PlainVitamins

C4 50x Icy Blue Razz

by Cellucor · powder · 405 grams

  • On the market (NIH)
  • UPC 8 10390 02503 9
  • DSLD label 41998
  • Serving 9 g (1 scoop)
  • 45 servings

C4 50x Icy Blue Razz by Cellucor lists 12 ingredients, 9 with an amount per serving of 9 g, such as 375 mg of vitamin C, 45 mg of niacin, 750 mcg of vitamin B6 and 375 mcg of folic acid; 3 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 March 25, 2015.

What is in C4 50x Icy Blue Razz?

Each row as the label prints it, per serving of 9 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 50x Icy Blue Razz: Supplement Facts rows against the market (DSLD label 41998, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydrates1 g1%Carbohydrate in C4 50x Icy Blue Razz 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). Per day at the most servings: 2 g.

Vitamin Cas Ascorbic Acid375 mg625%Vitamin C in C4 50x Icy Blue Razz against 18,583 products375 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg375 mg

Higher than 79% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 750 mg.

Niacinas NiacinamideNiacin (Form: as Niacinamide)45 mg225%Niacin in C4 50x Icy Blue Razz against 12,413 products45 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg45 mg

Higher than 74% of 12,413 products listing niacin (median 20 mg). Per day at the most servings: 90 mg. 2.6 times the adult UL a day.

Vitamin B6as Pyridoxal 5-PhosphateVitamin B6 (Form: as Pyridoxal-5-Phosphate)750 mcg37%Vitamin B6 in C4 50x Icy Blue Razz against 15,277 products0.75 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg0.75 mg

93% of 15,277 products listing vitamin B6 give more (median 6 mg). Per day at the most servings: 1.5 mg.

Folic Acid375 mcg93%Folate in C4 50x Icy Blue Razz against 7,022 products375 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.375 mcg

65% of 7,022 products listing folate give more (median 400 mcg). Per day at the most servings: 750 mcg.

Vitamin B12as MethylcobalaminVitamin B12 (Form: as Methylcobalamin)52.5 mcg875%Vitamin B12 in C4 50x Icy Blue Razz against 14,425 products52.5 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg52.5 mcg

Higher than 58% of 14,425 products listing vitamin B12 (median 36 mcg). Per day at the most servings: 105 mcg.

Calcium24 mg2%Calcium in C4 50x Icy Blue Razz against 17,831 products24 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg24 mg

89% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 48 mg.

Beta-Alanine2.4 gBeta-Alanine in C4 50x Icy Blue Razz against 1,778 products2.4 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.2.4 g

Higher than 54% of 1,778 products listing beta-alanine (median 2 g). Per day at the most servings: 4.8 g.

Creatine Nitrate1.5 gCreatine in C4 50x Icy Blue Razz against 1,768 products1.5 g per serving; the middle half of products list 1.11 g to 5 g, the median 2.5 g.1.5 g

62% of 1,768 products listing creatine give more (median 2.5 g). Per day at the most servings: 3 g.

Arginine AKG1.5 gArginine Alpha Ketoglutarate in C4 50x Icy Blue Razz against 322 products1.5 g per serving; the middle half of products list 0.75 g to 1.99 g, the median 1 g.1.5 g

Higher than 64% of 322 products listing arginine alpha ketoglutarate (median 1 g). Per day at the most servings: 3 g.

C4 50x Explosion Blend557 mg
N-Acetyl-L-Tyrosinein the blend, no amount given
Caffeine Anhydrousin the blend, no amount given
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
XCELICOR Caffeine Pterostilbene Cocrystalin the blend, no amount given
TeaCorin the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 41998 (entered March 25, 2015), 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:

  • At 2 servings a day, the most its directions give, the label lists 90 mg of niacin, 2.6 times the adult Tolerable Upper Intake Level.
  • 93% of the 15,277 products that print an amount of vitamin B6 list more than its 0.75 mg of vitamin B6 (median 6 mg).

The NIH database records 1 to 2 servings 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(R) 50x, mixed with 4-6 fl. oz. of water 20-30 minutes 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(R) to stay hydrated.
Warnings
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.
Total Caffeine Content: 200mg per serving.
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.
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 a 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.
Storage
Store in a cool dry place.

Source: label statements in DSLD label 41998.

What else is on the label?

Other ingredients: Natural & Artificial flavors, Polydextrose, Malic Acid, Citric Acid, Calcium Silicate, Silicon Dioxide, Sucralose, Acesulfame Potassium, FD&C Blue Lake #1.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): CELLUCOR(R); MANUFACTURED IN A GMP COMPLIANT FACILITY; G4 CHROME SERIES(TM); NO3T(TM) NITRATE TECHNOLOGY NO3-T.COM/PATENTS.

How many labels does C4 50x Icy Blue Razz have?

One label is on file, entered on March 25, 2015.

  1. Label 41998 (current) Entered March 25, 2015 · on the market · 405 grams · UPC 8 10390 02503 9

DSLD also links this label to: C4 50x Fruit Punch (flavor difference), C4 50X Pre-Workout Icy Blue Razz (package size difference, same product), C4 50x Watermelon (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?