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05-22-2008, 07:11 AM
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#1 (permalink)
| | Super Moderator
Join Date: Nov 2005 Location: Tokyo, Japan
Posts: 24,790
5' 5"
Height:
|  The scoop on protein requirement
Okay, so....
I have managed to get my hands on a medical book published this year--Manual of Nutritional Therapeutics 5thEd. David H. Alpers et al.
p.586-Estimation of Recommended Daily Protein Intake.
Normal: g/kg IBW/day -- 0.75g (IBW=ideal body weight.)
Estimation of IBW for adults:
Woman with medium frame: 120lb for 5ft of height + 3lbs/in.
Man with medium frame:130lb for first 5ft of height + 3lbs/in.
Small frame: subtract 10lb from above.
Large frame: Add 10lb to above.
Even if you are 100kg now, if your ideal body weight is 70kg, then the calculation is 70x0.75, not 100x0.75.
FYI 1kg=2.2lb
I have listed only normal, because though the list has requirements for various medical conditions, there's none that weight loss surgery fits into.
Last edited by DocSanae; 05-22-2008 at 07:22 AM.
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05-22-2008, 03:35 PM
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#2 (permalink)
| | WLS Master Guru
Join Date: Apr 2007 Location: Southwest Virginia
Posts: 501
Weight Statistics June 12, 2007 Surgery Date:
5' 5"
Height:
330 lb Start Weight:
213 lb Current Weight:
180 lb Goal Weight:
117 lb Weight Loss:
33 lb Lb Left to Lose:
35.4545454545 % % Lost:
December, 2008 Goal Date:
Body Mass Index54.9088757396 BMI Start:
35.441183432 BMI Current:
29.950295858 BMI Goal:
Weight Loss MethodRoux en Y Gastric Bypass
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Ok, I have read this like 10 times and do not understand???
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05-22-2008, 04:01 PM
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#3 (permalink)
| | Seasoned Veteran
Join Date: Oct 2007 Location: North West, NJ
Posts: 2,707
Weight Statistics 1/14/2008 Surgery Date:
5' 10"
Height:
330 lb Start Weight:
235 lb Current Weight:
200 lb Goal Weight:
95 lb Weight Loss:
35 lb Lb Left to Lose:
28.7878787879 % % Lost:
Body Mass Index47.3448979592 BMI Start:
33.7153061224 BMI Current:
28.693877551 BMI Goal:
Weight Loss MethodRoux en Y Gastric Bypass
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I'm sorry Genmel - but that was funny!
I can't offer any help either since I'm the one that started this mess and caused all the confusion.
Maybe pm Doc Sanae.
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05-22-2008, 06:55 PM
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#4 (permalink)
| | Super Moderator
Join Date: Nov 2005 Location: Tokyo, Japan
Posts: 24,790
5' 5"
Height:
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Sorry it's kinda hard to decypher.
First off, you calculate from your ideal weight, not your present weight.
0.75g of protein per kilogram of your ideal weight.
1 kg=2.2lbs. 1lb=0.45kg
So, if your ideal weight (not your present weight, remember, unless you are actually there) is 60kg=132lbs, then 60x0.75=45g.
Now, keep in mind, this is your basic requirement. Depending on your phsycial condition--serious illness, pro athelete etc--the number goes up. With bypass, you have malabsorption, so adding 10-15% to that to be safe, is best.
To calculate your ideal weight, if you are 5' 5", then 120 + 3x5= 135lbs.
Just take note that your ideal weight may be lower than your goal weight, whether you set it or your surgeon set it. If the goal weight will put your BMI below 30, then you can consider that you've done pretty well. There is no need to try to get to the ideal weight, so I just hope this equation won't freak out any of you reading this.
REMEMBER, WHATEVER THE BASIC THEORIES IN THE MEDICAL WORLD, AND OUT ON THE INTERNET, THE MOST IMPORTANT THING, AND WHAT YOU NEED TO DO FIRST, IS TO FOLLOW YOUR SURGEON'S INSTRUCTIONS.
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06-20-2008, 10:05 AM
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#5 (permalink)
| | Newbie
Join Date: Apr 2008 Location: FT LAUDERDALE, FL
Posts: 6
Weight Statistics 11/01/07 Start Date:
11/01/07 Surgery Date:
6' 1"
Height:
343 lb Start Weight:
203 lb Current Weight:
175 lb Goal Weight:
140 lb Weight Loss:
28 lb Lb Left to Lose:
40.8163265306 % % Lost:
November 1, 2008 Goal Date:
Body Mass Index45.2484518671 BMI Start:
26.779696003 BMI Current:
23.0859448302 BMI Goal:
Weight Loss MethodRoux en Y Gastric Bypass
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I am reading it and I am not getting it
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06-21-2008, 09:24 AM
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#6 (permalink)
| | Seasoned Veteran
Join Date: May 2007 Location: minnesota
Posts: 5,595
Weight Statistics july 21, 2007 Start Date:
august 17, 2007 Surgery Date:
5' 6"
Height:
339 lb Start Weight:
177 lb Current Weight:
160 lb Goal Weight:
162 lb Weight Loss:
17 lb Lb Left to Lose:
47.7876106195 % % Lost:
Body Mass Index54.7100550964 BMI Start:
28.5654269972 BMI Current:
25.8218549128 BMI Goal:
Weight Loss MethodRoux en Y Gastric Bypass
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im totally lost!!!
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06-21-2008, 01:04 PM
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#7 (permalink)
| | Cub Reporter
Join Date: Oct 2007 Location: Oklahoma
Posts: 68
Weight Statistics November 9, 2007 Surgery Date:
5' 1"
Height:
217 lb Start Weight:
144 lb Current Weight:
130 lb Goal Weight:
73 lb Weight Loss:
14 lb Lb Left to Lose:
33.6405529954 % % Lost:
Body Mass Index40.9973125504 BMI Start:
27.2055898952 BMI Current:
24.5606019887 BMI Goal:
Weight Loss MethodRoux en Y Gastric Bypass
|  I think I got it
So, if I did my math right... My ideal body weight is 120 lbs. which translates to 50 Kg. Then I multiply 50 x .75 = 37.50 grams then I add 10-15% to that which means I need about 42 ish grams of protein a day.
Whew... that makes me very happy because I am good if I get 45 grams in a day.
Thanks for sharing this with us, Doc.
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11-05-2008, 03:28 PM
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#9 (permalink)
| | Seasoned Veteran
Join Date: Sep 2007 Location: Alabama
Posts: 4,019
Weight Statistics 9/28/07 Start Date:
9/28/07 Surgery Date:
5' 6"
Height:
279 lb Start Weight:
186 lb Current Weight:
175 lb Goal Weight:
93 lb Weight Loss:
11 lb Lb Left to Lose:
33.3333333333 % % Lost:
18 months Goal Date:
Body Mass Index45.0268595041 BMI Start:
30.0179063361 BMI Current:
28.2426538108 BMI Goal:
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Doc. I am COMPLETELY lost. According to those little charts, my ideal body weight is 137. Thank goodness, that's definitely not my goal, but can you PLEASE tell me, according to my ideal body weight, how much protein I should be getting in in a day? THANKS!!!!!!!
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11-05-2008, 09:30 PM
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#10 (permalink)
| | Super Moderator
Join Date: Nov 2005 Location: Tokyo, Japan
Posts: 24,790
5' 5"
Height:
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Christy, 137lbs converted into kilograms is approx. 62kg. So, 62 x 0.75 = 46.5g Add to this, 10-15% to account for the malabsorption loss. So, 46.5 + 4.65= 51.15g, 46.5 + 6.975 = 53.475g
However, if your surgeon requires you to get in at least 60gs, then 60gs it is for the rest of your life.  | |
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