9 Impressive Benefits of TUDCA – the Gut Supplement

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The liver plays quite the role in maintaining our optimal health. It is the go-to organ for filtering dangerous toxins out our transport system (blood) and eliminating them from our bodies. It is also involved in other functions such as digestion and energy storage. If it’s not working properly, toxic buildup alone will create a host of issues which will ultimately affect other organs, tissues and our overall health. In recent years scientists have been studying supplemental TUDCA, acronym for tauroursodeoxycholic acid, as a potential therapy for liver disease and other ailments.

What is TUDCA?​

TUDCA is a natural digestive fluid made in the liver. Black bears produce huge quantities of it. Humans not so much. We also make a more diluted version called ursodeoxycholic acid (x). TUDCA is a conjugate of taurine and ursodeoxycholic acid. The organosulfonic amino acid taurine combines and exchanges molecules with deoxycholate salt. Think of TUDCA as UDCA with a T (x), (x).

For centuries China and other Asian countries have collected bile or TUDCA from bears for traditional medicine. Turkey has used it to treat cholesterol gallstones. Today countries like the United States, Italy and China are considering its efficacy in liver diseases, neurodegenerative diseases, weight loss and other pathologies (x).

What are the Benefits of Taking TUDCA?​

What does TUDCA do? Since TUDCA is the form of a naturally-occurring salt in the liver, a main area of study, is its potential benefits as a supplement in treating the diseases of this large, independent and vital organ. Researchers are also studying its effectiveness in neurodegenerative disorders/diseases; diabetes complications; retinal issues and viral infections.

Always consult your healthcare provider for diagnoses, accurate medical information and permission before taking any supplements. There’s no medical evidence to support TUDCA supplement curing, treating or preventing disease.

Liver Diseases

The Centers for Disease Control and Prevention (CDC) estimates that 4.5 million adults in the United States have liver disease (x). Endoplasmic reticulum stress seems to be key in the development of many of these illnesses (x). Endoplasmic reticulum (ER) is described as a membranous network of flat sacs housed in every part of our cells (except red blood cells), including nuclei (x).

Cholestasis

Cholestasis or blockage of the flow of bile from the liver to the small intestines creates acid accumulation and toxicity. This leads to cell death or apoptosis. Studies show that TUDCA may be able to reverse cholestasis and increase the flow of bile (x), (x), (x). Below is a list of some of the conditions that can interrupt bile flow and the findings of TUDCA research.

• Enzyme Excess. The liver produces two vital enzymes alanine aminotransferase (ALT) and aspartate aminotransferase (AST), which must be maintained at a particular level. Damage can cause levels to rise abnormally. Studies indicate that TUDCA supplements may be able to lower enzyme levels and increase bile flow (x).
• Liver Cirrhosis. This occurs when healthy liver cells are replaced with scar tissue. According to the American Liver Foundation, alcohol and the hepatitis C virus are the two most common causes (x). Fat accumulation is another culprit (x). The more scar tissue buildup, the more liver function is diminished. Research suggest TUDCA may be an effective treatment (x).
• Hepatitis. Caused by hepatitis C virus (HCV), hepatitis A (HAV), hepatitis B (HBV), hepatitis D (HDV) and hepatitis E (HEV). HCV is the most problematic. The American Liver Foundation states a CDC estimate of 2.7 million Americans infected with hepatitis C (x). The foundation also reports that as many as 75% don’t even know they’re affected (x). Studies conducted to determine the effect of supplemental TUDCA on subjects with hepatitis C as well as B, and D showed promise in preventing the viruses from invading the liver, treating the disease and in reducing damage (x), (x).
• Protection from Steroid Cycles. Frequent use of oral steroids can damage the liver insurmountably (x), (x). Bodybuilders and weightlifters known for heavy steroid use, may benefit from TUDCA according to studies rendered (x), (x), (x).

Neurodegenerative Disorders/ Diseases

Diseases such as Lou Gehrig’s (ALS), Huntington’s, Parkinson’s and Alzheimer’s disrupt the healthy function of our brain and nervous system. What therapies can TUDCA offer?

• Lou Gehrig’s Disease. Also called ALS (Amyotrophic lateral sclerosis) causes loss of control of voluntary muscles. It commonly impacts movement, breathing, speech and the ability to swallow. ALS News Today cites a number of studies and clinical trials involving TUDCA as a possible therapy (x). One study involving a rating scale on improvement showed that ALS patients treated with supplemental TUDCA recorded higher scores than those given a placebo. It suggested a decrease in their disabilities (x).
• Huntington’s Disease. Occurs when there’s a problem in the gene that makes the protein huntingtin. The abnormal size protein cannot correctly interact with the brain protein responsible for motor function and the neurons die (x). Results of a study on mice given TUDCA suggest its potential in helping human patients (x).
• Parkinson’s Disease. Due to the death of neurons which produces the neurotransmitter dopamine (x). Dopamine impacts movement, mood, memory and other functions in the body (x). Lack of it hinders simple, daily activities. Individuals develop slow movement, body tremors, stiff muscles, sleeping difficulties, fatigue, constipation and depression. Because TUDCA research on mice showed reduced symptoms, scientists believe humans could also benefit (x).
• Alzheimer’s Disease. Scientists believe that increased levels of the amyloid beta plaque proteins are responsible for the neuron death and toxicity, which results in Alzheimer’s disease (x). Memory, awareness and learning are affected (x). Studies imply that TUDCA may offer neuroprotective effects (x).

Diabetes

Can TUDCA benefit diabetics? One study in China showed a reduction in copper and zinc levels, a symptom in individuals with type 1 diabetes (x). Another study indicated that it could treat diabetic retinopathy, which is damage to blood vessels in the retina or light-sensitive tissues in the eyes, due to high sugar levels (x). TUDCA may also help type 2 diabetics with obesity, commonly due to insulin resistance, postprandial hyperglycemia-induced endothelial dysfunction and lipid metabolism, which all stem from ER stress (x), (x), (x), (x).

Retinal Issues

TUDCA has been studied in quite a few situations involving the retina, including retinal degeneration and loss of vision, Leber congenital amaurosis (LCA), retinitis pigmentosa (RP) which could cause blindness and diabetic retinopathy. Though most of the subjects were rats and mice, there were indications that TUDCA could offer humans protective help (x), (x), (x), (x).

Additional Benefits for Endoplasmic Reticulum Stress

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One of the functions of ER is the folding of proteins. Pathogens such as viruses can result in unfolding or improper folding. Accumulation of these abnormal proteins causes cell stress (x). Inflammatory conditions and cell apoptosis are activated in an attempt to correct the problem. Studies imply that TUDCA may provide inhibitive therapeutic aid, including the fortifying of cellular structures (x), (x), (x), (x).

TUDCA Supplements​

Though tauroursodeoxycholic acid, TUDCA, is still being studied, it can be purchased as a dietary supplement in powder and encapsulated forms. The first synthetic version was manufactured in Japan in 1954 (x). Plants do not make TUDCA, so you cannot get it from food.

How to Take TUDCA​

Although TUDCA is not approved by the United States Food and Drug Administration (UDCA is approved for biliary cirrhosis), researchers have determined safe quantities based on their clinical trials: A dose of 15-20 mg/kg bodyweight may improve liver/ bile function. And daily dosage as high as 1,750 mg may improve muscle and liver insulin sensitivity (x), (x), (x). Always consult your healthcare provider for diagnoses, accurate medical information and permission before taking any supplements. There’s no medical evidence to support TUDCA supplement curing, treating or preventing disease.

TUDCA Side Effects and Safety Concerns​

Diarrhea has been reported in daily consumption of TUDCA at 1,000 and 1,500 mg (x). Prolonged use for the rare primary sclerosing cholangitis may be toxic (x).

The following side effects have been known to occur with UDCA consumption and may also occur with its TUDCA derivative: gastrointestinal issues, headache, fatigue, skin issues, hair thinning (x).

Avoid alcohol use when taking TUDCA as it can damage your liver (x).

TUDCA vs. Milk Thistle​

TUDCA and the milk thistle herb, scientifically called Silybaum marianum, share some major therapies such as protecting the liver and brain (x), (x), (x), (x). The active compounds in milk thistle that works like TUDCA are called Silymarins (x).

Bottom Line​

TUDCA, more formally tauroursodeoxycholic acid, is a derivative of the natural bile fluid produced by the liver. Black bears make it in large quantities. We humans don’t. Studies conducted so far, suggest that as a supplement, it could offer us liver, brain, nervous system, retinal and other benefits. More research, especially with human subjects, is needed. But its powerful liver and neuro-supportive bioavailability alone make TUDCA definitely worth considering. Remember to always consult your healthcare provider for diagnoses, accurate medical information and permission before taking any supplements.