Food supplement · Cellucor
C4 Extreme Watermelon
Why Cellucor c4 extreme watermelon?
- 250 mg vitamin c per serving
- 417% of the daily value
From the label’s panel and printed marks — not its marketing.
Supplement Facts
Serving size 1-2 scoops (5.7–11.4 g)
Calories5 kcal
Total Carbohydrates1 g
Vitamin C250 mg
Calcium28 mg
Niacin30 mg
Folic Acid250 mcg
Vitamin B1235 mcg
Full panel ↓Sold as food, not medicine — no regulator checked that it works
Per serving · 1-2 scoops (5.7–11.4 g)
At a glance
From the label as printed · NIH DSLD
Dietary supplement · Powder
Per serving250 mg vitamin c
417% of the daily value — our arithmetic on the label’s own numbers
30 servings per container
Add (4-6 oz.) of water for each serving.
One serving: 1-2 scoops (5.7–11.4 g)
Do not use in combination with synephrine, caffeine or any stimulants from other sources whatsoever including but not limited to, coffee, tea, soda and other dietary supplements or medications containing phenylephrine or caffeine.
All warnings ↓No third-party testing mark on the label
Marks like USP Verified mean an independent lab checked that the product contains what the label says.
- Food supplement — claims are the manufacturer’s
- Adult (18 - 50 Years)
Supplement Facts
Supplement Facts
Serving size 1-2 scoops (5.7–11.4 g)
Servings per container 30
| Amount per serving | % DV | |
|---|---|---|
| Calories | 5 kcal | † |
| Total Carbohydrates | 1 g | <1% |
| Vitamin C | 250 mg | 417% |
| Calcium | 28 mg | 3% |
| Niacin (Niacinamide) | 30 mg | 150% |
| Folic Acid | 250 mcg | 62% |
| Vitamin B12 | 35 mcg | 588% |
| Beta-Alanine | 1500 mg | † |
| Creatine Nitrate | 1000 mg | † |
| Arginine AKG | 1000 mg | † |
| Explosive Energy Blend | 741 mg | † |
| Vitamin C (Ascorbic Acid) | 0 NP | |
| N-Acetyl-L-Tyrosine | 0 NP | |
| Caffeine Anhydrous | 135 mg | |
| Mucuna pruriens (L-Dopa) | 0 NP | |
| Bitter orange (Synephrine) | 0 NP | |
| Niacinamide | 0 NP | |
| Folate (Folic Acid) | 0 NP | |
| Pyridoxal 5-Phosphate | 0 NP | |
| Vitamin B12 (Methylcobalamin) | 0 NP |
† Daily Value not established.
- Vitamin C250 mg417%
- Calcium28 mg3%
- Niacin30 mg150%
- Folic Acid250 mcg62%
- Vitamin B1235 mcg588%
Other ingredients: Artificial Flavors, Citric Acid, Malic Acid, Silicon Dioxide, Calcium Silicate, Sucralose, Acesulfame Potassium, FD&C Red Lake #40
Transcribed from the label by the NIH Office of Dietary Supplements. What a label says is not independently verified. See the original label
How to take it
- SUGGESTED USE: DO NOT EXCEED RECOMMENDED DAILY INTAKE USE ONLY AS DIRECTED. Directed use on Training Days: To determine tolerance, begin by taking one serving (1 scoop) mixed with (4-6 oz.) of water 20-30 minutes before training. After personal tolerance has been assessed, take one to two servings (1-2 scoops) 20-30 minutes before training begins. Add (4-6 oz.) of water for each serving. During your workout, it is recommended that you drink plenty of water.
The manufacturer’s directions, from the label.
Warnings on the label
- Do not use in combination with synephrine, caffeine or any stimulants from other sources whatsoever including but not limited to, coffee, tea, soda and other dietary supplements or medications containing phenylephrine or caffeine.
- IMPORTANT DISCLOSURE: This product may contain legal dietary ingredients that are prohibited by Sports and/or cause a false positive for banned or prohibited substances ("PS"). Due to the unique restrictions of amateur and professional sports organizations, the Armed Forces, law enforcement and other agencies and employers, as well as the possibility of legal dietary ingredients causing a false positive for PS, do not take this product if you are subject to PS testing without the approval and/or authorization of the organization, entity, agency or governing body that requires the testing.
- Discontinue use and consult your health care professional 2 weeks prior to surgery, or if you experience rapid heartbeat, dizziness, severe headache, shortness of breath or any other adverse reaction to this product. Do not combine with alcohol. Do not exceed recommended serving. Do not use if safety seal is broken or missing. Do not use for more than 8 weeks.
- Before using this product consult with your physician if you are pregnant or nursing, or if you are using any prescription or over the counter medication or if you have any pre-existing medical condition including but not limited to: high or low blood pressure, cardiac arrhythmia, stroke, heart, liver, kidney or thyroid disease, psychiatric or epileptic disorders, diabetes, recurrent headaches, enlarged prostate, difficulty urinating, glaucoma, or if you are taking a MAOI (Monoamine Oxidase Inhibitor), antidepressants, aspirin, nonsteroidal anti-inflammatory drugs or products containing phenylephrine, ephedrine, pseudoephedrine, or any other medication.
- Keep out of reach of children.
- This product is only intended to be consumed by healthy adults 18 years of age or older.
- WARNING: Do not take if you are currently taking nitrates for chest pain or if you are taking medication used to treat erectile dysfunction such as PDE-5 inhibitors.
What no one has checked
Supplements are regulated as food, not as medicine. No regulator has assessed whether this product works, and manufacturing standards vary widely between brands and countries.
Compare with similar products
Details
| Brand | Cellucor |
|---|---|
| NIH label ID | 18980 |
| Label recorded | 2013-03-25 |
Source: Dietary Supplement Label Database · NIH Office of Dietary Supplements · retrieved 2026-09-21 · not reviewed by a nutrition professional