# Zero-Sugar Energy Drinks Update Energy's Passion Orange Guava is Zero Sugar and Calorie By Amy Duong | Written with AI assistance | Published 2026-09-15 | Lifestyle Source: Trend Hunter, https://www.trendhunter.com/trends/guava-is-limited References: [stack3d](https://www.stack3d.com/2026/09/passion-orange-guava-update-energy-drink)  Update Energy's refreshed Update Energy Drink is a [zero-sugar, zero-calorie canned energy beverage](https://www.trendhunter.com/trends/dunkin-zero) featuring 300 mg of Enfinity paraxanthine instead of traditional caffeine and supporting focus with GeniusPure alpha-GPC. The formula was adjusted earlier this year with new sweeteners to sharpen taste while keeping the stimulant profile centered on paraxanthine. The brand placed the updated lineup into Circle K coolers with floor displays and a two-for-$5 introductory deal, bringing [Pineapple, Peach, Grape and Berry](https://www.trendhunter.com/trends/celsius-drops-two-new-flavors) alongside a new [limited Passion Orange Guava](https://www.trendhunter.com/trends/monster-energy-ultra-vice-guava). The Passion Orange Guava is described as a more complex flavor option compared with the other familiar fruit variants. The paraxanthine base promises a smoother, more sustained lift without sugar or calories, and the alpha-GPC aims to support focus during use. Adding a bolder, limited tropical flavor helps the brand stand out on convenience shelves while expanding its retail footprint. Image Credit: Update Energy ## Trend Insights (Trend Hunter) - Score: 8.4/10 - Popularity: 73% | Activity: 85% | Freshness: 95% - Audience gender: 50% men, 50% women - Primary generations: Gen Z, Millennial - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Lifestyle](https://www.trendhunter.com/lifestyle) > [Food](https://www.trendhunter.com/food) ## Key Themes ### Key Themes Behind This Trend - **Paraxanthine Energy:** Caffeine alternatives such as paraxanthine are reshaping functional beverages with smoother stimulant profiles that appeal to consumers seeking sustained energy without familiar caffeine drawbacks. - **Zero-sugar Performance:** Sugar-free and calorie-free formulations are expanding beyond diet positioning into performance-led products that combine taste, focus, and energy benefits in mainstream formats. - **Limited Tropical Flavors:** Bold, limited-edition fruit blends create shelf differentiation in crowded cooler sets while giving brands a low-risk way to test premium flavor complexity. ### Where This Applies - **Functional Beverages:** Ingredient-led energy drinks are creating space for next-generation formulas that merge stimulation, cognition, and lifestyle wellness in ready-to-drink cans. - **Convenience Retail:** Cooler placements, floor displays, and promotional bundles continue to make convenience stores a critical launch channel for emerging beverage innovation. - **Nutraceutical Ingredients:** Focus-support compounds and novel stimulants are gaining commercial relevance as beverage brands look for clinically recognizable ingredients that support differentiated claims. ## Related on Trend Hunter - [Tart Zero-Sugar Energy Drinks](https://www.trendhunter.com/trends/cranberry-party-pop.md) - [Brain-Boosting Energy Drinks](https://www.trendhunter.com/trends/just-ingredients-sparkling-energy-drinks.md) - [Refreshingly Tropical Energy Drinks](https://www.trendhunter.com/trends/monster-energy-ultra-wild-passion.md) - [Mental Focus-Promoting Energy Drinks](https://www.trendhunter.com/trends/kewe-energy.md) - [Sparkling Energy Drinks](https://www.trendhunter.com/trends/sparkling-energy-drinks1.md) - [Paraxanthine Energy Pouches](https://www.trendhunter.com/trends/paraxanthine-energy-pouches.md) - [Refreshing Zero-Sugar Energy Drinks](https://www.trendhunter.com/trends/citrus-freeze.md) - [Tropical Energizing Electrolyte Refreshments](https://www.trendhunter.com/trends/phx-pineapple.md) - [Paraxanthine-Powered Energy Drinks](https://www.trendhunter.com/trends/drink-update.md)