Low Thyroid & High Cholesterol...Is There a Connection?

Dr. Shannon Evans, DO, IFMCP • April 23, 2021

Is an Under Active Thyroid Causing Your High Cholesterol?

Did you know that a low functioning thyroid can be a cause of high cholesterol?


How is this possible?

Your thyroid makes hormones that play an important role in the production of cholesterol and how your body gets rid of extra cholesterol that is not needed. If your thyroid is not functioning optimally or under active; your body is going to have difficulty breaking down and removing cholesterol—specifically LDL cholesterol.


Let’s Talk about Cholesterol…

Cholesterol gets a bad rap. Guess what? You need cholesterol to help form your cell membranes, aid in digestion, produce certain hormones and help make vitamin D. With everything in life, you need to have a healthy balance. This also applies to cholesterol; you need it, but not too much of it!

If your body has too much LDL cholesterol and your body is not able to easily get rid of this…it can wreak havoc. Especially, if the LDL cholesterol is small and sticky, it can get into arterial walls that can lead to plaque build up, and put you at risk for heart attacks or strokes.

Check out my blog on Heart Disease to learn more.


Knowing Your Whole Story!

This is why it is so important to know your whole story about how your thyroid is functioning! How do you learn about how your thyroid is functioning? Blood work is very helpful. Most of the time patients are only screened for low functioning thyroid or under active thyroid with a TSH, which is not your whole story. In order to get more of your story about your thyroid, checking a Free T4, Free T3 and thyroid antibodies are also important.


What does all of this lab work mean?



  • TSH (Thyroid stimulating hormone) is the signal that your brain gives to your thyroid to tell it to make thyroid hormones.


  • T4 is a thyroid hormone that your thyroid makes.


  • T3 is a thyroid hormone that your thyroid makes a little of, but most of your T3 occurs when your body breaks down the T4 to T3—which happens when an iodine molecule is removed, then every cell in your body can respond to T3.


  • Thyroid antibodies —the most common are thyroid peroxidase antibody and thyroglobulin antibody. These are antibodies that your immune system makes towards your thyroid. We do not want our own immune systems making antibodies towards our tissues including our thyroid! If this is happening, this can damage your thyroid!

If you have a low functioning thyroid, it not only can affect your cholesterol, but you can have lots of other symptoms! Check out my blog about Low Functioning Thyroid to learn more. also have symptoms.


So, to keep your heart healthy and decrease your risk of heart disease and/or stroke, it is important to know your thyroid and cholesterol status! If your thyroid and/or cholesterol is not optimal, it is important to get to the root cause!


If you are concerned about your thyroid or heart health schedule a FREE 15 minute Fix Your Thyroid Strategy Call with New Beginnings. Schedule online or email Staff@NewBeginningsFMC.com.



References:

https://link.springer.com/content/pdf/10.1007/s11886-004-0054-3.pdf

https://my.clevelandclinic.org/health/articles/11920-cholesterol-numbers-what-do-they-mean

https://www.endocrineweb.com/conditions/thyroid/how-your-thyroid-works

https://www.endocrineweb.com/news/thyroid-diseases/59757-hypothyroid-cholesterol-too-little-thyroid-hormone-too-much-cholesterol



By Dr. Shannon Evans, DO, IFMCP June 13, 2025
I am sure you know that diabetics pay close attention to their blood sugar or blood glucose levels. In my opinion, I think everyone should know if their blood sugar is balanced or not! First off, let’s talk about what your blood sugar level is: A blood sugar level or otherwise known as blood glucose is the amount of sugar or glucose in your blood. Sugar comes from carbohydrates in food and drinks you put into your body. Sugar or glucose is your body’s main source of energy. Your blood can carry sugar all over your body. Your liver can also release stored glucose, if your body needs some energy. How does your liver get glucose? Your liver can get the glucose you ate from your gut, specifically your intestines and then stores it. Your liver does so many important things and this is just one of many! What are the benefits to having a continuously balanced blood sugar level? •Great way to help with optimizing your health and healing your body! •Steady energy throughout the day. •Better focus and memory •Stable mood •Better sleep •Hormone balance including adrenals, thyroid and sex hormones •Stress resilience •Nervous system more balanced and less likely to be stuck in fight or flight mode •Organs functioning optimally •Optimal metabolism •Less inflammation •Improved immune function •Better resilience Testing to find out about your blood sugar level: 1- Finger stick test . You get a drop of blood from your finger, put the drop of blood on a test strip, then put the test strip in the glucose meter and within seconds you find out what your blood glucose is at that current point in time. 2- Lab draw taken from your vein . This also tells you at the current time what your blood sugar level is. This is more accurate than a finger stick test. 3- Hemoglobin A1c test . This can be obtained with a lab draw or finger stick test. This tells you what your average sugar level is for a 3 month period. What we are looking for with this test is how much sugar is hanging off of your red blood cells and this will give you a clue about your average sugar level for a 3 month period. For the typical person, your red blood cells last a total of 3 months in your body. 4- Continuous glucose monitor . You wear a sensor this is usually placed on the back of your arm for ~10-14 days to continuously measure your sugar level 24/7 using an app on your phone or a reader. What are the drawbacks to each test: 1-Finger stick test is not always accurate and is only giving you a one time snap shot of what your sugar level is doing currently. 2-Lab draw is pretty accurate but is also only giving you a one time snap shot of what your sugar level is doing currently. 3-Hemoglobin A1c test. It sounds like a great test because you are getting info about a three month period. But the problem is, you are getting the average, you are not seeing if there are highs or lows. 4-CGM (continuous glucose monitor). Not always accurate. Sensors sometimes malfunction. Certain things can throw off the readings such as going thru a metal detector, laying on your arm that has the sensor or being in a hot environment like a sauna, hot tub or bath. What is the best way to see if your blood sugar level is balanced? With the technology that is currently available, I am a big fan of continuous glucose monitors . This is a way we can get the most thorough data about what your sugar level is doing 24/7 for 10-14 days. You will be able to see if your blood sugar is actually balanced 24/7. This means you don’t want to see ups and downs. You want your blood sugar to be balanced—as close to a straight line as possible 24/7. You will also be able to see if certain foods raise your blood sugar. Guess what? In conventional medicine there is a list of foods that are suppose to increase your sugar level. What I have found partnering with patients and looking at their data from their CGMs is that every one is unique and an individual and responds differently to different foods. You will find out what foods increase your blood sugar levels. You will also be able to see how your body responds to simple and complex carbohydrates. For a lot of people, if you don’t have protein and some fat before eating carbs, this can also raise your blood sugar level and put your sugar level out of balance. The amount of carbs also matter. Some people can get away with eating more carbs than others. You will also get the answer about how much your body likes in terms of carbs. You will also get to see if you have any symptoms or your body feels a certain way, if you have low blood sugars or high blood sugars. In conventional medicine, there is a list of symptoms for low and a certain list of symptoms for high blood sugars—but guess what? You are an individual and unique, so your symptoms maybe different than what the “typical symptoms” are. If your body feels stressed, this also affects your blood sugar level. So if you get stressed or angry at someone, you will likely see your blood sugar level increase. If you are exercising too hard and it is too stressful on your body, you can also see an elevation in your sugar level. You may also not feel when you are high or low. What does having a balanced blood sugar look like based on the numbers? Conventional Medicine has outlined what the criteria is for blood sugar numbers that are in prediabetic range or diabetic range, which is helpful. My goal for you is to work towards optimal range for blood sugar levels and have a balanced blood sugar level 24/7, so your body can work optimal! Here is what I have found to be the best ranges for an optimal blood sugar level after working with patients over the years: Fasting blood sugar: 80’s to mid 90’s mg/dL. For some individuals, mid 70’s is optimal. After eating blood sugar or post prandial blood sugar level: I have found that the most optimized patients with a balanced blood sugar level increase their blood sugar no more than 10 mg/dL from their pre-meal blood sugar level. It is okay to have blood sugar level highest before bed even up to 100, since you will not be eating all night and don’t want your blood sugar level plummeting while sleeping. Studies are currently being conducted to figure out what the optimal levels of blood glucose levels should be. It has only been in the last few years that continuous glucose monitors have been available for non-diabetic patients, so as we learn more and continue to conduct more studies, eventually we will have better evidence and wisdom. What the current studies are showing is that optimal levels for fasting blood glucose should be less than 110 mg/dL and after eating the blood sugar should not increase more than 30 mg/dL from pre-meal blood sugar level. Just like everything in life, you don’t want too little or too much when it comes to your blood sugar level—you want it in balance! Are you concerned about your health or a loved one's health and not sure where to begin? Schedule a FREE 15 minute strategy call with New Beginnings. Schedule online or call 970-305-0101. References: https://my.clevelandclinic.org/health/diagnostics/12363-blood-glucose-test https://pmc.ncbi.nlm.nih.gov/articles/PMC5293555/ https://www.ncbi.nlm.nih.gov/books/NBK555976/ https://www.levels.com/blog/what-should-my-glucose-levels-be-ultimate-guide
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Dr. Shannon's Blog

By Dr. Shannon Evans, DO, IFMCP June 13, 2025
I am sure you know that diabetics pay close attention to their blood sugar or blood glucose levels. In my opinion, I think everyone should know if their blood sugar is balanced or not! First off, let’s talk about what your blood sugar level is: A blood sugar level or otherwise known as blood glucose is the amount of sugar or glucose in your blood. Sugar comes from carbohydrates in food and drinks you put into your body. Sugar or glucose is your body’s main source of energy. Your blood can carry sugar all over your body. Your liver can also release stored glucose, if your body needs some energy. How does your liver get glucose? Your liver can get the glucose you ate from your gut, specifically your intestines and then stores it. Your liver does so many important things and this is just one of many! What are the benefits to having a continuously balanced blood sugar level? •Great way to help with optimizing your health and healing your body! •Steady energy throughout the day. •Better focus and memory •Stable mood •Better sleep •Hormone balance including adrenals, thyroid and sex hormones •Stress resilience •Nervous system more balanced and less likely to be stuck in fight or flight mode •Organs functioning optimally •Optimal metabolism •Less inflammation •Improved immune function •Better resilience Testing to find out about your blood sugar level: 1- Finger stick test . You get a drop of blood from your finger, put the drop of blood on a test strip, then put the test strip in the glucose meter and within seconds you find out what your blood glucose is at that current point in time. 2- Lab draw taken from your vein . This also tells you at the current time what your blood sugar level is. This is more accurate than a finger stick test. 3- Hemoglobin A1c test . This can be obtained with a lab draw or finger stick test. This tells you what your average sugar level is for a 3 month period. What we are looking for with this test is how much sugar is hanging off of your red blood cells and this will give you a clue about your average sugar level for a 3 month period. For the typical person, your red blood cells last a total of 3 months in your body. 4- Continuous glucose monitor . You wear a sensor this is usually placed on the back of your arm for ~10-14 days to continuously measure your sugar level 24/7 using an app on your phone or a reader. What are the drawbacks to each test: 1-Finger stick test is not always accurate and is only giving you a one time snap shot of what your sugar level is doing currently. 2-Lab draw is pretty accurate but is also only giving you a one time snap shot of what your sugar level is doing currently. 3-Hemoglobin A1c test. It sounds like a great test because you are getting info about a three month period. But the problem is, you are getting the average, you are not seeing if there are highs or lows. 4-CGM (continuous glucose monitor). Not always accurate. Sensors sometimes malfunction. Certain things can throw off the readings such as going thru a metal detector, laying on your arm that has the sensor or being in a hot environment like a sauna, hot tub or bath. What is the best way to see if your blood sugar level is balanced? With the technology that is currently available, I am a big fan of continuous glucose monitors . This is a way we can get the most thorough data about what your sugar level is doing 24/7 for 10-14 days. You will be able to see if your blood sugar is actually balanced 24/7. This means you don’t want to see ups and downs. You want your blood sugar to be balanced—as close to a straight line as possible 24/7. You will also be able to see if certain foods raise your blood sugar. Guess what? In conventional medicine there is a list of foods that are suppose to increase your sugar level. What I have found partnering with patients and looking at their data from their CGMs is that every one is unique and an individual and responds differently to different foods. You will find out what foods increase your blood sugar levels. You will also be able to see how your body responds to simple and complex carbohydrates. For a lot of people, if you don’t have protein and some fat before eating carbs, this can also raise your blood sugar level and put your sugar level out of balance. The amount of carbs also matter. Some people can get away with eating more carbs than others. You will also get the answer about how much your body likes in terms of carbs. You will also get to see if you have any symptoms or your body feels a certain way, if you have low blood sugars or high blood sugars. In conventional medicine, there is a list of symptoms for low and a certain list of symptoms for high blood sugars—but guess what? You are an individual and unique, so your symptoms maybe different than what the “typical symptoms” are. If your body feels stressed, this also affects your blood sugar level. So if you get stressed or angry at someone, you will likely see your blood sugar level increase. If you are exercising too hard and it is too stressful on your body, you can also see an elevation in your sugar level. You may also not feel when you are high or low. What does having a balanced blood sugar look like based on the numbers? Conventional Medicine has outlined what the criteria is for blood sugar numbers that are in prediabetic range or diabetic range, which is helpful. My goal for you is to work towards optimal range for blood sugar levels and have a balanced blood sugar level 24/7, so your body can work optimal! Here is what I have found to be the best ranges for an optimal blood sugar level after working with patients over the years: Fasting blood sugar: 80’s to mid 90’s mg/dL. For some individuals, mid 70’s is optimal. After eating blood sugar or post prandial blood sugar level: I have found that the most optimized patients with a balanced blood sugar level increase their blood sugar no more than 10 mg/dL from their pre-meal blood sugar level. It is okay to have blood sugar level highest before bed even up to 100, since you will not be eating all night and don’t want your blood sugar level plummeting while sleeping. Studies are currently being conducted to figure out what the optimal levels of blood glucose levels should be. It has only been in the last few years that continuous glucose monitors have been available for non-diabetic patients, so as we learn more and continue to conduct more studies, eventually we will have better evidence and wisdom. What the current studies are showing is that optimal levels for fasting blood glucose should be less than 110 mg/dL and after eating the blood sugar should not increase more than 30 mg/dL from pre-meal blood sugar level. Just like everything in life, you don’t want too little or too much when it comes to your blood sugar level—you want it in balance! Are you concerned about your health or a loved one's health and not sure where to begin? Schedule a FREE 15 minute strategy call with New Beginnings. Schedule online or call 970-305-0101. References: https://my.clevelandclinic.org/health/diagnostics/12363-blood-glucose-test https://pmc.ncbi.nlm.nih.gov/articles/PMC5293555/ https://www.ncbi.nlm.nih.gov/books/NBK555976/ https://www.levels.com/blog/what-should-my-glucose-levels-be-ultimate-guide
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