Gallbladder Function Requires a Healthy Thyroid

January 29, 2018 | Linda J. Dobberstein, Chiropractor, Board Certified in Clinical Nutrition

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Gallbladder Function Requires a Healthy Thyroid
Millions of Americans have heard the words “You have gallstones and need gallbladder surgery”. Gallstones don’t just happen overnight. They silently develop over the course of months and years from various stressors and compromised function. The occurrence of gallstones and gallbladder dysfunction in most cases should not have to resort to the loss of a body part. The opportunity exists to help keep the gallbladder healthy before it reaches the point of severe disease and removal of the organ. One health concern that may unknowingly lead to gallstone formation is impaired thyroid function.

An estimated 10-12 percent of American adults have gallstones. Many do not have active symptoms but have “silent stones”. When symptoms do occur, it may be felt as abdominal pain over the right lower ribcage in line with the nipple. It may refer to the back and right shoulder blade area. Nausea and vomiting may occur, especially after a high-fat meal. The pain is often worse at night and may last for 30 minutes to several hours. In more severe cases there may be inflammation or even infection of the gallbladder. Liver and pancreas inflammation may also occur with severe disease.

Gallstones may be stuck in the gallbladder initially as sludge and then develop into impacted stones. Stones may also occur within the common bile duct. The common bile duct is a small tube that connects the gallbladder to the upper part of the small intestine which allows the passage of bile from the liver to the small intestine. In about 10-15 percent of individuals with gallstones, the stones get stuck in the common bile duct and are then called common bile duct stones. Hypothyroidism is a significant reason for gallstones and especially common bile duct stones.

Thyroid Hormone Needed for Bile Flow


Thyroid hormone significantly affects gallbladder metabolism and physiology. When the thyroid gland is underactive, even by just a little bit, it impacts bile acid flow and the gallbladder by several means. One region in gallbladder physiology in particular depends on adequate thyroxine or T4 thyroid hormone. A muscular valve or sphincter called Sphincter of Oddi controls the flow of bile and other digestive juices through ducts from the liver and pancreas into the first part of the small intestine. Relaxation or opening of the sphincter is dependent upon T4 thyroid hormone. If there isn’t enough T4 to trigger thyroid hormone receptors located in the area, then the muscular valve doesn’t fully relax. This prevents or delays emptying of the bile duct and bile starts to crystalize and become gallbladder sludge or stones.

Thyroid Lab Findings


Recent analysis of lab findings showed TSH values over 6.0 mU/liter and women older than 60 years of age were nearly 25 percent more likely to experience bile duct stones. Those who had a TSH value of 5.0 – 6.0 were still at higher risk and incidence of stones than those who had normal TSH levels. In clinical hypothyroidism, TSH levels are elevated and free T4 levels are decreased. In subclinical hypothyroidism, TSH levels are slightly above the normal range and free T4 levels are within the lab reference range. Regardless of lab values, it is recommended that anyone with common bile duct stones be evaluated for hypothyroidism, due to the higher prevalence of hypothyroidism in common bile duct stones than those who have stones in the gallbladder.

Slow Thyroid Function Leads to Congestion


Sluggish thyroid function causes increased gallstones and common bile duct stones in other ways too. Insufficient thyroid hormone decreases cholesterol metabolism within the liver. This leads to increased levels of bile and cholesterol that saturates the liver and gallbladder and over time overwhelms the ducts much like congested rush hour traffic.

Simultaneously, gallbladder contraction slows down and the natural ebb and flow of filling and release of bile acids is compromised. Due to the lack of flow, the bile-cholesterol combination builds up as crystals and sludge which eventually compacts and solidifies into gallstones and/or common bile duct stones.

Mixed in the midst of this, is the Sphincter of Oddi muscle that relies on thyroxine/T4. If the sphincter doesn’t relax, then bile acid secretion is impaired. So an increase in cholesterol bile build-up, sluggish flow, and impaired sphincter relaxation leads to the development of gallbladder sludge and stones occur with minor thyroid changes.

If thyroxine/T4 hormone therapy is provided, researchers note that there is still risk of common bile duct stone formation with long-standing hypothyroidism because of the chronic congestion. This makes prevention and proactive gallbladder and thyroid support a priority and easier to accomplish than cleaning up a long-standing difficulty.

Who’s At Risk?


Women are twice as likely as men to experience gallstones. About 25% of women over the age of 60 have gallstones. Women have a higher rate of gallstones which may be related to a higher incidence of thyroid concerns, pregnancy, estrogen and estrogen-based medications. It used to be thought that gallstones were primarily a concern for women in their 40’s, 50’s and 60’s, but the pattern is shifting. Gallbladder problems have been occurring earlier in life even in children, teenagers and those in their 20’s. It correlates with the rising incidence of obesity and diabetes. Autoimmune thyroid disorders have been on rise which often occurs with obesity and diabetes.

Too rapid weight loss and gastric by-pass surgery also contribute to gallstone development. Healthy weight loss should be 1-2 pounds per week. If your New Year’s resolution has led you on a journey invoking rapid weight loss, watch out as you may end up with a bigger gallbladder problem.

There are certainly many other factors like estrogen dominance and medications that contain estrogen, that influence gallbladder function. Proton pump inhibitors or acid blocking medications also increase the risk for gallstones. Estrogen dominance most certainly affects thyroid function and must be appropriately managed. Sedentary lifestyles also increase the risk of gallstones, whereas physical activity helps reduce gallstones and enhances thyroid hormone function.

Gallbladders are Important!


Medical treatments for these concerns are gallbladder removal or other surgical procedures to remove gallstones and bile duct stones. Removal of the gallstones or bile duct stones doesn’t address the underlying reasons for why they occurred in the first place, but gallbladder surgery results in at least 8 billion dollars annually. Once the gallbladder is removed, bile acids will still be released by the liver, but when the gallbladder sack is removed, the amount and release of bile acid will not be the same. The gallbladder sack allows appropriate amounts to be released at the right time of the digestive process.

We need bile acids to help break down fats and absorb them from the digestive tract into circulation for energy, nourishment, repair, hormones, inflammation management, and brain health. However, if bile acid release and amount is compromised, absorption of fat-soluble vitamins (A, D, E, and K) and other fats are affected, Loose, greasy stools and fat malabsorption occur. That may not seem like a problem, but these vitamins are involved with many different functions throughout the body including thyroid hormone function, immune system, brain, bone, skin, and heart. Healthy gallbladder function and bile acids are also needed to help clear mold toxins out of the body.

Prevention, Diet, and Nutritional Support


In order to prevent gallstones and common bile duct stones, several key things need to occur including healthy thyroid function. Thyroid hormone requires several fundamental nutrients like selenium, manganese, zinc, copper, iron, tyrosine, iodine, magnesium, vitamin A and D, and B vitamins.

Dietary changes are a must with removal of refined sugar, increase of water intake, increased fiber intake, poly-and monounsaturated fats, avoidance of food allergens, and reduction of grains or even elimination of gluten containing grains. Gluten intolerance and celiac disease affects both hypothyroidism and gallstone formation. Studies show that gluten intolerance can cause cholecystokinin deficiency which is a digestive hormone necessary for natural gallbladder function. Eggs, pork, and onions are the three most common foods that provoke gallbladder symptoms.

Elevated leptin levels are also associated with gallbladder stones and disease. Following the Five Rules with The Leptin Diet helps support leptin and the natural rhythm of the GI tract release of digestive juices.

High fat diets, especially fried foods, increase the risk of gallstones that are “cholesterol gallstones”. Up to 80 percent of gallstones are cholesterol gallstones. High carbohydrate diets are related more with “pigmented gallstones”. If you have gallstones or a history of gallbladder disease, it is essential to modify your diet accordingly to the types of stones and may easily be done with the Five Rules Leptin Diet guidelines.

High-dose beneficial bacteria are necessary as compromised gallbladder function leads to an imbalance of the small intestine gut flora. Physical activity and exercise also helps prevent gallbladder disease.

Vitamin C has been shown to help reduce the risk cholesterol gallstone formation as it may help bile flow. Iron deficiency may also increase the incidence of cholesterol gallstones. Iron is also necessary for thyroid hormone function.

Plant terpenes may also help break-up some types of gallstones (such as radiolucent). Terpenes may be found in d-limonene oil or oregano oilCurcumin is also helpful for gallbladder protection. Choline and taurine may also help keep bile acids flowing.

Unless a body part is severely damaged, I am a fan of keeping all body parts – including the gallbladder. Gallstones are often silent without creating symptoms until there is enough overload to create symptoms. If your gallbladder is acting like a squeaky wheel, it may be time to change the “grease” with diet changes and make sure to have a healthy thyroid.

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