no it is not good for you.
Here is a good 1200 calorie diet plan designed by a woman for women. http://www.womenandweight.com/1200-calorie-diet-plan/ For a more comprehensive look at this plan : http://www.womenandweight.com/1200-calorie-diet/
1500
Usually to lose weight women stick to a 1500 to 1700 calorie plan. Guys can do a 2000 calorie plan ok. however anything that is a reduction of your normal total calorie intake is a good diet.
cheese
The recommended calorie intake for diet meal plans between 650 and 700 calories per meal for a woman, and between 800 and 850 calories per meal for a man.
As with any diet make sure to talk with your doctor first, mainly to make sure your body will handle a diet. A good place would be to go to dietforum.com/low-calorie-diet-meal.htm. You be able to talk with others on a low calorie diet.
Zero calorie foods are good for someone who is on a diet and are counting calories. It really depends on the diet you are on. While zero calorie foods might be low in calories some are high in carbs. If you are on a low carb diet, such as South Beach, this might effect your diet and do the opposite.
There is a diet called the negative calorie. Individuals can get more information on the negative calorie diet at www.negativecaloriediet.com and www.healthyweightforum.org �ۼ Diet Reviews.
One of the best and highly recommended diets in the world is 1500 Calories Heart Healthy Weight Loss Diet Plan which is a very good choice for low calorie meals.
The cookie diet may work, but the 800 calorie intake that it suggests is not healthy. The diet does not provide enough calories, fruits, vegetables needed. My recommendation is to hit the gym and eat healthy.
Excersizing and a healthy diet. (Fruits and Vegitables are good) About a 1500 calorie diet.