The number of calories you need/day is a calculation based on your height, weight, age and level of activity. Your body needs so many calories just to function and if you drop below that, you will do harm.
Cutting too many calories puts your body in a state of alarm, in which it pushes to conserve calories rather than burn them. You start feeling cold and tired, and the lack of energy forces your body to break down muscle tissue to fuel its vital operations. This is bad in more than just one sense, since the amount of muscle tissue is directly related to metabolism, the rate at which you burn calories.
Men should consume a minimum of 1800 cal a day...
sorry i didnt mean to post that, i was trying to delete it... i think that was the answer for a woman ill check to see what it is for a male...
you should never take in less than 1200 calories a day, even if you are trying to lose weight, if you take less then this your b