During the diet, your daily intake is limited to 500 calories. The majority of your calories should come from lean proteins, vegetables, fruits, and a small amount of carbohydrates.
Approved protein sources include:
Chicken breast
White fish (cod, halibut, tilapia)
Lean cuts of beef
Tofu
Legumes
The diet also emphasizes non-starchy vegetables such as spinach, cucumbers, lettuce, and asparagus. Typical fruits allowed include apples, strawberries, and oranges.