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  #1   ^
Old Mon, Jun-09-03, 12:58
LadyBelle's Avatar
LadyBelle LadyBelle is offline
Resident Loud Mouth
Posts: 8,495
 
Plan: Retrying
Stats: 239.2/150.6/120 Female 5'2"
BF:
Progress: 74%
Location: Wyoming
Default Protien requirment

How important is it to stay within the formula for required protien. I know the body will turn excess protien into gluclose, but at what level of extra is bad?

According to the zone body fat calc I have 104 pounds lean mass and should have 77g protien. I usualy have protien in the upper 80's lower 90's.

The calc can be found at http://www.zoneperfect.com/Site/content/Calculator.asp
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  #2   ^
Old Mon, Jun-09-03, 13:20
red1cutie's Avatar
red1cutie red1cutie is offline
"Natural Mystic"
Posts: 5,905
 
Plan: Atkins
Stats: 178/108/120 Female 5' 1"
BF:45%/17%/15%
Progress: 121%
Location: T.O.
Default

If you want to preserve your lean body mass and not have your muscles being use for your body's requirements you should eat at minimum .6-1 g of protein for every 1 pound of lean body mass.

The more lean body mass you have the better because you would burn more calories.

I don't know what the levl is that would make the excess protein convert to glucose but since we get the mojority of our calories from fat on Atkins, IMHO, you should not be concerned.

You can use the zone's requirement for you minimum protein reguirement, it is about .74 (77g). Or the .6-1g for each pound of lean mass (the range is based on how active you are).

BTW, your goal weight of 115 with a lean body mass of 104 means your body fat has to be extremely low or you have to sacrifice lean body mass to achieve that goal.

115-104=11 would be the amount of pounds of body fat (if you keep that lean body weight). Your body fat% would have to be really low. 11/115=9.565% body fat.

Peace
red

Last edited by red1cutie : Mon, Jun-09-03 at 13:27.
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  #3   ^
Old Mon, Jun-09-03, 13:49
LadyBelle's Avatar
LadyBelle LadyBelle is offline
Resident Loud Mouth
Posts: 8,495
 
Plan: Retrying
Stats: 239.2/150.6/120 Female 5'2"
BF:
Progress: 74%
Location: Wyoming
Default

I think your right about 115 being to low. Everywhere I read though tells me for 5'2" I should be between 109 and 120. Some sites are more lenient then others. I havn't even gotten back into my weight lifting rutine yet either, so the lean may go up. I just am not sure what I should set for a body fat or weight goal. I'm just happy to be losing weight and inches. I really have to work on patience.
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  #4   ^
Old Mon, Jun-09-03, 13:56
red1cutie's Avatar
red1cutie red1cutie is offline
"Natural Mystic"
Posts: 5,905
 
Plan: Atkins
Stats: 178/108/120 Female 5' 1"
BF:45%/17%/15%
Progress: 121%
Location: T.O.
Default

Hi LadyBelle! When I first started Atkins my goal was to get back to 110 which is what I weight 2.5 years ago. Then someone "schooled" me on body fat. I learned that my lean body mass was 96lbs (I am 5 feet) and that at 110lbs I would probably eat away my lean body mass. So I decided 20% body fat would be good for me and I adjusted my goal.

At 120 lbs, my body fat 20% would mean 24 lbs of fat and 96 lbs of lean body mass.

Peace
red

Last edited by red1cutie : Mon, Jun-09-03 at 13:57.
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  #5   ^
Old Mon, Jun-09-03, 14:09
cc48510 cc48510 is offline
Senior Member
Posts: 2,018
 
Plan: Atkins
Stats: 320/220/195 Male 6'0"
BF:
Progress: 80%
Location: Pensacola, FL
Default

That calaculator says 153 lean body weight and 93g of Protein. I eat anywhere from just over 100g to just under 300g of Protein a day. I've even gone over 300g a few times...and despite what Anti-Protein folks say (as proven by me still being alive) 300g of Protein in not lethal.

As for excess...I don't think you have to worry about that...As Dr. Atkins said, Protein can be broken down into Glucose. But, I also read the Cordain's Paleo Diet and it states that your body exerts more energy breaking down Protein than it gets from it. It does seem to be true...When I eat lots of lean meats I lose more than when I eat fatty meats, even at the same caloric intake. Right now my numbers are:

2151 Calories
106g Fat (46%)
44g Sat. Fat (19%)
12g Poly Fat
36g Mono Fat
15g Carbs (2%)
3g Fiber
22g Protein (51%)

2222 Calories
131g Fat (55%)
52g Sat. Fat (22%)
8g Poly Fat
54g Mono Fat
14g Carbs (2%)
3g Fiber
232g Protein (43%)
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