Many require that the people sitting on a diet, drink at least four liters of water daily. Generic version of a three-day diet meal plan: Day 1 Breakfast: black tea or coffee, 1 / 2 grapefruit, 1 piece of toast with 1 tablespoon oil. A leading source for info: Secretary of Agriculture. Some versions offer 1 / 3 grapefruit, some call for artificial sweeteners to be added to coffee, some allow grapefruit juice be a substitute for grapefruit. Lunch: tuna? cup, 1 toast, black coffee or tea. Dinner: lean meat 200 grams, 1 cup green peas, 1 carrot, 1 apple, a portion of vanilla ice cream. Carrots can be replaced by beet Depending on taste preferences. Day 2 Breakfast: 1 egg, 1 toast, 1 / 2 banana, black coffee or tea.
Lunch: cottage cheese, and six crackers. Dinner: Two hot dogs, 100 grams broccoli, 1 / 2 carrots, 1 / 2 banana, 1 serving of vanilla ice cream. Day 3 Breakfast: one apple, cheddar cheese, five crackers, black tea or coffee. Lunch: one hard boiled egg, one toast. Dinner: 200 grams of fish, 1 carrot, 200 grams of cauliflower, a piece of melon, and 1 serving of vanilla ice cream. There are other versions of the three-day diet, with some of even more alternatives for the person sitting on the diet, including orange instead of a grapefruit, cottage cheese instead of fish, and vice versa, and various plant replacement. Most versions allow people sitting on diet to use lemon, salt and pepper, mustard, vinegar, herbs, soy sauce, ketchup, Worcestershire sauce, and others, to add spice to the food during a diet, but nothing containing fat such as butter, mayonnaise.