C4 Pre-Workout Powder Watermelon, 30 Servings — 135mg Caffeine, NSF Certified, Sugar-Free

C4 Sport Pre Workout (Watermelon) is a sugar-free, NSF Certified for Sport formula delivering 135mg of caffeine per serving to boost energy, focus, and endurance for workouts.

C4 Sport is designed as a versatile pre-workout foundation suitable for a wide range of training styles and athletes. The 30-serving tub in Watermelon flavor offers a balance of stimulant-driven energy and endurance support without added sugar. NSF Certified for Sport assures athletes that the product is tested for banned substances, while the formula ties into C4's 1-2-3 Sport series for stacking options.

How will C4 Sport improve energy and focus before a session?

Each scoop supplies 135mg of caffeine to raise alertness and reduce perceived effort so you feel more driven during training. The caffeine dose is moderate—enough to enhance focus while keeping stimulant load manageable for many users. Combine timing and hydration for reliable results.

• 135mg caffeine per serving for pre-workout alertness
• Recommended intake: mix 1 scoop with 6–8 fl. oz. of water
• Take 20–30 minutes before exercise for peak effect

What ingredients help endurance and muscular stamina?

C4 Sport contains CarnoSyn Beta-Alanine, a branded and clinically studied form of beta-alanine that supports muscular endurance during high-rep or prolonged work. Users may notice a harmless tingling sensation (paresthesia), which is a normal response to beta-alanine. The formula is crafted to help you push more reps and sustain intensity.

• CarnoSyn Beta-Alanine to support muscular endurance
• Formulation aimed at delaying fatigue during higher-rep sets
• Non-carbohydrate, sugar-free base suitable for many diets

Is this product safe for competitive athletes and tested for banned substances?

C4 Sport is NSF Certified for Sport, meaning batches have been screened to reduce the risk of contamination with substances banned in sport. Certification provides an added layer of quality control for athletes who require tested supplements. Always check with your sporting body and consult team medical staff if you compete at a high level.

• NSF Certified for Sport ensures third-party screening
• Packaging may vary; certification stays part of the formula
• Suitable as part of a tested supplement protocol for athletes

Who is this for: C4 Sport Watermelon is intended for recreational lifters, gym-goers, and competitive athletes seeking a moderate-caffeine, sugar-free pre-workout that supports energy, mental focus, and muscular endurance. It works well for those who want a tested product with a familiar stimulant profile and prefer a convenient single-scoop routine. Not recommended for people sensitive to caffeine or under 18; consult a healthcare provider if pregnant, nursing, or taking medications.

Ingredients

Micronized Creatine Monohydrate, CarnoSyn(R) Beta-Alanine, Arginine Alpha Ketoglutarate, Sodium Citrate, Magnesium Chloride, Dipotassium Phosphate, Taurine, Caffine Anyhdrous, Pyridoxal-5-Phosphate, Methylcobalamin