L-taurine is an amino acid that is often found as an ingredient in energy drinks. Taurine is important for the body and is safe in limited quantities, but there is not much data on the safety of taurine in humans. There are some reported instances of people taking L-taurine developing serious health problems, so talk to your doctor before taking L-taurine supplements.
L-Taurine
Taurine is an amino acid, and amino acids are the building blocks of proteins. Your body gets taurine when you consume protein, particularly eggs, fish, poultry and dairy products. Taurine is also sometimes added to energy drinks and can also be found in some other supplements that are promoted to increase athletic performance. In the human body, taurine is found in significant amounts in muscle tissue and is the second most abundant amino acid.
Uses
L-taurine is particularly abundant in certain kinds of muscle fibers, known as type II fibers. As a result, L-taurine supplements are often touted as potent athletic performance enhancers that can help increase muscle power, muscle mass and decrease muscle damage after exercise. A combination of caffeine and L-taurine may also improve mental performance, though this theory remains controversial.
Risks
There is not much data regarding the safety of L-taurine supplements. There are few reports of significant side effects due to taking taurine. However, there is one documented report of a bodybuilder who developed encephalopathy, a serious brain problem, after taking L-taurine, insulin and steroids. Consuming multiple taurine-containing energy drinks may also exacerbate bipolar disorder. However, it is not clear if these side effects are due to the L-taurine or other compounds.
Considerations
Because taurine is a naturally occurring compound, it is likely safe in moderate doses. According to Katherine Zeratsky at MayoClinic.com, 3,000 mg of supplemental L-taurine each day is the maximum safe dose. Your body can excrete excess taurine via your kidneys, though this process can be impaired if you have kidney disease. Talk to your doctor before consuming L-taurine supplements to make sure they are safe for you.
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