In The GDA Diet: Shop Yourself Thin - Your Supermarket Weight Loss Guide, registered Dietitian and author, Nigel Denby’s weight loss diet is compiled from over 20000 supermarket products making it the most comprehensive and varied diet ever! The GDA Diet uses the food labeling system, Guideline Daily Amounts (GDA), which is featured on leading brands throughout the UK and provides the key to the front of pack labeling system – helping you to lose weight and keep it off!

The GDA Diet is simple to follow and doesn’t involve complicated recipes or 'fancy foods'; in fact it incorporates the everyday food, including ready prepared meals, you’ll find in the supermarket. No foods are banned, allowing you to eat the foods you love while keeping nutritionally balanced and helping you make more informed choices about the food you eat.

The GDA Diet is full of tips for real people, living busy lives. Denby provides recommendations for people on budgets, the time pressed as well as vegetarians, ensuring that we have no more excuses not to eat well and be healthy.

Denby’s mantra with his clients is to give them advice which gives them delicious, healthy food and flexible eating programmes. The GDA Diet incorporates all of these and by following his guidelines, you’ll confidently be able to break free from the 'yo-yo diet cycle. ' It’s a diet for 2009, reflecting our demanding lives and giving us a passport to a lifetime of permanent weight control and better health.