$35.39 $0.58 per serving
Product analysis
C4 Original Pink Lemonade may help with fatigue during high-intensity exercise when beta-alanine is taken regularly over weeks. Its undisclosed blend makes it harder to check everything in the formula.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality42
Niacin has a clearly identified form, but quality remains uncertain for most other ingredients. The unnamed blend components also prevent a clear judgment of the mixture.
Ingredient Transparency63
Declared ingredient amounts help with serving comparisons, while several forms remain unspecified. The combination blend lacks an individual component breakdown.
Value For Money39
Value varies across ingredients, with a reasonably favorable arginine comparison. The niacin and folate comparisons are less favorable, while value for the rest remains uncertain.
Customer Satisfaction84
Customer ratings indicate high satisfaction. Thousands of reviews give breadth to that positive feedback.
Product Focus34
Beta-alanine connects the formula to repeated-use support for intense exercise. An immediate alertness effect cannot be judged because the caffeine contribution is unresolved.
- Format
Powder - Container
- 390 Gram(s)
- Per serving
- $0.58
- Also available
C4 Original Strawberry Margarita$35.42- Customer rating
- 4.6 · 2,981 ratings
Goals
Impact
High effect
Vitamin B12 · 35 mcg
Beta-Alanine Not classified
No linked studies yet.
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Calories | 0 Calorie(s) | |
Total Carbohydrate | 1 Gram(s) | |
Vitamin C (Ascorbic Acid) | 250 mg | |
Niacin (Niacinamide) | 30 mg | |
Vitamin B6 (Pyridoxal 5-Phosphate) | 500 mcg | |
Folic Acid | 250 mcg | |
Vitamin B12 (Methylcobalamin) | 35 mcg | |
Calcium (Calcium Silicate) | 24 mg | |
CarnoSyn (Beta-Alanine) | 1.6 Gram(s) | |
NO3-T (Creatine Nitrate) | 1 Gram(s) | |
Arginine Alpha Ketoglutarate | 1 Gram(s) | |
Explosive Energy Blend | 425 mg |
Niacin (Niacinamide) · 30 mg OverallScore65
The serving provides 30 mg of niacin. The cost per serving is high. Niacinamide is the stated form.
How this ingredient is rated
Active Ingredient Quality & Bioavailability86
Niacinamide is the stated form.
Niacin Form & Goal Alignment
Niacinamide is the stated form.
Precursor Source Quality
The stated form is niacinamide, with no advanced cellular energy claim in the available details.
Dose, Safety & Label Transparency67
The serving provides 30 mg of niacin. Niacinamide is a non-flushing form; an explicit no-flush claim is not available.
Clarity of Chemical Form
The label identifies the form as niacinamide.
Form-Specific Dosage Efficacy
The serving provides 30 mg of niacin.
Flush Risk & Safety Labeling
Niacinamide is a non-flushing form; an explicit no-flush claim is not available.
Value20
The cost per serving is high.
Price Per Effective Serving
The cost per serving is high.
Arginine Alpha Ketoglutarate · 1 Gram(s) OverallScore54
Each serving supplies 1,000 mg of arginine alpha-ketoglutarate, with a relatively low whole-product cost per gram of AAKG. The ingredient is named without an L- designation or a molecular ratio.
How this ingredient is rated
Active Ingredient Quality & Bioavailability50
The label names arginine alpha-ketoglutarate without an L- designation or molecular ratio.
AAKG Molecular Form and Isomer Specificity
Arginine alpha-ketoglutarate is listed without an L- designation or molecular ratio.
Dose, Safety & Label Transparency50
The amount of AAKG is clearly stated at 1,000 mg per serving.
AAKG Dosage Potency and Transparency
Each serving lists 1,000 mg of AAKG.
Value70
The whole-product cost per gram of AAKG is relatively low.
Price per Gram of AAKG
The whole-product cost per gram of AAKG is relatively low.
Folate · 250 mcg OverallScore52
A serving provides 250 mcg folic acid, an estimated 425 mcg DFE, at a moderate cost per serving. It uses folic acid, which requires conversion by the body.
How this ingredient is rated
Active Ingredient Quality & Bioavailability14
Folic acid requires conversion by the body.
Folate Form Hierarchy
Folic acid requires conversion by the body and may leave unmetabolized folic acid in some people.
Patented Sources & Isomeric Purity
No branded folate source or specific isomer marker is identified in the available information.
Dose, Safety & Label Transparency100
The 250 mcg folic acid corresponds to an estimated 425 mcg DFE using the labeling conversion.
Folate Dosage by Declared Basis
The 250 mcg folic acid corresponds to an estimated 425 mcg DFE using the labeling conversion.
Value30
The cost per serving is moderate.
Price per Bioavailable Serving
The cost per serving is moderate.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- Pharmacokinetics, safety, and effects on exercise performance of L-arginine alpha-ketoglutarate in trained adult men
- Synergistic effects of creatine, carbs, protein on repeated sprint performance.
- The Effects of Creatine Monohydrate Supplementation on Recovery from Eccentric Exercise-Induced Muscle Damage: A Double-Blind, Randomized, Placebo-Controlled Trial Considering Sex and Age Differences.
- The Effect of Prior Creatine Intake for 28 Days on Accelerated Recovery from Exercise-Induced Muscle Damage: A Double-Blind, Randomized, Placebo-Controlled Trial.
- Creatine supplementation attenuates the rate of fatigue development during intermittent isometric exercise performed above end-test torque.
- The effect of continuous low dose creatine supplementation on force, power, and total work.
- A new perspective on vitamin B12 deficiency in rheumatology: a case-based review.
- Effects of Vitamin B12 Supplementation on Cognitive Function, Depressive Symptoms, and Fatigue: A Systematic Review, Meta-Analysis, and Meta-Regression.
- Patients' experiences with methylcobalamin injections in amyotrophic lateral sclerosis.
- Cobalamin deficiency: clinical picture and radiological findings.
- Vitamin B12 Deficiency: Common Questions and Answers.