This can cause to dieters drop out before reaching their target weight. You need to make sure your carbohydrate, protein, and fat ratio is right for good health. Recommendations for carbohydrate intake vary, from 20 to 60 percent for losing weight. In some regimes, dieters consume 1,200 calories per day if they are female and 1,500 if they are male. However, do not try to do this yourself without the supervision of a trained expert.