The Grapefruit Diet Detox, known as the Hollywood Diet, a diet based on the consumption of certain foods along with half a grapefruit or eight grams of unsweetened grapefruit juice before a meal. Proponents of the diet say they enjoy the benefit of weight loss without feeling starved, while opponents argue against high intake of saturated fats, combined with an inadequate intake of calories
The Grapefruit Diet has been around since the 1930s when it became a popular trend in Hollywood among movie stars. Like many Hollywood trends, it moved into the mainstream American culture, but did not take a firm grip until 1970. The Grapefruit Diet was created by Kelly D. Brownell.
The Grapefruit Diet does not allow you to eat complex carbohydrates such as bread and pasta, but do not allow any type of meat, eggs, milk, fruits, vegetables, butter, salad dressing, coffee, tea and water. The diet for maximum 12 days and you have to follow your meal plan to the mark. The calorie limit is 800 per day. The only other requirement of the diet is behavioral: no training. Because of the low calorie intake, you can faint with intense physical activity.
Grapefruit is very nutritious. It contains large amounts of vitamin A and C as well as potassium, fiber, and antioxidants. There are three varieties of grapefruit, red, pink and white. The general rule is the darker the fruit, the higher vitamin content. Grapefruit is a low-calorie foods contain 74-78 calories per fruit. These characteristics make grapefruit beneficial for cardiovascular health as well as effective for lowering cholesterol, reducing the risk of developing diabetes and increased metabolism.
There seems to be a connection between the enzymes in grapefruit that increase metabolism and insulin production. It is speculated that when these enzymes is consumed the slow insulin production, this leads to a part of the weight loss experienced on Grapefruit Diet. Reduced insulin levels leaves you feeling full earlier and longer.
Due to the low caloric intake of Grapefruit Diet, you should diet for not more than 12 days and take at least two days off if you choose to make the diet more than once. There is not enough nutrition in their diet to allow training and this, in combination with high intake of saturated fats, leading to an unhealthy lifestyle. The Grapefruit Diet does not cause loss of body fat, but the loss of retained water, which typically causes most participants to regain the weight they lost on diet after they stop.