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C4 Ultimate Strawberry Watermelon

Cellucor
4.3
★ ★ ★ ★ ★
(744 ratings)
Huperzine 50 mcg
Caffeine 300 mg
Alpha-GPC 200 mg
Product Image
Score90

A refreshing and potent pre-workout for intense energy, focus, and muscle performance.

How scoring works
Quantity:340 Gram(s) • (20 servings)
Goals:
Fitness
Productivity Boost
Energy
Mental Focus
Cognitive Support
Brain Health
Weight Loss
Metabolism Boost

Score 90

A refreshing and potent pre-workout for intense energy, focus, and muscle performance.

How scoring works
$39.95($1.99 per serving)
Amazon
$ 39.95
iHerb
$ 39.99
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Analysis

With clinical doses of citrulline and beta-alanine, this supplement supports better blood flow and helps buffer fatigue in the muscles. It features 300 mg of caffeine anhydrous for immediate energy. The strawberry watermelon flavor is a popular choice for those who want a refreshing pre-workout drink.

The formula also includes AlphaSize Alpha GPC, which is a high-quality source of choline for focus. It fits those who are looking for a comprehensive performance powder that doesn't hide amounts in proprietary blends. It supports high-level intensity from start to finish.

Pros

  • Includes premium AlphaSize Alpha GPC
  • Supports high-intensity physical output
  • Clear, transparent ingredient labels
  • Excellent mixability

Cons

  • Caffeine dose is equivalent to 3 cups of coffee
  • Expensive for daily use

Warnings

  • Do not take within 6 hours of bedtime
  • Monitor your heart rate during exercise

Nutrient quality

92 Highest impact

Robust dosages of ergogenic aids like beta-alanine and citrulline provide excellent support for training. Branded forms of choline and caffeine ensure a consistent and high-quality physiological response.

Ingredient transparency

91 Highest impact

Detailed labeling provides the exact amounts for the majority of active ingredients used in the mix. Clear naming and standardized units allow users to monitor their intake accurately.

Customer satisfaction

90 Highest impact

Positive user experiences are reflected in a strong average rating from a large number of consumers. Feedback suggests that the product consistently meets expectations for focus and energy support.

Value for money

86 Highest impact

Premium pricing is supported by the high quality and meaningful dosages of the active performance matrix. Each serving delivers significant ergogenic value compared to lower-cost, underdosed alternatives.

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Goals

Fitness
Impact
Highest effect
A+ Goal FitA+ Strength of SupportA+ CoverageA+ Formula Quality

Citrulline, beta-alanine, and caffeine provide a robust stimulant and ergogenic base to support physical endurance and power output. These ingredients may contribute to enhanced blood flow and reduced perceived exertion during training.

Creatine and Alpha-GPC address energy and mental focus mechanisms required for high-intensity exertion. The multi-functional profile appears well aligned with fitness goals of increasing performance and mental focus.

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Productivity Boost
Impact
Highest effect
A+ Goal FitA Strength of SupportA+ CoverageA Formula Quality

Caffeine, Alpha-GPC, and Huperzine A are provided in this performance stack to support intense focus and immediate mental energy. These ingredients appear well aligned with high-performance productivity through their effects on central arousal and acetylcholine levels.

The inclusion of premium AlphaSize provides a reliable tool for supporting the neurological speed required for demanding tasks. This formulation targets both the physical and cognitive systems necessary for sustained attention and stamina.

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Energy
Impact
Highest effect
A+ Goal FitA Strength of SupportA CoverageA Formula Quality

Ingredients include Caffeine Anhydrous, Theacrine, Beta-Alanine, Creatine, Alpha-GPC, and Huperzine A. These components target acute mental focus and physical performance during high-stress training.

Neurotransmitters are supported by Alpha-GPC and Huperzine A to enhance the cognitive component of energy. Muscular endurance and ATP availability are supported by creatine and beta-alanine.

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Mental Focus
Impact
Highest effect
A Goal FitA- Strength of SupportA CoverageA Formula Quality

Caffeine, Alpha-GPC, and Huperzine A work together to support peak alertness and neurotransmitter balance. This formulation delivers 300mg of caffeine for an immediate and potent boost in concentration and vigilance.

Improved cognitive function and sustained attention appear well aligned with this nootropic-stimulant blend. The inclusion of tyrosine as a precursor for focus-related chemicals further enhances the product's effectiveness for demanding tasks.

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Cognitive Support
Impact
Highest effect
A+ Goal FitA- Strength of SupportA- CoverageA Formula Quality

Acute mental focus and alertness are supported through a performance-driven nootropic stack.

C4 Ultimate combine AlphaSize 50% A-GPC and Huperzine A with 300mg of Caffeine to aid cognitive stamina.

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Brain Health
Impact
Highest effect
A Goal FitB+ Strength of SupportA- CoverageA- Formula Quality

Caffeine anhydrous and Alpha-GPC are combined with Huperzine A to support acute cognitive focus and mental energy. These ingredients may contribute to enhanced alertness and neurotransmitter balance during demanding tasks.

A 300mg dose of caffeine provides significant mental stimulation, while Alpha-GPC supports the synthesis of acetylcholine. The addition of Huperzine A addresses the prevention of acetylcholine breakdown for prolonged cognitive benefit.

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Ingredients

IngredientAmount per serving
Calories
5 Calorie(s)
Total Carbohydrates
1 Gram(s)
C4 Super Citrulline Pump Matrix
6 Gram(s)
CarnoSyn (Beta-Alanine)
 3.2 Gram(s)
Creatine Hydrochloride
1 Gram(s)
Creatine Nitrate (NO3-T)
 1 Gram(s)
Taurine
1 Gram(s)
N-Acetyl-L-Tyrosine
400 mg
Caffeine Anhydrous
300 mg
AlphaSize 50% A-GPC
200 mg
Theacrine
62.5 mg
Rauwolfia vomitoria root extract
1 mg
Huperzine A (Toothed Clubmoss extract)
 50 mcg
Adults 18–50 Women
Report overview
Huperzine (Toothed Clubmoss extract) · 50 mcg OverallScore80
B Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB Value
This Strawberry Watermelon flavor of C4 Ultimate provides 50 mcg of Huperzine A for cognitive focus during exercise. It utilizes quality botanical extracts but relies on a powder delivery system that may lead to minor dosing inconsistencies.
View ingredientView products
Caffeine · 300 mg OverallScore69
B Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyF Value
This premium pre-workout formula delivers a potent dose of caffeine anhydrous for maximum performance during training. While it features excellent transparency and high-quality stimulants, the high price and standard release profile are factors for users to consider.
View ingredientView products
Alpha-GPC · 200 mg OverallScore52
C+ Active Ingredient Quality & BioavailabilityC- Dose, Safety & Label TransparencyF Value
This performance blend is notable for its transparent labeling of the active AlphaSize content, providing better clarity than many competitors. It is an excellent choice for transparency, though the price per active dose remains quite high.
View ingredientView products
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