L-Taurine is an amino acid that is present in the body, and is manufactured by other amino acids such as cysteine, vitamin B6 and methionine. It is also found in milk, meat, eggs and fish. This amino acid increases exercise capacity and is very effective for people who suffer from heart disease. It has also been shown to lower blood sugar levels, which is important for diabetics. Other benefits of L-Taurine include its use in treating individuals addicted to alcohol, and those with hypertension or high cholesterol. L-Taurine plays a huge role in the functioning of the brain, and can help people to have improved mood.