Healthy Diet Cookbooks: Healthy Grain Free Recipes and Juicing The Healthy Diet Cookbooks covers two different diet plans, the Grain Free Diet and the Juicing Diet. Each of these diet plans are meant to encourage a healthy lifestyle. While the Grain Free Diet benefits those with gluten allergies and intolerances it is also a good diet for those who want to lose weight and simply become healthier. The Juicing Diet is a great diet to jump start weight loss and to cleanse the body of impurities. Each diet is great alone, but can also be combined to give you the best benefits of both plans.