One of the key factors to successful weight loss is satisfying the appetite without triggering a craving to overeat. On a scientific scale, the glycemic index (GI) of a food indicates its role in digestion — the lower the GI of a food, the more slowly it converts to blood sugar. Thus, the less likely it is to stimulate uncontrollable urges to eat empty calories. How to goji berries compare to other foods? The goji berry’s GI is 29. Apples are rated at 28, oranges at 42, and cantaloupe at 65. Watermelon is a heaping 72. Of standard health fruits, only the banana compares at a GI of 25. Aside from its low GI rating, goji berries can control appetite and high blood sugar by virtue of its fiber content; goji berries are 21 percent fiber by weight. more…