First of regardless of what your fitbit tells you, you should never eat less than 1800 calories. So if you can make your goal that day, you need to exercise more.
Your fitibit throught out the day will give you an estimate of how many calories burned. This is based on your BMR, plus your activity.
On fitbit.com, log, food plan is a gear with a drop down setting. Personalized, vs sedentiary. By default it is set to sendendiary. So early in the morning it will show a very small amout of remaining calories. And you have to be active to earn more calories for you to eat. Personalize will tell you how many calories you have left to eat based on what you have done previously. So if every day you burn 2700 calories, and eat 1800, at midnight it will tell you to eat 1800 caloires.
Ideally, if you were to eat the same number of calories out, you would not gain weight. However what you log for food, and how many calories you burn are estimates. Both can be wrong by 250 calories or more. So everyone has to tweak their diet to find there normal max for the day.
So if you only burn 2300 calories, and you have set your fitbit to a 750 deficit, your fitbit will tell you to eat 1550 calories. Which is TOO LOW. You would need to eat at least 1800 calories, so you need to increase your activities by 250 calories. Go for a 2-3 mile walk would do it. If you don't increase you calories burned, then you will have to go over that day.
1800 is minimum calories most men need to eat in a day. If you really want to eat less, work with a nutrionist to determine your healthy minimum. Eating under your minimum will tend to burn muscle, and gain fat. Exactly opposite of what you want to do.
Now you know to add muscle with bodybuilding you need to eat more protein. The problem is in a calorie deficient diet it's ALMOST impossible to gain muscle and lose fat at the same time. You are just not eating enough protein to add muscle mass.
So my suggestion is limit the time on the weights and concentrate on cardio activities to burn fat. You can do some weights to maintain muscle mass. But you need to do an hour or two of cardio a day if you want to lose a lot of weight.
A 750 deficit is for someone that wants to lose 20-40 lbs. 500 deficit for 10-20 lbs, and 250 deficit for 10 or less. 1000 deficit for those need to lose more than 40.
Having a high deficit, and very few pounds to lose causes the body to burn muscle, and gain fat. Again the opposite of what you are trying to do.
Good luck!
John | Texas,USA | Surge | Aria | Blaze | Windows | iPhone | Always consult with a doctor regarding all medical issues. Keep active!!!
