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C4 Ultimate Orange Mango

Nutrabolt
4.7
★ ★ ★ ★ ★
(347 ratings)
Huperzine 50 mcg
Caffeine 300 mg
Alpha-GPC 200 mg
Product Image
Score91

A high-stimulant pre-workout that supports muscle endurance and extreme mental focus.

How scoring works
Quantity:326 Gram(s) • (20 servings)
Goals:
Fitness
Energy
Productivity Boost
Mental Focus
Cognitive Support
Brain Health
Weight Loss
Metabolism Boost

Score 91

A high-stimulant pre-workout that supports muscle endurance and extreme mental focus.

How scoring works

Also available as

1 option
320 servings • Icy Blue Razz Caffeine 300 mg, Alpha-GPC 200 mg +1 more • 320 Gram(s) • 20 servings $38.82 ($1.94 per serving)
$39.99($1.99 per serving)
iHerb
$ 39.99
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Analysis

This powder is designed for high-intensity athletes who need a significant boost in energy and muscle endurance. It includes 300 mg of caffeine along with citrulline and beta-alanine for muscle pump and stamina. The addition of nootropics means it supports your brain just as much as your body.

The Orange Mango flavor makes it easy to drink, and it mixes well into water. It fits serious gym-goers who want a complete performance supplement in one scoop. It is a premium option for those who want maximum stimulation.

Pros

  • Potent 300 mg caffeine dose
  • Includes cognitive-supporting nootropics
  • Clinical doses of pump ingredients
  • Great tasting flavor

Cons

  • Very high price per serving
  • May be too strong for caffeine-sensitive users

Warnings

  • High caffeine content; avoid other stimulants
  • Beta-alanine may cause a harmless tingling sensation

Nutrient quality

93 Highest impact

Effective dosages of performance-oriented amino acids and stimulants provide a robust base for training. The inclusion of branded forms like AlphaSize ensures higher reliability in ingredient quality.

Ingredient transparency

91 Highest impact

Labeling clearly distinguishes the amounts of each active component despite some matrix naming. Specific concentrations facilitate accurate daily supplement tracking for the user.

Customer satisfaction

93 Highest impact

Consistently positive ratings across a significant user base suggest that the energy and focus benefits are reliable. Very few repetitive complaints regarding results or side effects are found in verified reviews.

Value for money

86 Highest impact

A premium price per serving is justified by the inclusion of clinical-grade dosages and patented ingredients. The formula avoids low-value extras to maintain a competitive profile among high-performance supplements.

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Goals

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

Citrulline and beta-alanine are included to support nitric oxide production and muscular endurance during physical activity. These ingredients may contribute to improved blood flow and reduced training-induced fatigue.

Caffeine anhydrous and creatine provide acute stimulation and energy support for high-intensity training. The multi-functional profile appears well aligned with fitness goals of increasing power and sustained performance.

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

The blend includes Caffeine Anhydrous, Theacrine, Beta-Alanine, Creatine, Alpha-GPC, and Huperzine A. These actives are formulated to provide high-intensity acute alertness and muscular power.

Caffeine and theacrine work synergistically to enhance neurotransmitter activity for sustained focus. Creatine and beta-alanine support the regeneration of ATP and muscular buffering for peak energy output.

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

Caffeine Anhydrous, Alpha-GPC, and Huperzine A are combined in this high-intensity formula to drive acute focus and mental energy. These ingredients target central nervous system arousal and cholinergic pathways, which are critical for maintaining sharp focus and mental speed.

The use of premium branded forms like AlphaSize ensures a reliable source of choline for neurological support. This product appears well aligned with the high-performance energy requirements of both physical and cognitive tasks.

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

Caffeine anhydrous, N-acetyl-L-tyrosine, and AlphaSize Alpha-GPC provide a potent stimulant and nootropic blend for extreme alertness. The inclusion of Huperzine A further may contribute to sustained acetylcholine levels during intense mental or physical tasks.

Providing 300mg of caffeine ensures a rapid increase in vigilance and concentration. This formula is logically constructed for high-performance focus but should be used with caution due to the high stimulant load.

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

Acute mental focus and energy for cognitive performance are provided through a multi-active pre-workout matrix.

Alpha-GPC and Huperzine A are combined with Caffeine and Tyrosine to support sharp alertness during demanding tasks.

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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
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
C4 Ultimate is a performance-driven pre-workout that includes Huperzine A to provide sharp cognitive focus during intense training sessions. Its moderate dose is well-suited for short-term mental energy but requires careful scooping to ensure dose consistency.
View ingredientView products
Caffeine · 300 mg OverallScore69
B Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyF Value
This high-intensity pre-workout features clinical-grade caffeine anhydrous for peak focus and power output. While the formula is transparent and potent, its premium cost and standard immediate-release profile may not suit users looking for sustained energy or value.
View ingredientView products
Alpha-GPC · 200 mg OverallScore44
C+ Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value
This high-stimulant pre-workout utilizes branded AlphaSize to aid focus during training. While it features a premium choline source, the powdered form and high cost per dose of choline are drawbacks for non-athletes.
View ingredientView products
90 Value

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High-Performance Pre-Workout Tangerine

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★★★★★
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★★★★★
(3724 ratings)
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Other sellers (1)
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