PlainVitamins

C4 Watermelon

by Cellucor · powder · 195 grams

  • On the market (NIH)
  • UPC 8 10390 02401 8
  • DSLD label 82730
  • Serving 6.5 to 13 g (1-2 scoops); amounts per 6.5 g
  • 30 servings

C4 Watermelon by Cellucor lists 12 ingredients, 10 with an amount per serving of 6.5 g, such as 250 mg of vitamin C, 30 mg of niacin, 500 mcg of vitamin B6 and 250 mcg of folic acid; 2 sit inside a blend without their own amounts, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 23, 2018.

What is in C4 Watermelon?

Each row as the label prints it, per serving of 6.5 g. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

C4 Watermelon: Supplement Facts rows against the market (DSLD label 82730, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydrates1 g1%Carbohydrate in C4 Watermelon against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g).

Vitamin Cas Ascorbic Acid250 mg417%Vitamin C in C4 Watermelon against 18,583 products250 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg250 mg

Higher than 68% of 18,583 products listing vitamin C (median 100 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)30 mg150%Niacin in C4 Watermelon against 12,413 products30 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg30 mg

Higher than 63% of 12,413 products listing niacin (median 20 mg).

Vitamin B6as Pyridoxal 5-PhosphateVitamin B6 (Form: as Pyridoxal-5-Phosphate)500 mcg25%Vitamin B6 in C4 Watermelon against 15,277 products0.5 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg0.5 mg

95% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folic Acid250 mcg62%Folate in C4 Watermelon against 7,022 products250 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.250 mcg

69% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B12as MethylcobalaminVitamin B12 (Form: as Methylcobalamin)35 mcg583%Vitamin B12 in C4 Watermelon against 14,425 products35 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg35 mcg

50% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Calcium19 mg2%Calcium in C4 Watermelon against 17,831 products19 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg19 mg

93% of 17,831 products listing calcium give more (median 115 mg).

Beta-Alanine1.6 gBeta-Alanine in C4 Watermelon against 1,778 products1.6 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.1.6 g

60% of 1,778 products listing beta-alanine give more (median 2 g).

Creatine Nitrate1 gCreatine in C4 Watermelon against 1,768 products1 g per serving; the middle half of products list 1.11 g to 5 g, the median 2.5 g.1 g

75% of 1,768 products listing creatine give more (median 2.5 g).

Arginine AKG1 gArginine Alpha Ketoglutarate in C4 Watermelon against 322 products1 g per serving; the middle half of products list 0.75 g to 1.99 g, the median 1 g.1 g

46% of 322 products listing arginine alpha ketoglutarate give more (median 1 g).

Explosive Energy Blend371 mg
N-Acetyl-L-Tyrosinein the blend, no amount given
Caffeine Anhydrous150 mgCaffeine in C4 Watermelon against 3,358 products150 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.150 mg

57% of 3,358 products listing caffeine give more (median 200 mg).

Velvet Bean (Mucuna pruriens) seed extractas L-DopaVelvet Bean (Mucuna pruriens) seed extract (Form: standardized for L-Dopa) PlantPart: seed Genus: Mucuna Species: pruriensin the blend, no amount given
TeaCorin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 82730 (entered February 23, 2018), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 95% of the 15,277 products that print an amount of vitamin B6 list more than its 0.5 mg of vitamin B6 (median 6 mg).
  • 93% of the 17,831 products that print an amount of calcium list more than its 19 mg of calcium (median 115 mg).

The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

6 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Suggested Use: Do not exceed recommended daily intake. Use only as directed. Take one serving (1 scoop) of Cellucor C4, 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
Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine. Warning: This product is only intended to be consumed by healthy adults, 18 years of age or older.
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 a licensed, qualified, health care professional, including but not limited to, if: you are taking antidepressants such as a MAOI (Monoamine Oxidase Inhibitor) or SSRI, blood thinners, nonsteroidal anti-inflammatory drugs, pseudoephedrine, or you are taking any other dietary supplements, 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 of 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 use if safety seal is broken of missing.
Keep out of reach of children.
Storage
Store in a cool dry place.

Source: label statements in DSLD label 82730.

What else is on the label?

Other ingredients: Artificial Flavors, Polydextrose, Citric Acid, Malic Acid, Calcium Silicate, Silicon Dioxide, Sucralose, Acesulfame Potassium, FD&C Red Lake #40.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Manufactured In A GMP Compliant Facility.

How many labels does C4 Watermelon have?

3 labels are on file under this name since February 25, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 82730 (current) Entered February 23, 2018 · on the market · 195 grams · UPC 8 10390 02401 8
  2. Label 62732 Entered July 25, 2016 · off the market November 1, 2017 · 390 grams · UPC 8 10390 02402 5
  3. Label 41987 Entered February 25, 2015 · off the market October 23, 2014 · 195 grams · UPC 8 10390 02401 8

DSLD also links this label to: C4 Orange Dreamsicle (flavor difference), C4 Pink Lemonade (flavor difference), C4 Strawberry Margarita (flavor difference), C4 Icy Blue Razz (flavor difference), C4 Fruit Punch (flavor difference), C4 Green Apple (flavor difference), C4 Icy Blue Razz (flavor difference), C4 Strawberry Kiwi (flavor difference).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Nutrabolt (distributor), Bryan, TX. All Cellucor products.

Where next?