C4 Ultimate Energy Drink Zero Sugar Sour Blue Razzilla 12-pack — 300mg Caffeine, B12

C4 Ultimate Energy Drink Zero Sugar in Sour Blue Razzilla is a high-caffeine, zero-sugar canned energy drink delivering 300mg of caffeine and bold tart-berry flavor for powerful, on-demand energy.

This limited-edition C4 Ultimate Energy® x Godzilla collaboration combines intense flavor with functional ingredients designed for energy and alertness without sugar. Each 12‑pack delivers an electrifying sour-blue-berry profile and a strong caffeine hit so you can power through demanding workouts, long shifts, or late-night tasks. The formula also includes B12 and other nutrients commonly found in performance beverages; the new packaging gets attention on shelf and at the gym.

How strong is the caffeine boost and what does it feel like?

Each can contains 300mg of caffeine, a level intended for experienced energy-drink users looking for a significant stimulant effect. Expect a fast, noticeable increase in alertness and reduced fatigue for a period after consumption; individual responses vary. Avoid combining with other high-caffeine products.

• 300mg caffeine per 12 fl oz can
• Zero sugar to avoid added calories from sweeteners
• Suggested for users familiar with high-caffeine beverages

What does Sour Blue Razzilla taste like and who will enjoy it?

Sour Blue Razzilla blends tart citrus-like sourness with sweet berry undertones for a sharp, candy-style profile. The flavor leans bright and tangy, making it a good choice for people who prefer bold, sour beverages over mellow or purely sweet options. It’s designed to be distinct and memorable as part of the Godzilla collaboration.

• Electric tartness up front with berry sweetness finishing
• Zero artificial colors and no sugar
• Bold flavor profile for fans of sour, candy-inspired drinks

What other ingredients and benefits are included?

Alongside caffeine, C4 Ultimate Energy Zero Sugar includes B12 and other common energy-supporting nutrients to complement the stimulant effect. The drink avoids added sugars and artificial colors, focusing on an intense taste profile without extra calories. As with any supplement-style beverage, ingredients support perceived energy and alertness but are not medical treatments.

• Vitamin B12 to support normal energy metabolism*
• No sugar and no artificial colors listed
• Formulated for energy and focus with performance-minded ingredients

How should I use this energy drink safely?

Consume one can when you need an intense energy lift and avoid additional high-caffeine sources the same day. Do not exceed recommended intake and keep out of reach of children and caffeine-sensitive individuals. If you have health conditions or take medications, consult a healthcare professional before use.

• Limit intake to one can for most users; adjust according to tolerance
• Avoid mixing with alcohol or other stimulants
• Not intended for children, pregnant or breastfeeding people

Who is this for: C4 Ultimate Energy Drink Zero Sugar in Sour Blue Razzilla is aimed at experienced energy-drink consumers, athletes and active adults who want a high-caffeine option with bold, sour-berry flavor and no sugar. It’s suited for those who need a strong, short-term boost for intense training sessions, long workdays, or moments requiring heightened focus and energy, provided they follow safe consumption guidelines.

Ingredients

Carbonated Water, Citric Acid, Taurine, Sodium Citrate, Natural & Artificial Flavors, Tartaric Acid, Caffeine Anhydrous, Potassium Benzoate (preservative), Sucralose, Acesulfame Potassium, Niacinamide, Dynamine™ (Methylliberine), Teacrine® (Theacrine), Cyanocobalamin (Vitamin B12))