"A weight gain diet is designed to add mass and is often followed by those who are underweightor by gymgoers looking to add muscle. When designed properly, with extra calories coming from nutritious sources, experts agree this diet is useful for populations who need it." -Chrissy Carroll, RD, MPH Just taking more calories a day than you're actually eating. Carbohydrates are the body's preferred source of nutrition, and you need to give your body the nutrition it needs to accomplish your everyday activities, plus some extra calories. Increase your carbohydrate intake with whole grain bread and cereals, fruit and vegetables, and your total calorie consumption with extra protein and good fats.
This app features includes:
-Overview about the Weight Gain Diet
-7 Day Meal Plan Menu Guideline
-Bmi Calculator and Bmi Info
-Notes
-App info (Privacy policy and Disclaimer)

Finally, wishing you a goodluck!