Why is there taurine in energy drinks?

Scientists have discovered that taurine has life-lengthening benefits in mammals. But why is this supplement added to energy drinks?

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NATURAL BEVERAGES: Unique blend of caffeine combined with Guarana increases mental alertness, reduces fatigue, and provides targeted energy and focus

NOS High Performance Energy Drink | Energy Boost Drink with 200mg natural Caffeine, Fortified with Electrolytes, Vitamins B6 & B12, Taurine, Inositol

Taurine in energy drinks

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Antony Polanco on LinkedIn: Why is there taurine in energy drinks?