Zest Plant Powered Natural Energy Sparkling Drink - Passionfruit Berry

In this review of Zest Plant Powered Natural Energy Sparkling Drink - Passionfruit Berry, the bottom line is straightforward: this is a high-caffeine, low-sugar soda alternative for people who want a steady, plant-based energy boost without the typical jitters. The drink pairs 150mg of natural caffeine from tea with 100mg of L-theanine to smooth the effect, and at just 60 calories and 14g sugar per 12oz can it suits low-carb and keto-friendly diets. For anyone replacing a cup of coffee or a sugary energy soda, this is worth trying, especially when chilled.

Key Features

• Plant-powered caffeine: 150mg of natural caffeine sourced from tea provides a strong boost while avoiding synthetic stimulants common in some energy drinks.
• L-theanine balance: Each can contains 100mg of L-theanine to reduce jitteriness and help maintain steady alertness for several hours.
• Low sugar and calories: At 60 calories and 14g sugar per 12oz can, it supports low-carb and keto-friendly choices without heavy caloric cost.
• Natural ingredients: Made with non-GMO ingredients and no artificial sweeteners, offering a cleaner alternative to conventional sodas and many energy drinks.
• Flavor profile: Passionfruit berry blend is refreshing and not overly sweet, and customers report it tastes best when served chilled with ice.

Who It's For

This drink is aimed at active adults and busy professionals who want more caffeinated kick than a typical iced tea but fewer calories than many energy drinks. It suits those on low-carb or keto plans and anyone looking for a plant-based substitute for coffee that can be consumed cold and on the go.

It may not be ideal for people highly sensitive to caffeine or for those who prefer hot coffee rituals; one or two reviewers noted drinkability issues after a few sips, so those with very particular flavor preferences should sample a can first.

Pros & Cons

Pros

• Strong, natural 150mg caffeine kick that replaces a coffee without added sugar overload.
• L-theanine content noticeably softens the stimulant effect, reducing jitters and crashes.
• Low calories and low sugar make it suitable for low-carb and keto diets.
• Made with non-GMO ingredients and no artificial sweeteners for a cleaner ingredient list.

Cons

• Flavor is polarizing for a small number of drinkers who found it less drinkable after a few sips.
• High caffeine means it is not suitable late in the day for caffeine-sensitive people.

Specifications

Brand	Zest
Flavor	Passionfruit Berry
Can size	12oz
Caffeine	150mg natural caffeine per can
L-theanine	100mg per can
Calories	60 cal per 12oz can
Sugar	14g per 12oz can

Our Verdict

Zest Passionfruit Berry is a well-rounded, plant-powered energy drink for people who want a stronger caffeine dose than tea with fewer calories than most energy sodas. The L-theanine addition makes the boost feel steady rather than jittery, and the natural ingredients add value for health-conscious buyers. It represents good value for anyone replacing one or two daily coffees or sugary energy drinks.

Frequently Asked Questions

How strong is the caffeine?
The can contains 150mg of natural caffeine sourced from tea, stronger than typical iced teas and similar to a strong coffee.

Will it cause jitters or a crash?
The 100mg of L-theanine is included to reduce jitters and help prevent a sudden crash, producing a steadier alertness according to users.

Is it suitable for low-carb diets?
Yes, at 60 calories and 14g sugar per 12oz can it is low enough in carbs to fit many low-carb and keto plans when consumed in moderation.