Complex carbohydrates are commonly found in vegetables, whole-meal bread and cereals. Examples. of foods that contain complex carbohydrates include spinach, yams, broccoli, beans, zucchini, lentils, skimmed milk, whole grains and many other leguminous plants and vegetables.
1 Different types of Optifast products are provided to the patients that vary in costs. 2  On average, Optifast costs about $3 to $4.50 per meal. 3  Depending on the program, plan on spending about $800 to more than $1,000 per month. 4  These fees will include the meals, weekly visits and medical exams.
A medically prescribed liquid diet, on the other hand, is typically used for people who need to lose weight before bariatric surgery or have health concerns, such as diabetes and high blood pressure. Duke's nine-week OPTIFAST program costs $2,200, and the 18-week program costs $3,950.