Stop the Low-Cal Insanity!

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  • Sarauk2sf
    Sarauk2sf Posts: 28,072 Member
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    We’ll assume she needs 0.4 grams of fat per pound of target body weight. Again, that number is in some dispute, and many experts say you can get by just fine on less, but I’m going to use it for our example. With a target body weight of 140 pounds, she needs 80 grams of fat per day. Since each gram of fat is 9 calories, that’s 720 calories of fat. Adding this to her required 560 cals of protein yields 1280 calories. That’s right – she’s already over 1200 calories and she hasn’t eaten a single carb yet.


    Okay, I love this post, but please help me here. Are we actually supposed to get 0.4 grams of fat per pound of target body weight? Because when I multiply 0.4 x 140, I get 56 grams of fat. Which equates to 504 calories from fat. Is this correct, or did I just forget how to math?

    The general recommendation is between about 0.3 and 0.4g per lb of total body weight. I split the difference and go for 0.35g. Your math is correct. However, I have never seen it expressed as target body weight - just actual (current) body weight.
  • geekyjock76
    geekyjock76 Posts: 2,720 Member
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    I definitely wouldnt say I have an eating disorder... In the last 3 days I have ranged between 538-920. Simple fact is I am not hungry alot of the time. I would hate to see what my body fat % would be. At a guess I would say 20%
    I would recommend getting your leptin concentration levels checked by an endocrinologist twice, a few months apart, if you've been eating that little and you are strictly using hunger to determine if you are meeting your energy needs. I'm willing to bet those levels are far lower than your optimal baseline which is causing you to falsely believe you are full when you truly are not. You should never use hunger when assuming a chronic calorie deficit or else you will feel full on less and less over time and will not be meeting your energy needs.
  • Jade_Aus
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    Hmmm... Low-cal ... sounds like the 1200 debate once again...

    That is an interesting example the OP gave, 140lbs of LBM. My DXA scan shows I have a little less then 104 lbs, which means my BMR is around 1380.

    There is no one size fits all. There is way to much judging of others on this site.

    1200 is such a stupid number to get stuck on. What you need to eat for a deficit is relative to your RMR. If you are short you really don't have much room for up compared to the 1200. If you are taller you will have a higher RMR and can go up or down and still be in a deficit (way above 1200) so you can lose no matter what. All that matters is a calorie deficit.

    To tell everyone eat more is wrong.

    To tell everyone to eat less is wrong.

    To find the exact amount of calories for you to be in a sustainable calorie deficit is correct. Some people can handle a deeper calorie deficit than others. Some people have emotional eating disorders and it comes into play. Even a small deficit puts your body in a state of flux with hormones and such and everyone is different.

    You just need to find the correct calories for YOU to be healthy and sustainable and still lose weight. It might require some experimentation and tremendous patience. You can always notch up and down by 100 until you find what is sustainable and still allows you to lose weight.

    Too many changes at once can be hard on some people. I've always eaten healthy so it easy for me to simply eat less. Eating at a calorie deficit is hard on people; even a small deficit puts your body in a state of flux with hormones and such. Everyone is different. Some people can handle a deeper calorie deficit than others, this is not right or wrong, it just is. Stress in your life affects your hunger hormones; lack of sleep, fatigue, job stress, family stress, financial stress, etc. Add in emotional eating issues and it gets even more complicated. Most people can only handle so much change/stress at once, they try to do too much and fail. Sometimes it might be a better strategy to eat at maintenance and make some small changes first, it really depends on how much stress you are taking in at the moment.

    If you have emotional eating issues than you are not going to be able to handle such a deep deficit and if you eat to low it will backfire. A better strategy is to eat at a shallower deficit, and sometimes give yourself a break from the deficit and eat at maintenance. This is not going backwards, but eating to low and then binging because you can't sustain it is going backwards. It's better to stay forwards even if it is slower. The tortoise wins this race in the end.

    There is no mystery to weight loss, everyone thinks something is wrong, their metabolism is broken, they have low thyroid, they have menopause or whatever issue, they are as unique as a snowflake, whatever. I thought a lot of these things once too but once the doctor helped resolve the health issues for me I learned there is still no magic pill. Most people eat more than they need to and are not at good at estimating calories as they think they are. Most people have a lower BMR than they think they do. The only way to know for sure is to go to a lab and have it tested. It doesn't seem fair to have to eat less and feel a little hunger. It's hard to face the truth of it, very hard. It's not fun. It's drudgery at times. But if you learn to enjoy your smaller amounts of food (necessary to lose weight, since the reason we got fat in the first place was eating too much whether we knew it or not), and rejoice in your victories it can be done.

    If I listened to my doctor, I would be on a no carbs, sugar or fat diet. She never stopped to ask what kind of foods I eat. I have always been a solid girl.. I learnt to embrace that and began weight training My healthy weight for me at 155cms (5"1) is 60kgs. I have spent 16 years training in martial arts and weight training and have large muscle mass. I trained 2-3 times a day and was not eating much more than I do now so I would assume I was eating around 1200 - 1500 calories a day.
    Due to life and injuries I only train now 3-4 a week. I have been told it could be a thyroid problem or diabetes (Its not I have this checked). Then I was told my metabolism is used to being at a peak level, now I am not training as much it is not working at it's peak as before. I am not eating between 600 and 900 calories a day. I have no idea what else I can do to help lose weight.
  • erinblaze86
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    We’ll assume she needs 0.4 grams of fat per pound of target body weight. Again, that number is in some dispute, and many experts say you can get by just fine on less, but I’m going to use it for our example. With a target body weight of 140 pounds, she needs 80 grams of fat per day. Since each gram of fat is 9 calories, that’s 720 calories of fat. Adding this to her required 560 cals of protein yields 1280 calories. That’s right – she’s already over 1200 calories and she hasn’t eaten a single carb yet.


    Okay, I love this post, but please help me here. Are we actually supposed to get 0.4 grams of fat per pound of target body weight? Because when I multiply 0.4 x 140, I get 56 grams of fat. Which equates to 504 calories from fat. Is this correct, or did I just forget how to math?

    The general recommendation is between about 0.3 and 0.4g per lb of total body weight. I split the difference and go for 0.35g. Your math is correct. However, I have never seen it expressed as target body weight - just actual (current) body weight.

    Oh yes! I bet she meant TOTAL body weight. Thanks for clearing that up!
  • millerll
    millerll Posts: 873 Member
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    We’ll assume she needs 0.4 grams of fat per pound of target body weight. Again, that number is in some dispute, and many experts say you can get by just fine on less, but I’m going to use it for our example. With a target body weight of 140 pounds, she needs 80 grams of fat per day. Since each gram of fat is 9 calories, that’s 720 calories of fat. Adding this to her required 560 cals of protein yields 1280 calories. That’s right – she’s already over 1200 calories and she hasn’t eaten a single carb yet.

    Okay, I love this post, but please help me here. Are we actually supposed to get 0.4 grams of fat per pound of target body weight? Because when I multiply 0.4 x 140, I get 56 grams of fat. Which equates to 504 calories from fat. Is this correct, or did I just forget how to math?

    Ding ding ding! We have a winner! You are correct - I DID make a math error. Good catch. My apologies for that. So let's fix it:

    She already had 560 cals of protein. Add in the 504 fat cals, and she's up to 1064. That's STILL more than the 700-900 cals she's eating, and she STILL hasn't eaten any carbs. She should eat 34 grams of carbs, minimum, if she wants to hit the magic 1200 cal requirement. But regardless of whether you put any stock in the 1200 cal requirement, she still needs to eat more than she's eating. How much more is, obviously as seen here, open to much debate, but more nonetheless.

    ETA: Steve's article recommends 0.4 grams of fat per pound of target body weight, so that's what I used.
  • gabriellejayde
    gabriellejayde Posts: 607 Member
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    the problem here is that when someone posts that they eat 1200 calor everyone immediately jump on to say that's not enough withou everyone immediately jump on to say that's not enough without knowing their body mass index, heigjt, weight, or their activity level. Most importantly very few people ask what the posters goals are. we are not all trying for the same thing.
  • tinagn
    tinagn Posts: 72 Member
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    Honestly, upping my calorie intake was the best decision, I ate at 1200 calroies for about 3 weeks, sometimes even less because I didn't eat back exercise calories, I did lose weight, but I was feeling crankier and moodier.
    I've upped my intake by 400 after finding out my TDEE and bmr, and I'm eating back my exercise calories, I'm hardly ever hungry (and when I am I eat,haha) and I'm still loosing weight! I cannot comprehend how I used to live off merely 1200.
  • crazytreelady
    crazytreelady Posts: 752 Member
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    I thought these threads would have died already, but they have not....

    Low cal diet? GOOD FOR YOU

    High cal diet? GOOD FOR YOU

    Is the amount of calories some one across the country eats really affecting you?

    No, no it is not.
  • florymonde
    florymonde Posts: 261 Member
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    Perhaps half of the confusion is with the MFP calorie estimator. It's ridiculously low!

    Perhaps it is more accurate for some ranges than others. I'm ~220, 5'8", female, "lightly active" and it put me at 1820 calories a day for slow weightloss. And, to be frank, if I leave the desserts out of my normal diet, I come in under 1820 easily, so that seems to be a very good estimate for me. (I find I'm cutting out the breads/pastas/potatoes so I can still have the occasional dessert!)

    Now, I admit, I don't understand why so many people (including males taller and heavier than I) seem to have a daily calorie limit so much lower than mine!
  • tinagn
    tinagn Posts: 72 Member
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    Perhaps half of the confusion is with the MFP calorie estimator. It's ridiculously low!

    Perhaps it is more accurate for some ranges than others. I'm ~220, 5'8", female, "lightly active" and it put me at 1820 calories a day for slow weightloss. And, to be frank, if I leave the desserts out of my normal diet, I come in under 1820 easily, so that seems to be a very good estimate for me. (I find I'm cutting out the breads/pastas/potatoes so I can still have the occasional dessert!)

    Now, I admit, I don't understand why so many people (including males taller and heavier than I) seem to have a daily calorie limit so much lower than mine!


    No matter what you punch in for your activity level or age or weight etc, If you put down that you would like to lose 2 pounds a week, MFP sets 1200 as your calories intake
  • Dave198lbs
    Dave198lbs Posts: 8,810 Member
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    No matter what you punch in for your activity level or age or weight etc, If you put down that you would like to lose 2 pounds a week, MFP sets 1200 as your calories intake

    u joking? this isnt true
  • kmcintyre57
    kmcintyre57 Posts: 109 Member
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    and I find it annoying how ppl eating 2000 and losing come and try to ¨teach¨ people like if they were a fitness guru.

    Yes I eat 1200 cal a day, yes im a shorty, and no i wont eat more than that cause I stop losing thank u.

    If you eat 2000 and you lose, GREAT for you :drinker: , if I eat 1200 and lose, GREAT for me :drinker: . What works for you doesnt work for me and viceversa. To each their own, do your thing and stop worrying/complaining about what other people do.

    Totally agree, i get tired of hearing from all the "experts" that tell me what works for my body. I don't knock anyone that eats a lot if that works for them. I choose to do what works for me, not what works for someone else!! Why would anyone get annoyed because someone does what works for them. Everyone is different.
  • Mads1997
    Mads1997 Posts: 1,494 Member
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    I'm afraid it's not a one size fits all approach. I'm eating 1300 and I'm 5'10- 94kg BUT my BMR is very low compared to what all the online calculators say. Because of this I was eating too much and not losing. I am now listening to the advice of my dietician. So to the OP just get on losing your weight and leave those on lower cals to travel their own road.
  • mfpcopine
    mfpcopine Posts: 3,093 Member
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    :flowerforyou:
    and I find it annoying how ppl eating 2000 and losing come and try to ¨teach¨ people like if they were a fitness guru.

    Yes I eat 1200 cal a day, yes im a shorty, and no i wont eat more than that cause I stop losing thank u.

    If you eat 2000 and you lose, GREAT for you :drinker: , if I eat 1200 and lose, GREAT for me :drinker: . What works for you doesnt work for me and viceversa. To each their own, do your thing and stop worrying/complaining about what other people do.

    :flowerforyou:
  • geekyjock76
    geekyjock76 Posts: 2,720 Member
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    So many people here have chronically restricted calories for so long their adjusted RMR and TDEE is so far from baseline. Then when they make use of prediction formulas, their decreased energy needs are so far off they start to believe that their current intake is what they truly need. Although it's true those formulas may be inaccurate, by people sabotaging their endocrine system, they're making it unnecessarily more difficult and stressful than needed.
  • stroutman81
    stroutman81 Posts: 2,474 Member
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    Did you read the whole article? There is nothing wrong with a 1200 calorie diet if that is a reasonable deficit from your DEE.

    Quote from the article:

    *Remember that 1,200 calories would be a large deficit for an obese person. Lighter folks have much lower daily energy costs, all things constant, and for some, 1,200 calories would not be unreasonable.

    It's a great article.
    In order for it to be a reasonable deficit from TDEE youd have to be very small, old, little activity or post GBS.
    I've done 100s of numbers and only came across 1 person who fits this.
    A sedentary old woman whos about 4'11".......

    That's interesting. Who do you typically train? Keep in mind when I wrote what I wrote in the article, I had the outliers of lean women trying to get leaner that I've worked with in mind. I've handled the training and diets for a number of figure competitors and models.

    In my time doing what I do for a living, I definitely haven't found it as rare as you... which is why I'm curious about your typical client... if you don't mind.

    I mean, using very rough estimates and generalities, 14-16 cals/lb is a ball park for maintenance/tdee for exercising folks who aren't obese.

    Take a 120 lb woman.

    This would put her at around 1800 for maintenance.

    A reasonable deficit might be 35% off of maintenance. In fact, the sweet spot for most of my clients for fat loss tends to fall around 10 cals/lb. So in this hypothetical example, she'd be at around 1200 for fat loss. Granted, if she was doing mass amounts of cardio, I'd up the cal intake. But if she was training under me... she wouldn't be doing that. In addition, her plan would be much more involved than worrying about solely calories. Nutrient breakdown and timing would be heavily focused on as well.

    I'll also say that I'm generally an advocate of eating as much energy as possible while still maintaining a reasonable rate of fat loss... so I'm by no means promoting low calorie diets. It's a simple fact though... the smaller folks are, the lower their energy allotments are.
  • Mads1997
    Mads1997 Posts: 1,494 Member
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    So many people here have chronically restricted calories for so long their adjusted RMR and TDEE is so far from baseline. Then when they make use of prediction formulas, their decreased energy needs are so far off they start to believe that their current intake is what they truly need. Although it's true those formulas may be inaccurate, by people sabotaging their endocrine system, they're making it unnecessarily more difficult and stressful than needed.

    I never ate low before i ate anywhere from 1500 to 1900 cals so your theory is not correct in my case. I also have bradycardia ( low resting heartrate 38-40 due to medication.

    So again there are reasons for people eating low and it really should not be of anyone elses concern.
  • williamjmckenzie
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    I've always heard that the lowest one should ever go unless fasting for spiritual purposes is 1200 calories. This is the minimum ammt of calories that the body needs to survive. I know a lot of people who do the HCG and starve themselves half to death, WELL DUH, if you don't eat you will lose weight but as soon as you eat again where does it go, back on your gut or your tush (sometimes both).
  • williamjmckenzie
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    Also, losing weight should be about feeling better, not about quantum mechanics and higher level math. Keep it simple, what works for you works for you. If you can survive on 1200 cal, great. I cannot, i get all moody and mean. 1650 seems to be a good place for me unless I'm on an extreme hungry day.
  • geekyjock76
    geekyjock76 Posts: 2,720 Member
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    So many people here have chronically restricted calories for so long their adjusted RMR and TDEE is so far from baseline. Then when they make use of prediction formulas, their decreased energy needs are so far off they start to believe that their current intake is what they truly need. Although it's true those formulas may be inaccurate, by people sabotaging their endocrine system, they're making it unnecessarily more difficult and stressful than needed.

    I never ate low before i ate anywhere from 1500 to 1900 cals so your theory is not correct in my case. I also have bradycardia ( low resting heartrate 38-40 due to medication.

    So again there are reasons for people eating low and it really should not be of anyone elses concern.
    Then exclude yourself from the conversation and exit.