Grapefruit diet

Grapefruit DietThe grapefruit diet started gaining popularity in the 1930s and actually came in the 1980s to its peak. Although the usage of the grapefruit in diets has gone through time through several versions, there are however just about three different kinds of grapefruit-connected diets in circulation which have been referred to as the grapefruit diet.

Since there hadn’t been any real evidence showing that it really helps weight loss on the other hand, the effectiveness of grapefruit in weight loss has been a really debatable issue.

Dr. Fujioka and his team of scientists from the Nutrition and Metabolic Research Center of the Scripps Clinic in California carried out a research study on 91 heavy participants.

The participants were split into four distinct groups and each group put on among the following: placebo capsules, capsules that were grapefruit, grapefruit juice, and fresh grapefruits together with their usual diets. The participants were instructed to make no other changes to their dietary regimen that was routine but were to participate in a 30-minute walk three times a week.

The researchers noticed that three of the groups that was put on some type of grapefruit lost more significant amount of weight. It was discovered the group that had been put on the fresh grapefruit actually lost the most weight during the study.

Based on the study, eating a half “fresh grapefruit” before every meal and participating in regular daily exercise can help people lose about 3.6 pounds in 12 weeks. The study also claims that drinking a glass of “grapefruit juice” before every meal combined with routine daily exercise can likewise help individuals lose about 3.3 pounds in the same 12 weeks interval.

Although the study didn’t use grapefruit in the context of a “grapefruit diet”, it has yet been able to put to rest the criticisms of a lot of specialists about the real effectiveness of grapefruit in weight decrease. Actually, the study titled, “The Effects of Grapefruit on Weight and Insulin Resistance: Relationship to the Metabolic Syndrome” was designed to measure the effectiveness of grapefruit and grapefruit products including juices and capsules in weight reduction and treating insulin resistance.

Insulin, as a hormone, is usually secreted into the bloodstream whenever there is an abnormal increase in blood sugar levels. The secretion of insulin signals body cells to absorb the excessive glucose in the bloodstream, convert and store same as glycogen in muscle and liver cells, and as fat in fat cells (adipose tissues).

Yet, overeating can severely hampers insulin sensitivity. Overeating generally causes an increased insulin secretion which eventually makes the insulin receptors normally found on cells to become “numbed” or “desensitized” to the effects of insulin.

Consequently insulin resistance leads to people becoming heavy with the consequential risks of developing heart disorders or stroke. Insulin resistance is generally regarded as a harbinger of Type II Diabetes, which has a 90% prevalence rate among individuals with diabetes.

As there will be available to be converted into body fat once insulin levels remain steady, the body becomes more effective in fat burning off. This is due to the fact that eating or drinking grapefruit while just before and starving meals essentially reduces the body’s insulin levels and stimulates the body’s fat burning mechanism in such a way as to combust the afterwards ingested foods for energy instead of storing them as fat.

The study claims that since grapefruit is powerful in helping the body reduce and regulate blood sugar levels, and consequently reduce insulin secretion thereby raising its sensitivity, weight loss should therefore become one its natural effects on the human body.

However, the procedure is a little more complex and there are certain others issues to be competed with such as the specific ingredient or compound in grapefruit that has these effects. Also, the exact working mechanism of how grapefruit and its derivatives help in restoring insulin sensitivity are not yet fully understood.

This study has nevertheless categorically demonstrated that despite these shortcomings, its derivatives and grapefruit do really help people drop some weight. Consequently, the mix of the weight-loss capability of grapefruit to an energetic lifestyle of a healthful and balanced diet of eating and regular exercise is a guaranteed means to achieve a sustainable and healthy body weight.

Grapefruit diet
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