There are a lot of diet plans available on the market: low fat diet, high protein diet, fixed menu, packaged meal, formula diet, etc. So how do you choose the best program for you?best weight loss program In choosing a diet plan, you must keep in mind a program with a healthy long term weight loss plan is the best program for any individual. Unfortunately, there are a lot of programs out there that do not have this plan. Low Fat Diet Program recommends low fat or no fat foods. The principle behind this diet program is that by reducing fat intake with regular exercise can lead to lasting weight loss. High Protein Diet requires high consumption of protein and low on carbohydrate foods.