The Kirkland Signature Diet Green Tea is a big hit with Costco shoppers. “Kirkland diet green tea. I drink that stuff like water,” one member said. “I limit myself to one per day, otherwise, I’ll ...

CELSIUS Sweetened with Stevia Sparkling Grapefruit Fitness Drink (pack of 12) Was: $27.00 Now: $17.31 at Amazon Save a cool $9.69 on this 12 pack of CELSIUS fitness drinks in sparkling grapefruit.

The new Fizz-Free flavor additions further empower the everyday achiever, especially with more refreshing flavor choices, the company states.

Celsius was off my energy drink radar for a while. Co-workers gave it rave reviews. But due to a crippling case of poor brain, I continually opted for cheaper choices when it came to my morning ...

However, because Celsius energy drinks contain around 200 milligrams of caffeine, I spaced the test out over four days. Here's my ranking of the flavors I tried, from worst to best.