The glycemic index, glycaemic index, or GI is defined as a measure of the effects of carbohydrates on blood sugar levels. Since Foods have a high GI caused carbohydrates that break down quickly during digestion and released glucose rapidly into the bloodstream. On the other hand, foods with a low GI have significant health benefits, because theirs carbohydrates break down more slowly, release glucose more gradually into the bloodstream. The concept was developed by Dr. David J. Jenkins and colleagues[1] in 1980–1981 at the University of Toronto in their research to find out which foods were best for people with diabetes.
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The Low Glycemic Index Diet
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Low Gi Diet or Low Carb Diet - Which One Is Best?
These days, most everyone has heard of low carb diets such as the South Beach and Atkins diet but the GI or glycemic index diet is a fairly new name on the diet scene. While low carb diets restrict the quantity of carbohydrates, the GI diet focuses on the quality of carbohydrates. It works by promoting the consumption of foods that are low on the glycemic index, foods which will have a gently effect on your blood sugar levels and keep you full longer.
A typical low carb diet, has a restrictive phase in the beginning where your carbohydrate intake is severely limited. You can eat all the meat you want and fats are also unlimited, although the South Beach Diet does encourage you to stick to low fat meats and healthy fats. As the diet progresses, you can gradually add in more carbohydrates, typically those with a low glycemic index are also those that are lower in carbs.
Although a low GI diet might not be one that you've heard much about before, it has actually been around since the 1970’s and is used in many European countries to help manage diabetes. Recently, however, this way of eating has gotten a lot of attention as a healthy way to control weight. This diet focuses on carbohydrates – “good carbs” have a low glycemic index and you should eat plenty of them (incidentally, these are also the foods that we know to be good for us like fruits, vegetables and whole grains). “Bad carbs” have a high glycemic index and should be eaten in moderation and mixed with the low glycemic index carbs to lower the overall GI of a meal. Since this diet focuses only on carbs it is very easy for vegetarians to adopt this way of eating.
In comparison, a low carb diet can be limiting in fruits and vegetables which are high in vitamins, minerals and enzymes as well as fiber. Many people associate low carb diets with a license to eat as much saturated fat as you want, but that choice is up to the individual so we really can’t fault the diet for this misconception. A low GI diet is full of fruits, vegetables, fiber and low in fat but emphasis the good fats found in nuts. It encourages eating lean meats in moderation.
While we all know that meats and fats are no carb and green leafy vegetables are low carb, some may not be aware of what foods have a low glycemic index. Most vegetables (except potatoes, beets, pumpkin) have a very low GI. Some fruits that have a low GI include citrus fruits, apples, plums and peaches while most other fruits have a medium GI value. Oatmeal, most pasta and whole wheat bread also have a low gi.
So which diet is best?
Where many people in the health and nutrition profession consider a low carb diet to be unhealthy, most everyone would consider a gi diet to be very healthy. Studies have shown that eating lots of fruits and vegetables can help to bolster your immune system thus allowing you to fight disease and eating high fat meats may adversely affect your health and help contribute to heart disease. That being said, it has also been shown that being overweight is a major health risk for many diseases so the best diet is probably one that works for you! Some folks might respond better to a low carb, others to a low gi. Either way, it makes sense to make healthy food choices, limit food intake and exercise for your good health.
Lee Dobbins is owner and editor of Low Carb And Low GI Resource where you can learn more about the glycemic index value of foods.
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Recommended ReadingThe Low Glycemic Index Diet
The Easy Healthy Way To Achieve
Permanent Weight Loss & Disease Prevention
The Low GI Diet - Eat Your Favorite Foods and Normalize Your Blood Sugar
There is an increasingly popular family of diets, which use the glycemic index (GI) to control blood sugar levels. One of those is the low GI diet. Losing weight is a hard goal everybody seeks to accomplish each and every year. The weight loss industry is really immense and powerful, and sells every type of pill, cream, fad diet and lotion possible. The low GI diet is nothing new (more than 30 years old) and does not require purchasing any sort of diabetes diet foods. A low GI diet is much more than a typical diet, even a low carb diet.
This diet translates into a true change in your lifestyle, health and overall well being. The glycemic index (GI) is based on how quickly carbohydrates affect your blood glucose level, and not only on the carbohydrate content of food itself. High glycemic index in a food means quick digestion and rise of the blood sugar level. These foods usually lack necessary nutrients or vitamins, and contain excess calories and fats.
The low gi diet is good for anyone concerned about their health, especially diabetics and people with overweight. Carbohydrates break down into the bloodstream and release glucose. Some break down faster than others. The GI measures how fast any kind of food breaks down, with 100 representing glucose itself. Low GI foods (55 points or less) release glucose slowly, thus being considered healthier. Medium GI foods (between 56 and 69 points) release glucose faster and are not as healthy as low GI foods. High GI foods (over 70 points) are the least healthy foods, because they release glucose the fastest.
This is the only "scientific" diet proven to help you lose weight and at the same time develop durable healthy eating habits, to achieve optimum well being and health and protect yourself against disease. This diet together with exercise will enable you to lose up to 10% of your current body weight in a period of about 3 months. There are in the market (Internet) various good maintenance programs with tips, delicious recipes and meal plans, and tables with the GI values of all your favorite foods.
The result of following a low GI diet will be amazing: a healthier, fitter and slimmer you for the rest of your life. And the process will be enjoyable too, making you feel fuller for longer, and increasing your energy levels while losing weight and sustaining weight loss. So I encourage you to entrust your weight loss into something that will guarantee you results, the low GI diet, instead of falling prey to one of those "lose weight quickly" fads.
JOSE TALAVERA - Health advisor. Diabetes expert. Experienced consultant and author. If you like this article, please visit the web site below for more advice and resources: http://conquer-diabetes.blogspot.com
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Recommended ReadingThe Low Glycemic Index Diet
The Easy Healthy Way To Achieve
Permanent Weight Loss & Disease Prevention