New research shows higher levels of taurine, an amino acid found in meat and shellfish, help slow aging in animals. Now, researchers want to know if it could possibly do the same for humans.

Taurine is a popular supplement added to many energy drinks and touted to promote sharper brain function.

In experiments with mice and monkeys, researchers found that supplementing middle-aged animals led to better health.

In mice, the supplementation led to less weight gain, increased bone density, improved muscle endurance and strength, reduced insulin resistance, a better-functioning immune system and a 10% longer lifespan, which in humans would be about seven or eight years.

In monkeys, supplementation prevented age-related weight gain, improved fasting blood sugar levels, increased bone density and led to healthier livers and improved immune system function.

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