Grapefruit Diet Plan
a long history

The Grapefruit Diet plan has been in circulation apparently since the 1930’s and there are many variations.  Many believe it to be a fad diet, designed for rapid weight loss over a short period of time, 12 days on then a two day ‘rest’ then back for another 12.


The fundamental foundation of the diet is the addition of (yep you guessed it) grapefruit, either as whole fruit or juice and this must be consumed before every meal. The belief that there is a special fat burning enzyme in grapefruit is the apparent drive behind the diet however there appears to be little medical research to support this claim.

Eat your fill at each meal

Your meal plan will depend on the version of the diet you choose to follow, some become very involved with food combinations, particularly bacon and salad, while some variations of this diet are very calorie restrictive - down to 800 calories per day. Others contain no restrictions upon quantity and actually encourage eating your fill at each meal; some even specify that you must eat more high fat foods and simple carbohydrates.

There are a set of ‘rules’ in circulation at the moment that may clarify things a little but first of all it is important to note that Grapefruit is one of the few foods that can interact with certain medications so please consult with your doctor before starting any radical weight loss program, even if it is only intended for a few days.

Grapefruit may interact with certain medications
so seek professional advice


For examination’s sake the ‘traditional’ 12 Day Grapefruit Diet guidelines are:

  • At any meal you may eat until you are full – until you can’t eat any more.
  • Don’t eliminate anything from the diet, especially don’t skip bacon at breakfast or omit salads. It is the combination of these foods that burn fat.

The grapefruit is important because it acts as a catalyst that starts the burning process.

With the Grapefruit Diet plan, it is the combination 
of foods that is important

  • Cut down on caffeine.  It affects the insulin balance that hinders the burning process. Try to limit to 1 cup per meal at mealtime.
  • Don’t eat between meals.
  • Do not eat desserts, bread, and white vegetables or sweet potatoes.
  • You may double or triple helpings of meat, salad, or vegetables.
  • Eat until you are stuffed. The more you eat of the proper combination of food, the more you lose…apparently.

If you eat the combination of food suggested you will not be hungry. You can fry food in butter and use butter generously on vegetables.  Click here for a sample of a Grapefruit Diet menu.

It may also be the omission of foods that work here.

It is interesting to note that the Grapefruit diet plan completely eliminates sugar and simple carbohydrates and drinking 8 cups of water a day is also required. Like many fad diets it appears what is omitted from the diet is more important than what is actually included. If you remove sugars (including beverages), processed foods and simple (easily digested) carbohydrates from a diet anyone is bound to lose weight with or without a serving of tart citrus before every meal.

This act of eating a piece of fruit, especially one as intensely flavoured as grapefruit would also certainly be enough to make a person eat less. In terms of weight loss this diet may work for a time, however there are many healthier alternatives available.

If you liked our Grapefruit Diet plan page, please visit our homepage for more.




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