The French have the lowest average body weight per capita in the western world, and yet they eat famously well. Montignac explains in The French Diet that this not only has to do with which foods the French choose to eat, but their quality, freshness, and most importantly, the way that they are combined. Although the book is based on the concept of glycemic index (GI), which other diet books discuss, The French Diet is the only book that provides the net GI values of combined foods. Already a phenomenon for years in Europe, Montignac's dieting methods have been helpful to tens of thousands of people around the world who have achieved impressive and long-lasting results and reduced their risk of developing cardiovascular disease. The diet has also found a celebrity following among devotees like singer Kylie Minogue and fashion designer Christian Lacroix.

Written for a range of readers, from those who dine out frequently, to yo-yo dieters, to those who don¹t want to give up wine or "the good life" but who do want to lose weight, The French Diet reveals the secret to living, eating, and looking like the French with this delicious, deprivation-free diet.