People who diet while taking Phentermine typically have an accelerated rate of weight loss. Adipex and Phentermine work by dampening appetite, not by increasing metabolism. People who eat for emotional reasons or who have binge eating disorders may still have trouble losing weight while taking these pills. Phentermine is most effective when combined with a low-calorie diet. To optimize the effects of Phentermine, drink plenty of water and take the pill early in the morning, about 30 minutes before breakfast.

Phentermine and Adipex do aid in weight loss. Although there is no magic pill that will cause you to lose weight, these diet pills are effective helpers. Weight loss is dependent on eating fewer calories than you eat burn each day. Phentermine and Adipex help dull hunger and cravings, which reduces the number of calories consumed. They also increase energy levels, making it easier to stick with an exercise program. The benefits of Adipex do decrease over time. If you have a lot of weight to lose, talk to your doctor about taking periodic breaks from the medication. This will help reduce the likelihood of your body building up a resistance to the medication.