C4 Ultimate Shred - Icy Blue RazzIcy Blue Razz | GNC
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Cellucor® C4 Ultimate Shred


Item # 447362
Sugar Free Sugar Free
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Product Information



C4 Ultimate® is the most explosive pre-workout powdered supplement.* Every serving of C4 Ultimate® Shred contains the Ultimate cutting edge formula and SHRED matrix. This blend is powered by clinically-studied ingredients which have been specifically selected from their ability to support fat burning and metabolism - enhancing the results of your fat-shredding workouts.*


  • Provides Energy* from Caffeine, TeaCrine®, Rauwolfa Extract
  • Provides Pumps* from Citrulline Malate, Nitrosigine®
  • Provides Endurance* from CarnoSyn® Beta-Alanine
  • Provides Focus* from Huperzine-A, Zembrin® and Caffeine.
  • Provides Thermogenic properties from Capimax® Cayenne, Oligonol® Lychee Fruit and Green Tea extracts


Nutrition Facts
Serving Size  1 Level Scoop(s)
Servings Per Container  20

Amount Per Serving     % DV

Calories 0  

Total Carbohydrate 1g  
Sugars 0g  
Vitamin C (as Ascrobic Acid) 250mg  
Niacin (as Niacinamide) 60mg   300%
Vitamin B6 (as pyridoxal-5-phosphate) 1mg   50%
Folic Acid 500mcg   125%
Vitamin B12 (as Methylcobalamin) 70mcg   1167%
Calcium (as Calcium Silicate) 103mg  

Citrulline Malate  6 g   **
Beta Alanine (as CarnoSyn®)  3.2 g   **
Betaine Anhydrous  1.5 g   **
Nitrosigine® Inositol-Stabilized Arginine Silicate  1.5 g   **
Bioperine® Black Pepper (piper nigrum) fruit extract  1.33 g   **
   N-Acetyl-L-Tyrosine   **
   Caffeine Anhydrous (300mg)   **
   DygloFit® (Dichrostachys glomerata)   **
   DygloFit® (Dichrostachys glomerata) fruit extract   **
   Velvet Bean (Mucuna pruriens) seed extract   **
   Capsimax® Cayenne (Capsicum annuum) fruit extract   **
   Oligonol® Lychee fruit and Green Tea extracts   **
   Theacrine (as TeaCrine®)   **
   Gingever® Ginger (Zingiber officinale) root extract   **
   AlphaSize® A-GPC (Alpha-Glyceryl Phosphoryl Choline)   **
   Zembrin® (Sceletium tortuosum) aerial parts extract   **
   Rauwolfia vomitoria root bark extract   **
   Huperzine A (from Toothed Clubmoss (Huperzia serrata) aerial parts of extract)   **
Taurine  1 g   **
BioPerine® Black Pepper (Piper Nigrum) Fruit Extract  5 mg   **

** Daily Value (DV) not established.
Other Ingredients
Calcium Silicate, Natural and Artifical Flavor, Silicon Dioxide, Ascesulfame Potassium, Malic Acid, Sucralose, Polydextrose, FD&C Blue #1
Label (click image to enlarge)

How To Use

Take one serving (1 level scoop) of C4 Ultimate® Shred, mixed with 1-12 fl. oz. of water 20-30 minutes before training. For best results, consume daily in combination with an effective diet and training program for 8 weeks, Some individuals may experience a harmless tingling sensation, which is attribute to Beta-Alanine. USE ONLY AS DIRECTED.
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 or nursing. Before taking this product, consult a licensed, qualified, health care professional, especially 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 history of, any medical condition, including but not limited to: high or low blodd pressure, diabetes, anxiety, cardiovascular, psychiatric or seizure disorder, cardiac arrhythmia, stroke, heart, liver, kidney, or thyroid disease, or difficulty urinating due to prostrate enlargement. This product contains caffeine and Sce3letium tortuosom (Zembrin®) and should not be used in combination with other products containing caffeine or Sceletium tortuosom (Zembrin®) or stimulants from other sources, including but not limited to, coffee, tea, soda, or other dietary supplement and medications. Do not use this product continually for more than 8 weeks. Discontinue use 2 weeks prior to surgery. Immediately discontinue use and contact a medical doctor if you experience any adverse reaxction to this product. Do not use id safety seal is broken or missing. Store in a cool, dry place. KEEP OUT OF REACH OF CHILDREN. This product is sold by weight, not volume. Some settling of powder may occur during shipping and handling, which may affect density of powder. This product contains the servings indicated when measured exactly by weight.
Dist. By:
3891 S. Traditions Dr Bryan, TX 77807


4.0 / 5.0
7 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Definitely works...maybe a little too well.
Tried this product for the first time this morning and it definitely worked....maybe a little too well though. Currently 3 hours after my workout and still feeling jittery. I think I'm going to return and stick to my regular C4 blend!
November 26, 2018
Worth the money
I took a scoop and felt it work instantly from the rush of energy to the focus i had to achieve my workout definitely getting this again
November 17, 2018
Mad Good.
I would definitely recommend this product. I was reluctant to try a new flavor but Icy Blue Razz has been getting old so I tried Lemon Italian Ice and it was easily the best tasting pre-workout I have ever had. It also gave me a crazy rush when I got to the gym. Very satisfied.
October 23, 2018
Good Taste... Workout was more productive.
Usually all I read is how good a product taste.... so will get that out of the way first. This flavor Gummy is really good. So the flavor is different a nice change. The product so far seems to work well. I can tell it gives a little more pump and push. Time will tell on the shred part. It does have a lttle spice in the after taste, but not too much. Its worth the change if you are on the fence to try it.
August 4, 2018
My favorite so far gives a great pump for a great workout
June 26, 2018
6 months ago
Good product
June 20, 2018
6 months ago
You don’t want my impression
Gnc honestly does not want my review. My review would not be about c4 but about how I have been treated by gnc. I never receive my order so I went directly to
June 14, 2018
6 months ago
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 3 questions Browse 3 questions and 4 answers
What's the difference between this and C4 Ripped?
A shopper on Sep 19, 2018
Does this make you itchy?
A shopper on Jun 7, 2018
BEST ANSWER: yes this does give you that itcy feeling.
what time so I can sleep should i take this?
A shopper on Jun 19, 2018
BEST ANSWER: Take 30 minutes before workout... do not take before sleep....