The term “low GI” has been appearing with increasing frequency in dieting research. Experts state that low GI foods are changing the way people thing about dieting, for the better. GI refers to the glycemic index, which is a tool used by nutritionists to measure the rates at which certain foods release glucose into the body. Low GI foods perform this activity slowly. Steadier levels of blood sugar mean that dieters feel more energized for sustained periods of time. These foods also delay hunger and promote a speedier metabolism. Here, then, are some of the most popular low glycemic snacks.