Cirkul is a flavored water system that uses "sips" to enhance flavor with no sugar or calories. Today I offer my unbiased review of the bottle, lid, and 6 "sips," one from each category. I also ...

In Cirkul's early days, Waggoner also worked other jobs to pay for living expenses: as a professional football player in Canada and car valet during his off-seasons, he says.

Then, the company went viral on TikTok — by chance, Waggoner says — with users posting videos of themselves trying different Cirkul flavors. The popularity didn't quickly fade.

When Cirkul launched in Walmart in 2022 with seven to eight weeks' worth of inventory at each store, its products sold out within a week, Waggoner says. (He declined to disclose the specific ...