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Tag: rt3

Cyclic Ketogenic Diet and Thyroid Hormone

Posted on January 7, 2014February 18, 2015 by BJJ Caveman

Thyroid GlandCyclic Ketogenic Diet and Thyroid Hormone

Brief Summary:

Recently I completed a 10 week experiment doing a variation of a cyclic ketogenic diet called the Carb Nite Solution, which basically entails eating strict low carb (less than 30 gm per day) with one 6-8 hr window of massive carb loading per week.  At the end of this experiment, before going on a trip to Italy, I had a series of fasting labs drawn.

So far we’ve looked at my:

  • Vitamin D
  • Testosterone
  • Markers of glucose control: HbA1c, Fructosamine, Fasting Insulin

I’d now like to explore my thyroid hormone levels (if you want to learn more about the basics of thyroid physiology I go into it briefly in one of my earlier posts).… Read More

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The Effect of a Ketogenic Diet on Thyroid Hormone Part 2

Posted on June 15, 2013October 9, 2014 by BJJ Caveman

ThyroidIn light of the recent discoveries during my n=1 experiment with nutritional ketosis regarding my cholesterol (Part 1, Part 2, Part 3), thyroid hormone (Part 1), and skin rash, I decided to take a break from nutritional ketosis to see what would happen.

We’ve already seen that the addition of carbs back into my diet made my rash go away (it’s been a few months out and still no rash, yay!).

I took another blood test to see if my thyroid hormone levels would change.  … Read More

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The Effect of a Ketogenic Diet on Thyroid Hormone

Posted on April 28, 2013March 29, 2016 by BJJ Caveman

ThyroidDuring my most recent cholesterol blood work, I also checked my thyroid hormone levels in an effort to figure out why my cholesterol has gotten so high while I’ve been in nutritional ketosis.

One of the possible explanations was that:

Chronic low carb -> Hypothyroidism (low T3) -> Decreased expression of LDL receptors in the liver -> Higher serum cholesterol

Background – Here is an oversimplified explanation of thyroid physiology

  • Thyroid Stimulating Hormone (TSH) – This is the hormone your brain sends out telling your thyroid gland to produce more thyroid hormone.  
… Read More
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