaging

- Daily mild to moderate physical activity for at least 30 minutes

Once the goal weight ( BMI between 18.0kg to 22.9kg ) is achieved, additional 30 kcal/kg of recommanded energy intake is needed to maintain a stable weight for a year