The Grapefruit Diet

By: Jacob Owsley

Who, When, Where...

The Grapefruit Diet has existed in the United States since its invention in the 1930s, but it became a "fad" diet in the 1970s. Though it is no proven, it is believed that this fad diet was created by Kelly D. Brownell. Brownell is a scientist, professor, and an internationally renowned expert on obesity. He works in the fields of public health and psychology at major universities such as Purdue or Rutgers.

Information on the Diet

What is it?

The Grapefruit Diet, also known as the Hollywood Diet, is a diet revolving completely around grapefruits because grapefruits are high in vitamin C, can lower calories, and are always fat free. When undergoing this diet, people are to eat half a grapefruit along with portions of vegetables and proteins. After doing this, the grapefruit diets help break down the fat in the body.


As a result of the grapefruit diet, an individual will experience weight loss, lower calorie intake, and less fat because of the grapefruits special fat burning enzymes. If a person sticks to this diet plan, they are likely to loss 10 pounds in 12 days or so.


  • Low calorie consumption
  • Loss of body fat
  • Lower cholesterol levels
  • Greater heart health because of rich antioxidants
  • Protection against cancer or infection


  • Only a short time weight loss
  • The body cannot hold needed vitamins and minerals
  • Slowing of the enzymes that protect your body
  • Too restrictive

Meals under the Grapefruit Diet

  • Breakfast: 1/2 grapefruit with 8oz of grapefruit juice, 2 boiled eggs, two bacon slices
  • Lunch: 1/2 grapefruit with 8oz of grapefruit juice, salad with a protein
  • Dinner: 1/2 grapefruit with 8oz of grapefruit juice, any meat and red/green vegetables