🟢 97/100

This product looks safe

  • Niacin: 45mg is 1.3× the Tolerable Upper Intake Level (35mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Niacin: 45mg is 1.3× the Tolerable Upper Intake Level (35mg)

Label Data

9 Gram(s) Serving Size
30 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Calories
5 Calorie(s)
Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin C
375 mg (625% DV)
45 mg (225% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 1.3× (UL: 35 mg) 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 45mg UL 35mg
750 mcg (37% DV)
✅ Within RDA (0.6× RDA of 1.3 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 0.75mg UL 100mg
375 mcg (93% DV)
✅ Within RDA (0.9× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.375mg UL 1.0mg
52.5 mcg (875% DV)
📊 21.9× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.0525mg
Calcium
31 mg (3% DV)
2.4 Gram(s)
📊 Market median: 1500.0mg (104 products) 📚 21 studies (Tier A: 0, B: 2)
This product: 2.4mg
1.5 Gram(s)
📊 Market median: 5.0mg (298 products) 📚 701 studies (Tier A: 5, B: 123)
This product: 1.5mg
1.5 Gram(s)
📊 Market median: 500.0mg (143 products)
This product: 1.5mg
C4 50x Explosion Blend
557 mg

Other Ingredients

Natural & Artificial flavors Polydextrose Malic Acid Citric Acid Calcium Silicate Silicon Dioxide Sucralose Acesulfame Potassium FD&C Red Lake #40

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (83% of products) Nutrient (54% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested use: Do not exceed recommended daily intake. Use only as directed. Take one serving (1 scoop) of Cellucor C4 50x, mixed with 4-6 fl. oz. of water 20-30 minutes before training. Once tolerance has been assessed and you are looking for an additional boost of energy, take one additional serving (1 scoop) with serving taken before training. Do not exceed 2 scoops per day. During your workout, it is recommended that you drink plenty of water or performance beverage such as Cellucor Alpha Amino to stay hydrated.

⚠️ Warnings & Precautions

Do not use this product if you are pregnant, nursing, or are currently taking nitrates for chest pain or if you are taking medication used to treat erectile dysfunction such as PDE-5 inhibitors. Before using this product, consult with a licensed, qualified, health care professional, including but not limited to, if: you are taking antidepressants such as MAOI (Monoamine Oxidase Inhibitor) or SSRI, blood thinners, nonsteroidal anti-inflammatory drugs, pseudoephedrine, or you are taking any other dietary supplement, prescription drug or over-the-counter medication; or if, you suspect you have or have been treated for, diagnosed with or have a family history of, any medical condition, including but not limited to: high or low blood pressure, diabetes, glaucoma, anxiety, cardiovascular, psychiatric or seizure disorders, cardiac arrhythmia, stroke, heart, liver, kidney or thyroid disease, or difficulty urinating due to prostate enlargement. This product contains caffeine and should not be used by individuals wishing to eliminate caffeine from their diet or in combination with caffeine or stimulants from other sources, including but not limited to, coffee, tea, soda, or other dietary supplements and medications.

Discontinue use 2 weeks prior to surgery. Immediately discontinue use and contact a medical doctor if you experience any adverse reaction to this product. Do not exceed recommendations for suggested use. Use only as directed. Do not use if safety seal is broken or missing.

Keep out of reach of children.

Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine.

Do not exceed recommended daily intake. Use only as directed.

Do not exceed 2 scoops per day.

Warning: This product is only intended to be consumed by healthy adults, 18 years of age or older.

🧪 Formulation Notes

Powerful energy intensifier with Xcelicor

This product contains caffeine and should not be used by individuals wishing to eliminate caffeine from their diet or in combination with caffeine or stimulants from other sources, including but not limited to, coffee, tea, soda, or other dietary supplements and medications.

Total Caffeine content: 200 mg per serving.

Additional Information

Pre-workout

Naturally & artificially flavored

Manufactured in a GMP compliant facility

Store in a cool dry place.

102474

30 Servings

Product Details

UPC / SKU 8 10390 02606 7
DSLD Entry Date 2016-07-25
Product Type Other Combinations
Form Powder
Brand Cellucor
DSLD ID 62753
Data Updated 2026-04-11

Research Evidence

371 Research Sources
54 Avg Quality Score
148 Meta Analysis
82 Systematic Review
71 Rct
62 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Narrative Review
1 Other
1 Openfda Safety
A Vitamin C supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for the primary prevention of cardiovascular disease
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin C for preventing and treating the common cold
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin C for preventing and treating pneumonia
Meta Analysis The Cochrane database of systematic reviews 2013
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin C supplementation for prevention and treatment of pneumonia
Meta Analysis The Cochrane database of systematic reviews 2020
A Vitamin C supplementation for prevention and treatment of pneumonia
Systematic Review The Cochrane database of systematic reviews 2021
A Nutritional interventions for preventing and treating pressure ulcers
Meta Analysis The Cochrane database of systematic reviews 2024
A Does Vitamin C Supplementation Provide a Protective Effect in Periodontal Health? A Systematic Review and Meta-Analysis
Meta Analysis International journal of molecular sciences 2024
A Circulating vitamin C concentration and risk of cancers: a Mendelian randomization study
Meta Analysis BMC medicine 2021
View all evidence for Vitamin C →

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