Popwell

Popwell is made by Talking Rain, the parent company behind Sparkling Ice, and is marketed as a "cold-crafted" prebiotic soda — giving it manufacturing and distribution backing from an established flavored-water company rather than a standalone soda startup. The lineup includes six flavors: Cream Soda, Orange Cream, and Lemon Lime (all caffeinated with 40mg of natural caffeine from green tea), plus Blackberry Lime, Cherry Citrus, and Tropical Mango (non-caffeinated) — a six-flavor split between caffeinated and non-caffeinated options that is unique among the brands in this list. Each can delivers 6 grams of Soluble Corn Fiber — 20% of daily recommended fiber — with 1 gram of sugar or less, sweetened with stevia. The Daily Meal ranked Popwell #8 overall but specifically noted it had the lowest sugar of any brand tested at just 1 gram per can, with the orange cream and tropical mango flavors identified as the top performers in the lineup. That sugar figure undercuts even Olipop's #1 lowest-sugar ranking on a per-flavor basis, making Popwell arguably the most sugar-conscious option in the entire category despite its lower overall ranking. Popwell is distributed through Kroger, Baker's, and regional grocers, giving it a more regional retail footprint compared to the nationally distributed leaders in this category. Popwell's combination of a caffeinated option (unique among the brands in this list) and an ultra-low sugar profile gives it a specific niche appeal — for shoppers who want the lowest possible sugar content and, in select flavors, a natural caffeine boost from green tea rather than synthetic caffeine sources. Its backing by Talking Rain, an established player in flavored sparkling beverages, gives it manufacturing credibility even as its retail footprint continues to grow beyond its current regional grocery base.