What are the best ways to gain weight in healthy ways?

Balanced diet: Though some patients augment their intake with high-calorie drinks (ensure) and bars, a cheaper approach would be to eat more nutrient-rich foods that ones enjoys as part of his/her diet. Consulting with a nutritionist would determine if a diet is balanced. In the meantime, following healthy eating guidelines from the cdc would be helpful http://www.Cdc.Gov/healthyweight/healthy_eating/index.Html.