Costco’s Kirkland Signature brand is known for creating dupes of popular brand-name merchandise. From Lululemon-style ...

Kirkland energy drink the warehouse giant dropped this week. It's not going to crush the Celsius energy drink empire. And it ...

The caffeine in energy drinks is higher than what teens should get in a day, Consumer Reports' tests of energy drinks show.

Costco isn't the sort of business to stay complacent. A big reason members are so willing to pay a fee to walk in the door ...

Celebrities are constantly looking to diversify their portfolios. In Hollywood, being a singer or reality star doesn’t mean ...

Sometimes energy drinks have the opposite effect and lead to tiredness because you “crash.” Find out why drinks without sugar can also make you sleepy.

Using energy drinks more than water in summer can be dangerous for your health. Too much caffeine, sugar and stimulants can ...

This is big.

CEO John Fieldly said more consumers are turning to the beverages as a companion to meals, an alcohol alternative and even ...

Sarah Katz wanted to ride a roller coaster. In a high school essay she once recalled a time in second grade, when her mom ...