There are some low calorie diet plans that are employed by several folks. But when the GCB 1000 calorie intake of the body is suddenly dropped, the body is not in a position to adjust itself properly. It enters an unbalanced state and hinders the operating of metabolism. Therefore rather than losing weight, you may end up gaining some. The body starts to use muscles and further decrease the metabolic rate. Thus several essential systems have to interrupt down to supply the necessary energy to the body. Read more: http://www.healthyprovenow.com/gcb-1000/