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Old 03-28-2011, 06:47 AM   #11
John P. Walsh
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Ketosis alone, probably not. If you think of ketosis as a biomarker for glycogen depletion and very low insulin, it's a good indication that you have prime conditions for lipolysis (but not essential for it). As Darryl notes, that doesn't mean much for fat oxidation if you aren't taking in fewer calories than your body needs (but most people on Atkins do so spontaneously, at least at the beginning).

Note on terms: To lose fat you need to mobilize it (lipolysis) and burn it (oxidation).
As in calories in calories out? Bless me Father for I have sinned...
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Old 03-29-2011, 05:29 AM   #12
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I have already lost 3 pounds.
The initial rapid weight loss you get with any calorie restricted low carb diet is mostly glycogen and water. You're actually mobilising/oxidising fat at about the same rate as that guy who did the Twinkie diet.

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As in calories in calories out? Bless me Father for I have sinned...
Yep. If your energy intake is less than your energy output you'll lose weight regardless of what you eat or the macronutrient ratio of your diet with the amount of fat mobilised and oxidised being determined by the extent and duration of the caloric deficit.
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Old 03-29-2011, 10:47 AM   #13
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The initial rapid weight loss you get with any calorie restricted low carb diet is mostly glycogen and water. You're actually mobilising/oxidising fat at about the same rate as that guy who did the Twinkie diet.



Yep. If your energy intake is less than your energy output you'll lose weight regardless of what you eat or the macronutrient ratio of your diet with the amount of fat mobilised and oxidised being determined by the extent and duration of the caloric deficit.
Oh boy. Thanks anyway.
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Old 03-29-2011, 01:51 PM   #14
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Just to be clear, I believe LC works. The mechanism by which it works probably has nothing to do with ketosis, and more with the effects of protein on leptin and leptin sensitivity.

But yes, at the end of the day, it's calories in/calories out. That equation doesn't mean that all diets are equal at the end of the day; different dietary strategies have differing effects on leptin, insulin, and leptin and insulin sensitivity, which affect both how hard/easy it is to follow a diet.

On both a physiological and an self-experimental basis, the best strategy is a cyclic LC approach (i.e., high protein, low carb, low calorie with occasional postworkout high carb refeeds).
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Old 03-30-2011, 06:38 AM   #15
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But yes, at the end of the day, it's calories in/calories out.
This mean nothing. It's like saying that drinking a lot causes alcoholism.
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Old 03-30-2011, 08:16 AM   #16
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No, it's like saying drinking a lot causes drunkenness, but that statement has the same issue you are pointing to, which is that knowing and doing are two different things, particularly when there are physiological issues involved.

But back to your original question, you want ketosis. I provided two strategies to induce ketosis faster. I'll give you a third: LISS or weight training focused on glycogen depletion.
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Old 03-30-2011, 11:18 AM   #17
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On both a physiological and an self-experimental basis, the best strategy is a cyclic LC approach (i.e., high protein, low carb, low calorie with occasional postworkout high carb refeeds).
I found this to be how I've had my best results, ie. consistent strength gains with bodyfat reduction.
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Old 03-30-2011, 12:21 PM   #18
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No, it's like saying drinking a lot causes drunkenness, but that statement has the same issue you are pointing to, which is that knowing and doing are two different things, particularly when there are physiological issues involved.

But back to your original question, you want ketosis. I provided two strategies to induce ketosis faster. I'll give you a third: LISS or weight training focused on glycogen depletion.

Yes it’s precisely like that. If you eat too many calories you’ll gain weight is about as useful as saying that if you drink a lot of beer you’ll get drunk. OK…so now what? One it doesn’t tell me anything I don’t already know and two it doesn’t address the fact that I have gone on a caloric restricted diets and still gained weight or at least maintained an undesirable weight. As for training I have been at it most likely longer than you’ve been alive. I can say without reservation that exercise may have many benefits but weight loss is not one of them. So I guess the third time wasn’t a charm in your case but thanks for trying anyway Frenchy.
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Old 03-30-2011, 12:27 PM   #19
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Just to be clear, I believe LC works. The mechanism by which it works probably has nothing to do with ketosis, and more with the effects of protein on leptin and leptin sensitivity.

But yes, at the end of the day, it's calories in/calories out. That equation doesn't mean that all diets are equal at the end of the day; different dietary strategies have differing effects on leptin, insulin, and leptin and insulin sensitivity, which affect both how hard/easy it is to follow a diet.

On both a physiological and an self-experimental basis, the best strategy is a cyclic LC approach (i.e., high protein, low carb, low calorie with occasional postworkout high carb refeeds).

Can you elaborate more on leptin sensitivity?
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Old 03-31-2011, 07:31 AM   #20
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Well, I don't know about you, but when I eat, say, a ton of dry chicken breast, I have no appetite. My first foray into Atkins was high protein, and lots of weight loss; later I tried real ketosis (higher fat), and found it hard to sustain. My experiments with IF and high protein leave me satiated with half of maintenance! So for me, at least, there's some magic with protein and satiety. According to Taubes, the magic is low carb and the evils of insulin, but high fat, low protein should work better, and it doesn't, for me, at least.

That's all n=1 stuff, but there are some studies that support this (with diet, at least, n=1 is the only thing that counts but it's nice to know that it's not purely mental). Now, satiety is another way of saying better leptin sensitivity or higher leptin (or there's some other magic unknown hormone).

Here's what I know: strategies to manage leptin work for me; strategies to manage insulin don't. I don't really know what is going on physiologically: is it leptin, insulin + leptin, something else?

The best strategy for me (n=1) is IF + high protein/low carb with occasional post workout high carb refeeds. Leangains, in other words.

Lyle had a whole series on leptin on his site; it's a good read.
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