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Hi - if I consume 1000cal per day is that 5lbs loss per week?


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I'm aware of the 2lb per week recommendation but my doctor has assured me at my weight it is perfectly safe to lose more.

3500 calories = 1lb

1000 per day = deficit of 2500 calories per day, multiply that by 7 days and its 17500 per week = 5lbs.

Is that how it works? I find it very confusing so sorry if thats totally wrong lol.

35 Replies (last)

I'm seeing a doctor for my weight loss and she has said that I can consume as low as 800 calories a day and be okay, but that doesn't work for me. She now has me on a 1000 calorie a day diet if I am not working out on that day, and 1200 for exercise days. I seem to eat regularly about 1300 calories a day and that is as low as I can go and feel good. I'm losing about a .5-1lb a week which is ok. I doubt that you will see more than a 1lb of weight loss if you cut your calories. And if you did see 5lbs gone I bet it would just be temp and be back within a day of normal eating. 

 

Think about the story of the hare and the tortoise: slow and steady wins the race. :D 

 

 

While it may be safe to lose up to 1% of your body weight per week, eating 1000 calories is NOT. Losing more than 2 lb per week is generally only considered for those with a BMI above 40.

Small-statured, sedentary women can get by with a minimum of 1200 calories; small statured sedentary men with a minimum of 1500.  if your BMI is above 40, eating that low level of calories will not benefit you in the long run, and will definitely set you up for possible binging and rebound gain.

Using the site tools, find out how many calories you burn daily, add in any exercise calories above and beyond your daily living number and then subtract up to 1500 calories, making sure not to go below the minimum.  If your doctor ok a loss of more than 2lb per week, then I'm betting you could still eat 2000+ and lose the weight.

Just so you are aware:  Eating less than the minimum is not advocated nor condoned by Calorie Count. Calorie Count's mission is to promote healthy and sustainable weight management. This is not possible if you are under-eating.

ETA:  No, eating 1000 calories per day will not lead to a 5lb per week weight loss. (Realized I hadn't answered the question)

  1. Your math does not make sense.  If you eat 1000 calories per day, you would need to burn 3500 calories per day to have a 2500 cal deficit.  That would be difficult to achieve unless you are VERY active, but in that case you'd probably end up passing out from lack of nutrients...
  2. 1000 calories/day is extremely unhealthy!! You'll feel lousy, and you'll end up losing a lot of muscle mass from such an extreme diet.

So I'm really new to this, but I want to add that there is no reason to torture yourself with a maximum of 1000 daily calories.  You will feel tired all the time, you will feel like you are severely deprived and starving, and you just may do more harm than good to your body.  This isn't "on or off" or "all or nothing."  There is a much more sensible approach, regardless that your doctor said it was OK. 

You merely need to eliminate 500 calories from your current daily consumption to lose 1 pound of fat, theoretically, in one week.  At your current weight, use a weight calculator to see how much calories you are currently consuming to maintain that weight.  Thereafter, just subtract 500 daily calories from that.   

I will use my age, gender and height as an example: For a 5 ft 5 in, female, 50 y.o., 300 lbs, 2613calories is needed to maintain...so 2113 is needed to lose.   As weight is lost, the calorie needed to maintain decreases.  So say the person in the example lost 20 pounds.  To maintain 280, 2498.6 is needed, 1998.6 would facilitate further weight loss.  

At 200 lbs, 2044.9 is needed to maintain, 1544.9 to lose.

At 175, 1903.2 to maintain, 1403.2 to lose

These examples were created at: http://www.caloriecontrol.org/healthy-weight- tool-kit/weight-maintenance-calculator-women

There are plenty of sites where you can locate this information.  The important thing is to find your current calorie intake, and reduce it by 500 daily.  Some sites give you a forecast for the future weight you want to be, and can spit out "1200/daily" which is generally nonsense.  1200 is the lowest a female should consume and 1500 is the lowest a male should consume--but here is the thing...you want to make the diet as doable as possible. You want to make this a life change--not a quick fix that will make you sick or send you rebounding into the first cheeseburger you can find. 

I am amazed at the "normal" healthy foods I'm eating since beginning this journey.  I started out on WW Points Plus program, and you know what?  The logic of "calories in/calories burned" just gets lost.  Food has CALORIES, not points.  I don't need to belong to a program that I have to pay to rely upon the point value for everything I put into my body--and also, the WWPP program wasn't producing the results I wanted.  I was not happy to lose 4 pounds in 8 weeks...so I looked to calorie counting to see why I was not losing the marketed/promised 1-2 pounds per week and the answer was I was eating too much. There was just too much leeway room built into WWPP - for me, in my experience.

I found Caloriecount, and started at 1200--after the first week I lost 3 pounds.  BUT, I was worried about losing too quickly, so I upped my target to 1400, and lost 2.2.  In my third week, hormonal, I lost .4, and I am really ok with that. I've made what I am hoping is a life change.  I don't want to ever be as heavy as I was, and I want this to be the last reduction diet I am ever on.  I know that I will be watching what I eat for the rest of my life, but I am on a good healthy path, I want to reach a realistic goal (155 most likely) and then maintain it.  I know how to lose weight; I've never learned how to maintain it.  This time, I hope I finally "got it".

So my bottom line advice to you is...be kind to yourself...be good to your body...make healthy choices, and don't UNDERdo it.  Don't be drastic, because not only is that not sustainable, it is unhealthy.  You don't have to diet in a hurry--just a minor adjustment to your current daily menu will make a huge dent on the scale.

Good luck to you!!!

Hugs

Thanks for the replies.

Donna - I don't find 1000 calories per day tortoruous, its what I've roughly been consuming over the last six days, it could be all the water supressing my appetite or it could be my mindset which is good for the first time ever.

My BMI is above 40 I think, I'm 6'4 and 360lbs. 280lbs is a goal, I know its still an unhealthy weight but I like that target, something about it and I know I can achieve it in a satisfying timeframe, but not at 1-2lb weight loss a week.

I'm desperate for this, I'm sick of this weight and honestly do not possess the patience for an 80 week journey. If my doctor informs me its safe for me to lose more than the 2lb per week then I'm going to do everything I can.

I'm 23 and already lost on ALOT of my youth because of my weight and I'm not going to waste anymore time so its time to take the bull by the horns.

Muscle mass loss won't be an issue btw.

As I said I find this extremely confusing so could anybody inform me how many calories needed per day to contribute toward a 5lb weight loss? I'm active, I play football (soccer) three times a week and that is intense, other days I'm jogging around the park.

Some doctors, when dealing with an overweight patient, will encourage anything to get them to lose weight, so I'm a little hesitant to accept your doctor's recommendation here. 

There are very, very rare situations when a doctor will recommend extremely low calorie diets like you're talking about, but ONLY if the person has some other serious health problem that is directly related to their weight and ONLY if that condition is more dangerous than the extremely rapid weight loss.  And even then, the patient should be under very close supervision, and meals should be planned with a dietitian. That doesn't sound like you at all.

Losing weight too fast is really unhealthy.  It's not just muscle loss.  You can give yourself a mountain of health problems if you do this to your body.

Besides which, slower weight loss is more likely to be maintained.  You want to do the work to lose the weight, only to gain it all back right away?  I didn't think so.  Take it slower!

Your best goal is to aim for around 1% of your body weight per week, around 3.5 pounds.  That's still rapid weight loss.

Eat at least 2800 calories a day.  You'll still lose weight quickly, since you're both young and male.  And you'll be healthy.

And you need to learn patience and determination.  If you don't accept that weight loss is a journey, you're likely to give up the first week that goes by without a loss (and it's almost certain to happen sometime), and not only regain all you've lost, but add some to it.  Be stubborn about it! 

#7  
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Original Post by shayne88:

I'm aware of the 2lb per week recommendation but my doctor has assured me at my weight it is perfectly safe to lose more.

3500 calories = 1lb

1000 per day = deficit of 2500 calories per day, multiply that by 7 days and its 17500 per week = 5lbs.

Is that how it works? I find it very confusing so sorry if thats totally wrong lol.


Shayne, you seem to be sceptical - and for a good reason. Would you think that weight loss would be such a big issue if one could simply eat 800 cal a day and lose 5 lbs a week, 250 lbs a year ?

It's not. Of course it is not. Permanent weight loss is a slow, healthy process in which you lose about 1% of your body weight or 1-2 lbs for most. The closer you get to your goal weight, the slower the progress will be.

If you make adequate life style change along the road, you will keep your weight off... if you don't you will -rinse and repeat- go back to where you were coming from.

To maintain your current weight at your age/activity level, male:  4158.2

I will interrupt the rest right now to wisely advise that if you're eating 1000 calories a day, and intensively active, you're going to harm yourself.  Your body needs fuel to make your heart beat, your lungs expand, your blood circulate, etc.  Your body needs a minimum input of calories simply while just "being" and doing nothing but existing. I know you understand that.

For your age and height alone, you require much more than 1000 just to exist.

Add to just existing, doing nothing, relatively simple daily tasks...forget the exercise for now.  The caloric effort to live a regular usual day is more than 1000.   Now, lets add in your intensive exercise, and I give you this example:  your body is a car and you are taking it on a trip.  Would it surprise you when it is out of gas that it cannot go any further?   Would it surprise you if it ran out of oil that the engine could cease?  However, you will intentionally under feed your body, yet expect it to perform optimally?  You are asking a lot of yourself, at the expense of harming yourself.

You already know the above.  I know you know. 

Now, to quote how to lose weight from a reliable source:

"By consuming these calories on an average daily basis, you should maintain your weight. However, if you are looking to lose weight, here are some tips:

Most health professionals recommend slow weight loss as the safest and most effective approach. A sensible weight-loss program allows you to lose weight gradually -- about one-half to one pound per week. Gradual weight loss promotes long-term loss of body fat, not just water weight that can be quickly regained.

To lose one pound, a person must burn 3,500 calories more than are consumed (500 calories per day over the course of a week). For example, reducing calories by 300 per day and increasing daily activity to burn off an additional 200 calories should result in a weight loss of one pound per week.

Here is an example of how the calculator can help you. If your daily calorie needs were calculated as 2500 calories and you desire to lose weight, you could:

1. Consume 2200 calories. (That's 300 calories less than this example diet), and
2. Burn 200 calories through activity, to result in a 2000-calorie diet!"

The quoted paragraphs came from here:  http://www.caloriecontrol.org/healthy-weight- tool-kit/weight-maintenance-calculator-men

FURTHER, by inputting your gender, age, height, current weight and goal weight, the calculator here on calorie count spits this out:

Calories Needed for Goal Weight Results

You should consume about 3,958 calories a day to reach your goal weight of 280 lbs . This is at a reasonable weight loss average of 1.5 lbs per week, which should be reached by October 08, 2012.

Experts recommend weight loss at the rate of 0.5-2 lbs/week. Remember that this estimate is based on your body weight, height, age, gender, and activity level. It may vary slightly depending on other factors.

Generally, women should not consume any less than 1,200 calories per day, and men should not consume less than 1,500 calories per day.

~~~~~~~~~~

I know you're fed up; I read that in your post...but you'll be setting yourself up for disaster at some point.  1000 is too little to survive on, literally.  You could lose muscle, you could injure your heart, which is a muscle.  You can listen or not listen, that's up to you, but there really is no reason to harm yourself by not eating enough to live. 

I'm supposed to consume 2100 calories also and 2500 w/ exercise....My question is how in the world am I gonna eat 2000 calories worth of healthy food?

Original Post by thecarlens:

To maintain your current weight at your age/activity level, male:  4158.2

I will interrupt the rest right now to wisely advise that if you're eating 1000 calories a day, and intensively active, you're going to harm yourself.  Your body needs fuel to make your heart beat, your lungs expand, your blood circulate, etc.  Your body needs a minimum input of calories simply while just "being" and doing nothing but existing. I know you understand that.

For your age and height alone, you require much more than 1000 just to exist.

Add to just existing, doing noting, relatively simple daily tasks...forget the exercise for now.  The caloric effort to live a regular usual day is more than 1000.   Now, lets add in your intensive exercise, and I give you this example:  your body is a car and you are taking it on a trip.  Would it surprise you when it is out of gas that it cannot go any further?   Would it surprise you if it ran out of oil that the engine could cease?  However, you will intentionally under feed your body, yet expect it to perform optimally?  You are asking a lot of yourself, at the expense of harming yourself.

You already know the above.  I know you know. 

Now, to quote how to lose weight from a reliable source:

"By consuming these calories on an average daily basis, you should maintain your weight. However, if you are looking to lose weight, here are some tips:

Most health professionals recommend slow weight loss as the safest and most effective approach. A sensible weight-loss program allows you to lose weight gradually -- about one-half to one pound per week. Gradual weight loss promotes long-term loss of body fat, not just water weight that can be quickly regained.

To lose one pound, a person must burn 3,500 calories more than are consumed (500 calories per day over the course of a week). For example, reducing calories by 300 per day and increasing daily activity to burn off an additional 200 calories should result in a weight loss of one pound per week.

Here is an example of how the calculator can help you. If your daily calorie needs were calculated as 2500 calories and you desire to lose weight, you could:

1. Consume 2200 calories. (That's 300 calories less than this example diet), and
2. Burn 200 calories through activity, to result in a 2000-calorie diet!"

The quoted paragraphs came from here:  http://www.caloriecontrol.org/healthy-weight- tool-kit/weight-maintenance-calculator-men

FURTHER, by inputting your gender, age, height, current weight and goal weight, the calculator here on calorie count spits this out:

Calories Needed for Goal Weight Results

You should consume about 3,958 calories a day to reach your goal weight of 280 lbs . This is at a reasonable weight loss average of 1.5 lbs per week, which should be reached by October 08, 2012.

Experts recommend weight loss at the rate of 0.5-2 lbs/week. Remember that this estimate is based on your body weight, height, age, gender, and activity level. It may vary slightly depending on other factors.

Generally, women should not consume any less than 1,200 calories per day, and men should not consume less than 1,500 calories per day.

~~~~~~~~~~

I know you're fed up; I read that in your post...but you'll be setting yourself up for disaster at some point.  1000 is too little to survive on, literally.  You could lose muscle, you could injure your heart, which is a muscle.  You can listen or not listen, that's up to you, but there really is no reason to harm yourself by not eating enough to live. 

 Thank you for your post, very informative, but what about the people we hear about all the time losing mass amounts of weight in relatively short space of time? I know of a man who in the space of 10 months shed 250lbs - and he did it through a legitimate, renowned weight-loss program.

If his health was genuinly at risk I don't see how the program could afford to aid him in that extreme weight-loss.

I did the same program btw, and it worked. I dunno what the calorie intake was but it was a strict diet combined with protein supplements to maintain muscle and taking a couple multivitamins and calcium vitamins per day - I lost 12lbs in three weeks, after that I had to stop because the protein supplements I mentioned, they were expensive and I couldn't afford to continue with it, they provided the supplements.

So as I said I don't understand how this company can legally continue to operate if all the risks mentioned about weight loss are genuine?

Original Post by moneymike23:

I'm supposed to consume 2100 calories also and 2500 w/ exercise....My question is how in the world am I gonna eat 2000 calories worth of healthy food?

That's the easy part! There are plenty of calorie-dense foods that are perfectly healthy: fatty fish like salmon and sardines, nuts and nut butters, olive oil, fresh red meat (stay away from the cured stuff), avocados, sweet fruits, potatoes and yams, coconut milk, unprocessed cheese, etc. They only become unhealthy if you eat too much of them!

By the way, I'm a small woman with an active lifestyle, and I regularly pack away 2000+ calories of healthy, unprocessed food. If I can fit those calories in, so can you!

Original Post by shayne88:

 Thank you for your post, very informative, but what about the people we hear about all the time losing mass amounts of weight in relatively short space of time? I know of a man who in the space of 10 months shed 250lbs - and he did it through a legitimate, renowned weight-loss program.

If his health was genuinly at risk I don't see how the program could afford to aid him in that extreme weight-loss.

I did the same program btw, and it worked. I dunno what the calorie intake was but it was a strict diet combined with protein supplements to maintain muscle and taking a couple multivitamins and calcium vitamins per day - I lost 12lbs in three weeks, after that I had to stop because the protein supplements I mentioned, they were expensive and I couldn't afford to continue with it, they provided the supplements.

So as I said I don't understand how this company can legally continue to operate if all the risks mentioned about weight loss are genuine?

Unfortunately, it's just not that simple. Losing weight is easy. Keeping it off is where it gets more complicated. IMO, the best way to ensure that you will be able to maintain your lower weight is to keep your metabolism nice and high and prevent losing muscle mass (so get adequate protein, do strength training, and keep your calorie deficit moderate), and don't do anything to lose weight that you can't see yourself doing for the rest of your life, so that you're losing weight and developing healthy habits at the same time.

And the risks are genuine...it's just had to prove in court, so these unscrupulous companies can still operate freely. For just one example, I'd recommend reading up on the LighterLife diet, which killed some people a couple years ago, and caused health problems for numerous others.

#13  
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Shayne, you asked about the 'legitimate and renowned' weight loss programs ...there are no laws that govern how much or how little you can or should eat. You can starve yourself or get in the record book as the heaviest person alive.

So these programs are legitimate businesses that aim to sell their products to the ones who are desperate and willing to hand over their money to lose weight.

Of course you will lose weight on a starvation diet - if you are willing to actually starve yourself. Millions of people in Somalia will tell you that this is hell, will kill you slowly while your teeth and hair will fall out and your organs shut down one by one.

'That is not what I am talking about' you would say. True. You would just starve yourself a little. Your body would react by going into starvation mode in order to prevent weight loss.

Do you know the whole story of the 250 lbs / 10 lbs weight loss guy ? For one, if you are morbid obese you lose way faster than a person who is just a bit overweight - that's what the 1% recommendations is about.

The biggest problem is not to lose weight - it's to keep it from coming back.

Studies have shown that their clients maintain 87% of their weight loss with regular follow ups.

I don't want to come across like I'm endorsing this program because I'm not, their protein supplement charges are ridiculous and in Ireland (I'm Irish btw) our economy is very poor at the moment and not many people can afford to fork out 60 euros ($80) every single week, especailly a 23 year old.

"Starvation" really is too strong a word, I said it was a "strict diet" but when you're morbidly obese I guess everything except stuffing your face is going to be categorised as strict. Its just eating when hungry basically.

On June 1, I started out at 6"2' and 308 lbs.  I'm 42.  My maintenance level of calories at that weight was about 3600, so I started eating 2500 per day, plus any extra calories I burned exercising.

In 3 months, I've lost 35 lbs.  All I do for exercise is walk about 30 minutes 5 days a week (and not always).  I never feel like quitting, I can still drink a couple of beers on Sunday afternoon, and I still eat steak from time to time.  It's all about moderation.

And for what it's worth, I went to see a dietician about a month into my weight loss, and she couldn't believe that I was losing weight eating 2500 calories and told me to lower my intake to 2000 at the most.  I ignored her advice.

Why suffer by starving yourself when you can eat quite a bit of food and still lose weight at a steady pace?

Original Post by huggybuggy69:

On June 1, I started out at 6"2' and 308 lbs.  I'm 42.  My maintenance level of calories at that weight was about 3600, so I started eating 2500 per day, plus any extra calories I burned exercising.

In 3 months, I've lost 35 lbs.  All I do for exercise is walk about 30 minutes 5 days a week (and not always).  I never feel like quitting, I can still drink a couple of beers on Sunday afternoon, and I still eat steak from time to time.  It's all about moderation.

And for what it's worth, I went to see a dietician about a month into my weight loss, and she couldn't believe that I was losing weight eating 2500 calories and told me to lower my intake to 2000 at the most.  I ignored her advice.

Why suffer by starving yourself when you can eat quite a bit of food and still lose weight at a steady pace?

I'm not suffering or starving man. As I said maybe its the increase of water or my mentality is good. This day last week I had Pasta Bake for dinner, a big bowl of it; lots of pasta, with sauce and lots of cheese, after learning some about calories in the last week I think that meal must've had ALOT - but then on Monday it was down to business; eating when hungry (the right food), drinking lots of water and getting good exercise.

I love that habit, could it be labelled as "suffering" if I genuinly enjoy it? Its such a massive change for me, believe me it really is so I have to give myself credit.

Many congratulations on your weight loss btw, it must feel great.

#17  
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Original Post by shayne88:

Original Post by huggybuggy69:

On June 1, I started out at 6"2' and 308 lbs.  I'm 42.  My maintenance level of calories at that weight was about 3600, so I started eating 2500 per day, plus any extra calories I burned exercising.

In 3 months, I've lost 35 lbs.  All I do for exercise is walk about 30 minutes 5 days a week (and not always).  I never feel like quitting, I can still drink a couple of beers on Sunday afternoon, and I still eat steak from time to time.  It's all about moderation.

And for what it's worth, I went to see a dietician about a month into my weight loss, and she couldn't believe that I was losing weight eating 2500 calories and told me to lower my intake to 2000 at the most.  I ignored her advice.

Why suffer by starving yourself when you can eat quite a bit of food and still lose weight at a steady pace?

I'm not suffering or starving man. As I said maybe its the increase of water or my mentality is good. This day last week I had Pasta Bake for dinner, a big bowl of it; lots of pasta, with sauce and lots of cheese, after learning some about calories in the last week I think that meal must've had ALOT - but then on Monday it was down to business; eating when hungry (the right food), drinking lots of water and getting good exercise.

I love that habit, could it be labelled as "suffering" if I genuinly enjoy it? Its such a massive change for me, believe me it really is so I have to give myself credit.

Many congratulations on your weight loss btw, it must feel great.

Come back and tell us how you're doing in a month.  We all say you're suffering because we've all tried what you're doing, and we know it doesn't work.  You can white knuckle it for a week or two, but what you're doing is a pretty sure way to get to 400 lbs, not 280.

Original Post by shayne88:

I'm not suffering or starving man. As I said maybe its the increase of water or my mentality is good. This day last week I had Pasta Bake for dinner, a big bowl of it; lots of pasta, with sauce and lots of cheese, after learning some about calories in the last week I think that meal must've had ALOT - but then on Monday it was down to business; eating when hungry (the right food), drinking lots of water and getting good exercise.

I love that habit, could it be labelled as "suffering" if I genuinly enjoy it? Its such a massive change for me, believe me it really is so I have to give myself credit.

Many congratulations on your weight loss btw, it must feel great.

Best of luck to you, hon.  Bear in mind, all the naysayers (and I'm one of them, to be honest) are only criticizing your diet because many of us have tried it, and had horrible results.  But you may be one of those rare, fortunate people who can manage to undereat for long periods without developing an ED or regaining the weight.  If you are, I commend you.

And if you struggle, we'll be here to help.  Good luck, and congratulations on making the effort to be at a healthy weight!

*sigh*

It seems as though you're really REALLY intent on losing weight rapidly.  Fine.  As a (soon to be) recovering anorexic, I have a lot of experience in that area, so I suppose I have some strategies to share with you...

  • Amputate a limb
  • Travel to the moon
  • Ingest a parasite

But seriously.  Don't start down that road.  I don't care how much you weigh, starvation diets are unhealthy.  My ED first began when I was OVERweight.  You'll feel crappy on that level of calories, regardless of your weight. 

After 6 days you feel fine......lol, sorry this is pretty funny. Someone at your age and weight isn't going to survive on boneless chicken breast, tuna and salad for very long........give it 6 weeks eating 1000 cals a day and you'll need more than water, the body is funny way, it won't let itself starve when there's food easily available to it's subservient brain.

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