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  #1  
Unread 01-15-2017, 11:45 AM
Trainer294 Trainer294 is offline
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Default I Can't Believe How Much Low Thyroid Is Affecting Weight Loss!

I am training a 20 year old Cat 3. She is 5'3 200lbs.

Her diet has been on for 3 months and She has dropped about 5 lbs. On RFL. She was a beginner and she has made good strength progress and her body composition has changed but the scale has not moved nearly enough as would be expected.

About 2 months in she has a checkup with her doctor and find out that her thyroid is very low. Even after medicating for a month nothing has really happened with weight but the checkup revealed she needs a way higher dose.

I could not believe how much a low thyroid would slow down weight loss. Is there any studies that show how much it could actually slow down? From looking at this person it looks like the daily calorie maintenance could drop like at least 50%.
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  #2  
Unread 01-15-2017, 12:05 PM
Determinism Determinism is offline
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She probably misreports her food intake as well.
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  #3  
Unread 01-15-2017, 01:21 PM
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zLeeKo zLeeKo is offline
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Quote:
Originally Posted by Determinism View Post
She probably misreports her food intake as well.
This is almost always the case.
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  #4  
Unread 01-15-2017, 01:26 PM
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zLeeKo zLeeKo is offline
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"I swear I took 1 tbsp of PB."

pb.jpg
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  #5  
Unread 01-15-2017, 04:07 PM
Raquel130 Raquel130 is offline
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If she's been diagnosed with hypothyroidism, she really should not be messing around with any type of low-carb diet. Just google low carbs and hypothyroidism, there's plenty of info suggesting it's a contributing factor.

https://www.dietvsdisease.org/low-carb-hypothyroidism/

And I'm not sure why, but it seems women are more susceptible. When I used to do low-carb paleo/primal a few years ago, I developed an intolerance to cold, which is a symptom of thyroid problems. I was in the 150s at the time and struggled to lose as well.

If I were her, I'd increase carbs to moderate levels (and re-check labs) and just focus on the overall deficit. At 200 lbs, with some activity, she's got room to create a sizable deficit while eating a reasonable amount of food. Have her try the Flexible Diet approach.

Plus, we already know that as long as there's a deficit, you can lose weight on ANY diet regardless of macros right? So why put her health in jeopardy when she doesn't need to?
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  #6  
Unread 01-15-2017, 06:29 PM
lylemcdonald lylemcdonald is offline
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Quote:
Originally Posted by zLeeKo View Post
This is almost always the case.
Except that in this case she is diagnosed as hypothyroid and this can profoundly impact on RMR
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  #7  
Unread 01-15-2017, 06:30 PM
lylemcdonald lylemcdonald is offline
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Quote:
Originally Posted by Raquel130 View Post
If she's been diagnosed with hypothyroidism, she really should not be messing around with any type of low-carb diet. Just google low carbs and hypothyroidism, there's plenty of info suggesting it's a contributing factor.

https://www.dietvsdisease.org/low-carb-hypothyroidism/

And I'm not sure why, but it seems women are more susceptible. When I used to do low-carb paleo/primal a few years ago, I developed an intolerance to cold, which is a symptom of thyroid problems. I was in the 150s at the time and struggled to lose as well.

If I were her, I'd increase carbs to moderate levels (and re-check labs) and just focus on the overall deficit. At 200 lbs, with some activity, she's got room to create a sizable deficit while eating a reasonable amount of food. Have her try the Flexible Diet approach.

Plus, we already know that as long as there's a deficit, you can lose weight on ANY diet regardless of macros right? So why put her health in jeopardy when she doesn't need to?
If she is on meds/true hypothyroid, it's not a lowcarb issue
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  #8  
Unread 01-16-2017, 02:05 AM
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zLeeKo zLeeKo is offline
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What's her dosage? Usually it's 25-50mcg which is considered replacement dose. Bodybuilders call it baby dose.

I hope it's T3 medication (or in conjuction with T4), because T4 alone sucks.

This is interesting study, showing effects of 30mcg of T3 and 100mcg of T4 on RMR: https://www.ncbi.nlm.nih.gov/pubmed/3959900

Quote:
Originally Posted by lylemcdonald View Post
Except that in this case she is diagnosed as hypothyroid and this can profoundly impact on RMR
I know, I just wanted to put the peanut butter picture.
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  #9  
Unread 01-16-2017, 02:10 AM
Determinism Determinism is offline
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Quote:
Originally Posted by zLeeKo View Post
I know, I just wanted to put the peanut butter picture.
Yeah, thanks for the picture. I'm intermittent fasting
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  #10  
Unread 01-17-2017, 06:08 AM
clubmanager clubmanager is offline
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OK, why is she even on RFL? I asked here about doing it and was told I'm too fat.
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