C4 Smart Energy Drink Sugar Free – Tropical Passionfruit (12 oz, 12 Pack) | Caffeine + Cognizin

Sugar-free energy with a flavor punch

Meet C4 Smart Energy, a sugar-free energy drink crafted to deliver clean, anytime energy with a bright tropical flavor. Powered by InnovaTea naturally derived caffeine from green tea and Cognizin citicoline, it’s designed to support focus and task momentum across work, study, gaming, and daily activities.

Each 12 oz can packs a purposeful blend that helps you stay alert without added sugars or calories. The formula emphasizes a balanced energy profile and steady cognition-friendly cues, making it a versatile option for moments that demand concentration, quick thinking, or sustained stamina.

Key benefits at a glance

• 200 mg InnovaTea caffeine from tea leaves delivers steady energy and alertness.
• Zero sugar, zero calories, and zero carbs per serving with no artificial colors or dyes.
• Rich flavor lineup, including Tropical Passionfruit, plus a range of other bold tastes.
• Brand legacy you can trust, with billions of servings sold since 2011.

Real-world uses and occasions

• Morning or afternoon boosts for work, classes, or focused study sessions.
• Fast, sugar-free pick-me-up during gaming, planning, or creative tasks.
• Pre-workout refreshment option that’s easy to grab on the go.

The Tropical Passionfruit flavor offers a bright, refreshing profile designed to be enjoyable during extended tasks or social moments. The can design and flavor notes are meant to pair with your routine, not dominate it. This 12 oz can format is convenient for keeping a steady supply on hand—perfect for a 12-pack setup that fits into your daily rhythm.

While individual results vary, many users find that the combination of naturally sourced caffeine and cognitive support ingredients may help maintain focus and energy across a busy day. If you’re exploring alternatives to sugared beverages or seeking a convenient no-calorie option, C4 Smart Energy provides a sugar-free pathway to try.