You shouldn't confuse this diet with a boot camp or some army training program. This diet program is not strict and it fits any taste. The GI diet is focused on Glycemic Index, that is the ability of your body to classify carbs according the their effect on blood sugar. In 1981 Dr David Jenkins, the professor of nutrition, has come to a decision that not all carbohydrates work in the same way in the digestive system. It has been revealed that some of them are digested faster and create rapid and short lived raises in blood sugar while others need much more time to be digested thus providing a more stable source of glucose to the body. The result of the investigation is: the high gycemic index foods, causing the blood sugar to yo yo, makes it dificult for individual to keep the body weight in norm because the body requires more glucose due to the short lived which they provide. There are many versions of diet plans based on GI, however the most popular is Rick Gallop's diet which is also one of the most effective. The main principle of this plan is to reduce the consumption of the high GI index foods, to which belong highly refined carbohydrates such as white bread, white rice and cornflakes. Instead, it is recommended to eat foods like lentils, yoghurt and wholemeal bread.
The GI diet is aimed at reducing the food cravings and binge eating. However this diet alone can't cause rapid weight loss. Most GI diet plans provide ideal portion sizes and a certain calorie restrictions. For instance, Rick Gallops recommends to use a plate divided into portions which is very helpful in regulating the amounts of proteins, fats and carbohyrates which you consume.  The efficiency of GI diet
This diet has a few advantages over the other fad diets:
1. It is not as restrictive as Atkins or South Beach diet.
2 It doesn't include the foods which are considered by doctors and health experts as unesirable and unhealthy. On this diet you should eat more fiber rich foods which are also low in the GI index by their nature. However, there are several drawbacks of GI diet concerning good carbs. Carbs mixed with fats and proteins are located lower in the GI scale. So it means that french fries high in calories and fat content are lower than jacket potatoes. Nutritionists also point out that you should eat several types of foods at once so you will need to calculate the GI value of the food as a whole and not of each food. In fact, it can be rather hard to do this procedure. Generally speaking the GI diet can help you lose excess weight in a healthier way if you use good judgement and common sense as well. It is very beneficial for your body to eat less refined foods and reduce the consumption of sugar as well as to stick to fresh vegetables and less fruits. This will provide your organism with essential vitamins. Vitamins which are often ommited in most diet plans can have a radical influence on weight loss. They assist in many enzymatic processes and impact on the cell functions. It doesn't matter whether you lose weight or not you should feel yourself better.
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