PlainVitamins

C4 Ultimate Icy Blue Razz

by Cellucor · powder · 400 grams

  • On the market (NIH)
  • UPC 8 42595 13341 7
  • DSLD label 335116
  • Serving 20 g (1 level scoop)
  • 20 servings

C4 Ultimate Icy Blue Razz by Cellucor lists 20 ingredients, 20 with an amount per serving of 20 g, such as 3.4 mg of vitamin B6, 100 mcg DFE of folate, 6 mcg of vitamin B12 and 75 mg of calcium, beside 4 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in C4 Ultimate Icy Blue Razz?

Each row as the label prints it, per serving of 20 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 Ultimate Icy Blue Razz: Supplement Facts rows against the market (DSLD label 335116, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrates1 g1%Carbohydrate in C4 Ultimate 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).

Total Sugars0 g
Added Sugars0 g0%
Vitamin B6as Pyridoxal 5-Phosphate3.4 mg200%Vitamin B6 in C4 Ultimate Icy Blue Razz against 15,277 products3.4 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg3.4 mg

62% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folateas (6S)-5-Methyltetrahydrofolate Calcium Salt100 mcg DFE25%
Vitamin B12as Methylcobalamin6 mcg250%Vitamin B12 in C4 Ultimate Icy Blue Razz against 14,425 products6 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg6 mcg

74% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Calcium75 mg6%Calcium in C4 Ultimate Icy Blue Razz against 17,831 products75 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg75 mg

64% of 17,831 products listing calcium give more (median 115 mg).

Phosphorusas Dipotassium Phosphate75 mg6%Phosphorus in C4 Ultimate Icy Blue Razz against 3,786 products75 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg75 mg

56% of 3,786 products listing phosphorus give more (median 90 mg).

Magnesiumas Magnesium Citrate20 mg5%Magnesium in C4 Ultimate Icy Blue Razz against 14,003 products20 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg20 mg

83% of 14,003 products listing magnesium give more (median 86 mg).

Chlorideas Sea Salt340 mg15%Chloride in C4 Ultimate Icy Blue Razz against 1,476 products340 mg per serving; the middle half of products list 60 mg to 183.5 mg, the median 75 mg.DV 2,300 mgUL 3,600 mg340 mg

Higher than 87% of 1,476 products listing chloride (median 75 mg).

Sodiumas Sea Salt225 mg10%Sodium in C4 Ultimate Icy Blue Razz against 14,514 products225 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.225 mg

Higher than 86% of 14,514 products listing sodium (median 55 mg).

Potassiumas Dipotassium Phosphate190 mg4%Potassium in C4 Ultimate Icy Blue Razz against 11,614 products190 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg190 mg

Higher than 75% of 11,614 products listing potassium (median 99 mg).

Endurance & Perfomance Complex10.65 g
CarnoSynas Beta-Alanine3.2 gBeta-Alanine in C4 Ultimate Icy Blue Razz against 1,778 products3.2 g per serving; the middle half of products list 1.6 g to 3.2 g, the median 2 g.3.2 g

Higher than 66% of 1,778 products listing beta-alanine (median 2 g).

Velox Patented Performance Blendin the blend, no amount given
L-Citrulline3 gCitrulline in C4 Ultimate Icy Blue Razz against 1,209 products3 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.3 g

40% of 1,209 products listing citrulline give more (median 3 g).

L-Arginine3 gArginine in C4 Ultimate Icy Blue Razz against 1,455 products3,000 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.3,000 mg

Higher than 91% of 1,455 products listing arginine (median 500 mg).

BetaPoweras Betaine Anhydrous1.25 gBetaine Anhydrous in C4 Ultimate Icy Blue Razz against 860 products1.25 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.1.25 g

59% of 860 products listing betaine anhydrous give more (median 1.5 g).

PeptiPump Bioactive Lentil Peptides200 mg
No3-Tas Creatine Nitrate1.5 gCreatine in C4 Ultimate 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).

Ultimate Energy, Focus & Stimulant Matrix1.37 g
L-Tyrosine1 gTyrosine in C4 Ultimate Icy Blue Razz against 1,680 products1,000 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.1,000 mg

Higher than 75% of 1,680 products listing tyrosine (median 500 mg).

Caffeine Anhydrous300 mgCaffeine in C4 Ultimate Icy Blue Razz against 3,358 products300 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.300 mg

Higher than 76% of 3,358 products listing caffeine (median 200 mg).

Dynamineas Methylliberine50 mgMethylliberine in C4 Ultimate Icy Blue Razz against 67 products50 mg per serving; the middle half of products list 50 mg to 100 mg, the median 75 mg.50 mg

61% of 67 products listing methylliberine give more (median 75 mg).

TeaCrineas Theacrine10 mgTheacrine in C4 Ultimate Icy Blue Razz against 237 products10 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.10 mg

97% of 237 products listing theacrine give more (median 50 mg).

Toothed Clubmoss Aerial Parts Extractas Huperzia serrata Aerial Parts Extractstd. 1% huperzine A5 mgToothed Clubmoss in C4 Ultimate Icy Blue Razz against 90 products5 mg per serving; the middle half of products list 1 mg to 10 mg, the median 5 mg.5 mg

48% of 90 products listing toothed clubmoss give more (median 5 mg).

Rauwolfia vomitoria root bark extract1 mgAfrican Snakeroot in C4 Ultimate Icy Blue Razz against 102 products1 mg per serving; the middle half of products list 1 mg to 2 mg, the median 2 mg.1 mg

70% of 102 products listing african snakeroot give more (median 2 mg).

Source: NIH ODS Dietary Supplement Label Database, label 335116 (entered July 24, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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:

  • Its 3,000 mg of L-arginine (filed by NIH under arginine) is higher than 91% of the 1,455 arginine products that print an amount; 71 list more.
  • 61% of the 67 products that print an amount of methylliberine list more than its 50 mg of dynamine (filed by NIH under methylliberine) (median 75 mg).
  • 97% of the 237 products that print an amount of theacrine list more than its 10 mg of TeaCrine (filed by NIH under theacrine) (median 50 mg).
  • 70% of the 102 products that print an amount of african snakeroot list more than its 1 mg of rauwolfia vomitoria root bark extract (filed by NIH under african snakeroot) (median 2 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?

2 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 Take one serving (approx. 1 scoop) of C4 Ultimate with 12 fl. oz. of water and consume 20-30 minutes before training. Studies have shown benefits of CarnoSyn Beta-Alanine to be correlated with cumulative use. Some individuals may experience a harmless tingling sensation, which is attributed to Beta-Alanine.
Warnings
Warning This product is only intended for healthy adults, 18 years of age or older. Keep out of reach of children.
Do not use if pregnant, nursing, or currently taking PDE-5 inhibitors or nitrates for chest pain. Do not take this product before first consulting a licensed, qualified, health care professional if 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.
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 from other sources. 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 this product continuously for more than 8 weeks. Do not use if the safety seal is broken or missing.
Storage
Minimum fill line after settling. This product is sold by weight, not volume. The density of the powder varies, and significant settling of powder may occur during shipping and handling. This product contains the servings indicated when measured by weight.
Store in a cool, dry place.

Source: label statements in DSLD label 335116.

What else is on the label?

Other ingredients: Malic Acid, Citric Acid, Calcium Silicate, Silicon Dioxide, Natural & Artificial Flavors, Sucralose, Acesulfame Potassium, Spirulina Extract.

How many labels does C4 Ultimate Icy Blue Razz have?

4 labels are on file under this name since January 25, 2018: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 335116 (current) Entered July 24, 2025 · on the market · 400 grams · UPC 8 42595 13341 7
  2. Label 322572 Entered April 24, 2025 · on the market · 320 grams · UPC 8 42595 11226 9
  3. Label 82655 Entered February 23, 2018 · on the market · 760 grams · UPC 8 10390 02984 6
  4. Label 82654 Entered January 25, 2018 · off the market March 28, 2023 · 380 grams · UPC 8 10390 02980 8

DSLD also links this label to: C4 Ultimate Arctic Snow Cone (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), Austin, TX. All Cellucor products.

Where next?