You should get to a doctor being 400 pounds is dangerous for your heart, muscles, and bones. In the meantime I would suggest drinking 200 oz of water a day and see a doctor ASAP to get on a healthy track. Keep in mind soups, and anything with water COUNTS for hydration.
3000
Well yes, you lose weight by burning more calories then you consume, and vitamins will help replace the nutrients you are missing since you are cutting calories.
well, it depends on your calorie intake per day. Basically how many calories you consume a day. If you burn more calories than you consume you will lose weight.
A calorie is a calorie, no matter what source you get it from. That is, if you consume more calories than you burn, then you will gain weight; if you consume less calories than you burn, then you will lose weight.
Yes, if you consume 1500 calories per day and burn 500 calories through exercise, you are likely to lose weight as you will be creating a calorie deficit.
You would have to consume 1200 calories and do regular exercises to lose the weight you desire
You have to burn more calories than you consume.
If you burn more calories than you consume in a day, you will lose weight.
1890 a day
Multiply your ideal weight by ten and that's how much calories you should consume daily to lose the weight.
Calories
Weight loss depends not on what you eat, but rather how many calories you consume. You can lose weight eating whatever you want, so long as you consume fewer calories than you burn.