To Get An HCG Diet Calorie Breakdown Of All The Foods On The HCG Diet Plan, Check Out The Chart Below. The original HCG 500 Calorie Diet is no doubt very specific. It consists of lunch and dinner, but no breakfast. You are allowed to have each of the following categories per meal... 100 Grams of Protein 100 Grams of Vegetables 1 Grissini Breadstick or Melba Toast 1 Fruit In addition, Dr. Simeons HCG Weight Loss Protocol instructs you to drink 1/2 to 1 whole gallon of water per day. You can also drink as much coffee and tea that you want - But you can only have 1 tablespoonful of milk in a 24 hour period. Here is a very detailed calorie count for all of the foods allowed on the HCG 500 Calorie Diet ... HCG Diet Food Calorie Count Fish: Cod (100 grams) – 83 calories Crab Meat (100 grams) – 100 calories Flounder (100 grams) – 90 calories Haddock (100 grams) – 88 calories Halibut (100 grams) – 110 calories Lobster (100 grams) – 98 calories Red ...