Book excerpt: Diet trends come and go, but eating according to the glycemic index (to avoid blood sugar spikes) is a consistent, scientifically proven way to manage your health through your eating habits. The Low GI Shopper's Guide to GI Values 2015 makes it easier than ever! This go-to reference has everything you need to know to use the glycemic index, whether you are trying to lose weight or manage a chronic condition like diabetes. The GI tables -- comprehensive lists of foods and their glycemic index values -- are the key to unlocking the health benefits of a low GI diet. The 2015 edition of the Shopper's Guide also offers: nutritional data for more than 1,200 popular foods; definitive at-a-glance tables arranged by food category; tips for maintaining a gluten-free, low GI diet; facts about sugar and sweeteners; and shopping lists and tips for everyday meals and dining out.