Weight management is essential to maintain a healthy lifestyle. Nutrition and Weight Management includes a balance of healthy eating and physical exercise. Knowing what one's body needs is important for weight management and can control overconsumption and under consumption of food. Weight management Treatment does not include fad diets that promote quick and temporary weight loss. It focuses on the long-term results that are achieved through slow weight loss, followed by retention of an ideal body weight for age, sex and height. Weight management treatment includes an increase in protein intake, especially at breakfast, low-calorie foods, eating more dairy and incorporating more vegetables and fiber into meals. Caffeine and black coffee have been associated with increased energy expenditure and subsequent weight loss. Green tea increases energy expenditure and fat oxidation in humans, independent of the caffeine content. In addition, there are different diets like Atkins diet, Weightwatchers, GM Diet and Ornish Diet. Whatever be the diet and the lifestyle changes, it is always recommended that one must combine the diet with exercise to allow the body's fat burning mechanism to work most efficiently. It is important to consult a qualified and experience nutritionist or dietician before embarking on any diet of strenuous exercise.