We measured the amount in 27 top-selling energy drinks ... practices of energy-drink companies, said a person familiar with the inquiry. Living Essentials (maker of 5-hour Energy), Monster ...

ZOA Energy drinks have over 15,000, 5-star reviews on Amazon, with one saying, "ZOA is now my go-to in the morning. They taste great and give me a boost of energy without the jitters or a crash." An ...