What is Taurine? How Does it Affect Our Body?

Nahida Wankhade

July 22, 2023

Taurine is a unique amino acid due to its absence in the protein-building process. Unlike other amino acids, it is not used to form proteins in the body. Instead, it functions as a free amino acid with diverse roles in various physiological processes. It plays a critical role in maintaining cellular integrity, osmoregulation, and supporting the normal function of the brain, heart, and muscles. While it is abundant in certain animal tissues, humans can also obtain taurine through dietary sources or supplements.

This article aims to explore the top benefits and essential role of taurine in human health, highlighting its impact on heart function, brain health, digestion, and cellular integrity.

Importance of Taurine

Taurine plays a crucial role in various bodily functions. It supports heart health by regulating calcium levels and promoting cardiac muscle function. It aids in bile salt formation, aiding digestion and fat absorption. Taurine also acts as a neurotransmitter and neuromodulator in the brain, influencing cognitive processes and protecting against neurodegenerative diseases. Additionally, it helps maintain osmotic balance within cells, ensuring proper hydration and electrolyte regulation. Taurine’s antioxidant properties further contribute to protecting cells from oxidative stress, making it vital for overall health and well-being.

Health Benefits of Taurine

1. Supports Heart Health

Taurine supports heart health by aiding in the regulation of cardiac function. It helps maintain proper calcium levels in heart cells, ensuring appropriate electrical signaling and muscle contractions. Additionally, taurine acts as an antioxidant, protecting the heart from oxidative damage and inflammation. It also assists in maintaining cell membrane stability, promoting overall heart health. These mechanisms collectively contribute to the beneficial effects of taurine on heart function and its potential role in preventing cardiovascular diseases.

2. Manages Blood Pressure

Taurine plays a significant role in reducing blood pressure and cholesterol levels. It helps relax blood vessels, leading to improved blood flow and lower blood pressure. Additionally, taurine enhances the metabolism of lipids, leading to decreased LDL cholesterol levels. By promoting the excretion of cholesterol and bile acids, taurine helps to reduce total cholesterol and triglyceride levels. These combined effects make taurine a valuable nutrient in managing hypertension and hypercholesterolemia, contributing to better cardiovascular health.

3. Promotes Brain Function and Memory 

Taurine contributes to brain health and may indirectly support memory function. As a neurotransmitter, it aids in nerve signal transmission and supports overall brain function. Its antioxidant properties help protect brain cells from oxidative stress and damage. While specific memory-enhancing effects are not fully established, taurine’s role in maintaining neuronal health suggests potential benefits for cognitive function.

4. Provides Neuroprotection

Taurine provides neuroprotection through several mechanisms. It acts as an antioxidant, neutralizing harmful free radicals and reducing oxidative stress in the brain, which can damage neurons. Taurine also helps regulate calcium levels in neurons, preventing excitotoxicity, a process where excessive calcium leads to cell death. 

Furthermore, taurine supports cell membrane stability, preserving the integrity of neurons. These combined effects make taurine a valuable nutrient in promoting neuroprotection and potentially reducing the risk of neurodegenerative diseases.

5. Aids Muscle Development

Taurine plays a crucial role in muscle development and recovery. As a key component of bile acids, it aids in fat absorption and nutrient transportation, supporting muscle growth. Taurine also enhances water and nutrient uptake in muscle cells, promoting cell hydration and protein synthesis. During exercise, taurine helps regulate calcium levels, contributing to better muscle contractions and reducing the risk of cramps and injuries. 

Moreover, its antioxidant properties protect muscles from oxidative stress, aiding in faster recovery after strenuous workouts. As a result, taurine supplementation is often used to enhance muscle performance, growth, and post-exercise recovery in athletes and active individuals.

6. Regulates Glucose in the Body

Taurine has been found to have a potential link to glucose regulation in the body. Studies suggest that taurine may play a role in improving insulin sensitivity, which is crucial for glucose uptake by cells. By enhancing insulin sensitivity, taurine may help lower blood glucose levels and reduce the risk of insulin resistance and type 2 diabetes. Additionally, taurine’s antioxidant properties may protect pancreatic beta cells, responsible for insulin production, from oxidative damage.

7. Manages Metabolic Disorders

Taurine holds promising potential in managing metabolic disorders. It may aid in regulating glucose levels by improving insulin sensitivity and protecting pancreatic beta cells. Taurine’s role in lipid metabolism can help reduce cholesterol and triglyceride levels, benefiting individuals with hyperlipidemia. Furthermore, its antioxidant properties combat oxidative stress, which is linked to metabolic disorders. Additionally, taurine’s ability to enhance cellular hydration and protein synthesis could aid in weight management and muscle development. 

8. Maintains Weight

Taurine may have a positive influence on weight management. It aids in regulating lipid metabolism, potentially reducing cholesterol and triglyceride levels, contributing to overall weight control. Additionally, taurine promotes cellular hydration and protein synthesis, which can support muscle development and lean body mass. By improving insulin sensitivity, it may also assist in maintaining stable blood glucose levels and reducing cravings for sugary foods. However, while taurine shows promise in weight management, it is not a standalone solution, and a balanced diet and regular exercise remain essential for effective weight control.

9. Improves Vision 

Taurine’s role in improving vision is linked to its presence in the retina, where it serves as a vital component. It aids in maintaining retinal cell integrity and function, supporting photoreceptors’ sensitivity to light and assisting in the transmission of visual signals to the brain. Taurine’s antioxidant properties help protect the retina from oxidative stress and damage caused by light exposure. Additionally, it may enhance blood flow to the eyes, providing nutrients and oxygen essential for optimal visual performance. These mechanisms collectively contribute to taurine’s potential in improving overall vision health.


Taurine supports heart health by regulating cardiac function, reduces blood pressure, and manages cholesterol levels. It promotes brain function and memory through its role as a neurotransmitter and antioxidant. Taurine provides neuroprotection by neutralizing free radicals and maintaining cell membrane stability. Additionally, it aids muscle development and recovery by enhancing nutrient uptake and providing antioxidant protection. Taurine also regulates glucose levels and shows promise in managing metabolic disorders. Furthermore, it may assist in weight management and improve vision health by supporting retinal integrity and visual signaling.

How To Add Taurine To Your Diet

Adding taurine to your diet is relatively easy as it is naturally found in various foods and is available as a dietary supplement. Here are some ways to incorporate taurine into your diet:

  1. Animal products: Taurine is abundant in animal-derived foods, especially in seafood and meats. Foods like fish (especially salmon, mackerel, and tuna), shellfish, poultry, and organ meats (e.g., liver) are good sources of taurine.
  1. Eggs: Taurine is also present in eggs, particularly in the yolks. Including eggs in your diet can provide a decent amount of taurine.
  1. Dairy products: Some dairy products, such as cheese and milk, contain taurine, though the levels might be lower compared to animal meats and seafood.
  1. Energy drinks and supplements: Taurine is a common ingredient in many energy drinks. However, be cautious when consuming these beverages due to their other potentially harmful ingredients like excessive caffeine or sugar. Alternatively, you can find taurine supplements in the form of capsules or powders, available at health food stores or online.
  1. Taurine-fortified foods: Some food products, like certain cereals or beverages, are enriched with taurine to increase their nutritional value.

It’s important to note that most people can get sufficient taurine from a balanced diet that includes animal products. However, if you follow a strict vegetarian or vegan diet, you might consider taurine supplementation to ensure you meet your body’s requirements.

Precautions to Take While Considering Taurine Supplement

Taurine supplements are generally considered safe for most people when taken in appropriate doses. However, like with any dietary supplement, it’s essential to be cautious and follow these safety precautions:

1. Consult a Healthcare Professional

Before starting any new supplement, including taurine, consult with your healthcare provider or a registered dietitian. They can assess your individual health status and provide personalized recommendations based on your specific needs and medical history.

2. Follow the Recommended Dosage

Stick to the recommended dosage provided on the supplement’s packaging or as advised by your healthcare professional. Taking excessive amounts of taurine can lead to adverse effects.

3. Avoid Unnecessary High Doses

While taurine is generally safe in moderate amounts, taking extremely high doses (e.g., several grams per day) can potentially cause adverse effects.

4. May Cause Medical Interactions

If you are taking any medications or other dietary supplements, be aware of possible interactions with taurine. Always inform your healthcare provider about all the supplements and medications you are using.

5. Monitor for Allergic Reactions

Although rare, some individuals may be allergic to taurine or experience adverse reactions. If you notice any signs of an allergic reaction, such as itching, rash, difficulty breathing, or swelling, seek immediate medical attention.

6. Children and Pregnant/Breastfeeding Women: 

The safety of taurine supplements in these populations is not well-established. It’s best for children, pregnant, or breastfeeding women to avoid taurine supplements unless specifically recommended by a healthcare professional.

7. Quality of the Supplement

Choose taurine supplements from reputable brands and manufacturers to ensure their quality and safety.

If you experience any unexpected side effects or concerns while taking taurine supplements, stop using them immediately and seek advice from a healthcare professional.

HealthifyMe Suggestion

The recommended dosage of taurine is usually less than 3,000 mg per day. At this dosage, our body is able to use taurine to power vital processes and excrete any excess via the kidneys. As a supplement, taurine has most often been used by adults in doses of 3-6 grams by mouth daily for up to one year. However, at higher doses, taurine may cause unintended side effects. There have been no comprehensive studies on the effects of taurine if taken in large doses or for a long period of time. Consult your healthcare professional prior to taking large amounts of taurine.


Taurine, a crucial amino acid, offers significant health benefits. Its potential applications in medicine include supporting heart health, enhancing brain function, improving exercise performance, and aiding metabolic regulation. As research continues, taurine supplementation may become a valuable adjunct in managing various health conditions, promoting overall well-being, and providing potential therapeutic avenues for patients. However, individuals should consult healthcare professionals before considering taurine supplementation to ensure safety and appropriateness for their specific needs.

Disclaimer: The purpose of this article is just to disperse knowledge and raise awareness. It does not intend to replace medical advice from professionals. For further information please contact our certified nutritionists Here

Frequently Asked Questions (FAQs)

Is Taurine an amino acid? 

Yes, taurine is an amino acid, but it is different from standard proteinogenic amino acids as it does not participate in protein synthesis.

What are the functions of taurine in the body? 

Taurine plays various essential roles, including bile salt formation for fat digestion, osmoregulation (maintaining cell volume and fluid balance), antioxidant function, and modulation of neurotransmitter activity.

Can the body produce taurine on its own? 

The body can synthesize taurine from other amino acids like cysteine and methionine, but the endogenous production might not be sufficient. Therefore, obtaining taurine from the diet is important.

What are some dietary sources of taurine? 

Taurine is found in animal-derived foods, such as meat (especially beef, pork, and chicken), fish, and seafood.

How does taurine affect heart health? 

Taurine has been associated with potential benefits for heart health, as it may help regulate heartbeats, reduce blood pressure, and protect against certain heart-related issues.

Can taurine enhance exercise performance? 

Taurine supplementation has been studied for its potential to improve exercise performance and reduce exercise-induced fatigue. However, the evidence is still limited and requires further research.

Is taurine safe to consume? 

Taurine is generally considered safe for most people when consumed in normal dietary amounts. It is also a common ingredient in many energy drinks, but excessive consumption of these beverages may lead to adverse effects.

Can taurine help with sleep and relaxation? 

Taurine has been suggested to have a calming effect on the central nervous system, which might aid in promoting relaxation and improving sleep quality in some individuals.

Is taurine beneficial for brain function and cognition? 

Some studies suggest that taurine might support brain health by improving cognitive function and protecting against neurological disorders, but more research is needed to establish its role fully.

Does taurine have antioxidant properties? 

Yes, taurine has antioxidant properties, which means it can help neutralize harmful free radicals in the body and protect cells from oxidative damage.

Can taurine be used as a supplement? 

Yes, taurine is available as a dietary supplement and is commonly found in energy drinks, pre-workout products, and some health supplements.

Are there any potential side effects or risks associated with taurine consumption?

Taurine is generally safe for most people when consumed in appropriate amounts. However, excessive consumption or supplementation may lead to side effects like digestive issues or headaches.

What is the recommended daily intake of taurine? 

There is no established Recommended Dietary Allowance (RDA) for taurine. However, typical taurine intake from a balanced diet is estimated to be around 40 to 400 mg per day. For specific supplementation, it’s best to follow the product’s guidelines or consult a healthcare professional.

Research Links

  1. Effects and Mechanisms of Taurine as a Therapeutic Agent
  2. Taurine May Be a Key to Longer and Healthier Life
  3. Substances Involved in Neurotransmission

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