In their zeal to reduce weight, many people cut out fat altogether from their diet. This leads to some nutritional problems in later stages because some fat and fatty acids are necessary part of body's requirements. Low fat weight loss diets check this problem. They help in warding off extra weight while providing just the required amount of fat necessary for body.
In selecting a low fat diet plan, it should be ensured that it results in a balanced and complete diet. The real job is to form achievable and realistic weight loss and diet goals. Following are some simple guidelines to attain this.
The following table presents the relation between amount of fat and calories for some common food items
| Food | Serving | Fat (grams) | Calories |
| Chocolate chip cookie, regular | 1 cookie | 6 | 130 |
| Chocolate chip cookie, reduced-fat | 1 cookie | 4 | 10 |
| Ice cream, regular | 1/2 cup | 10 | 160 |
| Ice cream, reduced-fat | 1/2 cup | 3 | 110 |
| Potato chips, regular | About 12 large chips or 20 small chips | 10 | 150 |
| Potato chips, reduced fat | About 12 large chips or 20 small chips | 6 | 140 |
| Potato chips, baked | About 12 large chips or 20 small chips | 15 | 110 |
| Pretzels, regular | About 18 tiny twists or 9 larger twists | 1 | 120 |
| Pretzels, fat-free | About 18 tiny twists or 9 larger twists | 0 | 100 |
| Wheat crackers, regular | 16 crackers | 6 | 150 |
| Decaffeinated | 16 crackers | 4 | 130 |