A weight gaining diet includes a good balance of carbohydrates, proteins and healthy fats. Gain weight with the right diet withtips from a nationally-certified personal trainer in this free video on weight loss. Expert: Jani Roberts Contact: www.janiwestroberts.com Bio: Jani Roberts is a graduate of the American Academy of Nutrition and owner of The Wellness Company of Dunedin. Roberts is a nationally certified personal trainer and group fitness instructor. Filmmaker: Christopher Rokosz