Optifast is a substitute ideal food for weight control, safely and efficiently. Optifast covers the daily needs of proteins, carbohydrates, fats, minerals and vitamins. Food Hypocaloric, less than 235 calories per meal, high protein and fiber value, low in saturated fat, it contains all the vitamins and minerals needed, gluten-free, you will feel satiated to lose or maintain weight, replace one or two meals a day for 1 over several days a week. Optifast is recommended under the supervision of a health professional, especially when used as an exclusive diet for more than three weeks.