Mayo Clinic Grapefruit Diet: Review, Sample Menu, Side Effects?

Mayo Clinic Grapefruit Diet: Review, Sample Menu, Side Effects?
(Last Updated On: June 2, 2020)

The Grapefruit Diet is a weight loss plan that is designed for super fast, short-term results, which is actually the oppopsite of what the real Mayo Clinic Diet is all about.

On top of that, I haven’t found anything online that actually suggests that the Mayo Clinic has a grapefruit diet plan.

Even so, the Mayo Clinic does have a diet plan that works very well for fast weight loss, and it’s much more than a fad diet, like the grapefruit diet might be considered.

If you’re looking for a diet from the Mayo Clinic, then we recommend checking out their real weight loss plan.

Here are just a few of the reasons that we recommend the Mayo Clinic Diet:

  • Long-Term Weight Loss: The Mayo Clinic Diet isn’t your typical fad – they want to teach you how you can eat healthy and get moderate exercise, so you can keep the weight off for good!
  • Safe & Easy to Follow: Unlike some of the fad diets out there, the Mayo Clinic Diet has been proven to be safe, and on top of that they provide you with a simple and easy plan for reaching your weight loss goals FAST!
  • Affordable! You can get started with the Mayo Clinic Diet for Just $4 per Week with Our Discount!

Think the Real Mayo Clinic Diet Sounds Like a Good Fit? Get the Full Details ==>

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Still think you want to try the Grapefruit diet? While we don’t recommend it, here’s how it works:

How the Grapefruit Diet Works: Sample Meal Plan


The grapefruit diet typically takes place over a two week period and lays out a plan for what you need to eat for breakfast, lunch, dinner, and snacks. The key feature of the diet is grapefruit, obviously. While it’s not clear whether or not this diet actually works, here’s what its practitioners layout a the meal plan guidelines:


  • 2 Eggs
  • 2 Strips of Bacon
  • Half a Grapefruit or Small Glass of Grapefruit Juice (4 ounces)


  • Salad – as much as you want
  • Grapefruit or Grapefruit Juice
  • Meat of Your Choice – Salmon, Chicken, Steak, etc.


  • Vegetables – as many as you want
  • Meat of Your Choice
  • Grapefruit or Grapefruit Juice


  • Can be Before bedtime – Small Glass of Milk or Tomato Juice.

Using this Grapefruit diet menu as your guide, you would follow it for almost two weeks. From what I have read, you would eat this way for 12 days, then take a two-day break from the diet. Then, you start over again if you are still wanting to lose more weight.

It’s not exactly clear how much weight you could potentially lose following this plan, but the diet seems to have a loyal following, and a lot of people reporting substantial weight loss using this system for what that’s worth.

Foods You Aren’t Supposed to Eat

some pasta on a plate, which you can't eat on the grapefruit diet

While freedom (you can eat as much meat and vegetables as you want at lunch and dinner) is one of the features that attracts many people to the grapefruit diet in the first place, there are some things you aren’t supposed to eat when following the diet plan. These are as follows:

  • Sugar
  • Celery
  • White Onions
  • Potatoes
  • Bread
  • Pasta
  • Limit Caffeine to One Drink per Meal

Why Grapefruit?

Again, I’m not sure there’s any scientific evidence backing these claims up, but the diet followers claim that grapefruit contains a special enzyme that can rev up your metabolism, this burning more fat at each meal. Whether or not this is true is up for debate, but there are plenty of people who say this diet works, so you can decide whether or not you want to believe it.

Are There Side Effects?

While the diet doesn’t list any official side effects, there are some well-known potential side effects that can come with eating these particular foods in isolation, and a few that dieters have reported when following this system:

  • Dizziness
  • Lack of Focus
  • Stomach Issues
  • Constipation
  • Weakness
  • Fatigue

These are just short-term issues that people have pointed out, but there are some other potential long-term side effects that have been associated with eating high fat, low fiber diets.

Expert organizations like the American Heart Association say that following a diet that is high in protein, but low in fiber can lead to an increased risk for things like cancer, diabetes, hypertension, and heart disease – whatever that’s worth.


It’s possible that you could try the grapefruit diet and lose weight, but this doesn’t appear to be a long-term solution to weight loss, and it’s not a diet that the Mayo Clinic actually recommends or endorses.

Mayo Clinic does, however, offer a more balanced and healthy approach to weight loss, that is less about short-term gains, and more about developing healthy habits that you can maintain for the rest of your life.

The actual Mayo Clinic Diet was developed by their team of experts and doctors and utilizes an approach based on their healthy eating pyramid.

As you can see in the picture, the bulk of your foods should come from the base of the pyramid, and then as you work your way to the point you will be eating less and less of those foods:

The actual Mayo Clinic approach is heavy on fruits and vegetables, features a healthy amount of lean proteins, some healthy fats like nuts and avocados, and very limited amounts of sweets and dairy.

This being said, weight loss is still a priority with the Mayo Clinic Diet, and you can lose up to 10 pounds during your first week on the program.

This means it’s a viable and healthy option for people looking to lose a decent amount of weight in a pretty short amount of time.



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