RRP £39.99
Save £10.04

Buy 2 or more products priced over £9.99 from the Cellucor range and save on each product

Buy 2+ save 5%
Buy 4+ save 7.5%

C4 Ultimate is formulated to help fuel your performance and power you through the toughest gym session.

Full description


C4 Ultimate is formulated to help fuel your performance and power you through the toughest gym session.


Per 2 scoops:

o 300mg Caffeine

o 4.8g Carnosyn® Beta Alanine

o 7g L-Citrulline

o 1.25g BetaPower® Betaine

o 500mg L-Tyrosine

o 200mg Choline

o 200mg Cereboost™

o 150mg Enxtra

o 35mg Astragin

Cereboost®, a superior quality, completely natural, patented extract of American ginseng. Cereboost has a positive impact on three aspects of the Mind and Energy continuum: Energy, Relaxation, Cognition.

CarnoSyn® is the most common and highest-quality beta alanine available, and aids enhancing muscle endurance and  exercise performance levels in athletes and bodybuilders,  Improving training volume and reducing fatigue during  resistance training, among many other benefits.

BetaPower®, naturally derived betaine from beets, helps  maintain cellular hydration within the muscle during periods of  intense stress.

enXtra is a caffeine-free alternative clinically shown to support alertness and help focus, Cognitive health & mental performance.

AstraGin® is a patented, 100% plant-based compound that increases the absorption of many vital nutrients promoting a healthy gut environment.

Suggested Use – Take 1 serving (2 level scoops) mixed with 700ml of water 20-30 mins before training. Do not exceed recommended dose.

Warning – This product contains 300mg of caffeine per serving. Do not consume more the 400mg of caffeine per day

Ingredients – L-Citrulline, CarnoSyne, Beta Alanine, Acidity Regulators (Citric Acid, malic acid), Flavourings, Beta Power - Betaine Anhydrous, Anti Caking agents (Silicon Dioxide, Calcium Silicate), Sodium Citrate, Magnesium Salts of citric acid, Sodium Chloride, Choline Bitartrate, L-Tyrosine, Colourings, Caffeine Anhydrous, Cereboost (Panax quinquifolious root extract), Enxtra (Alpina galanga rhizome extract, Sweetener (Sucralose), Astragin, Cyanocobalamin, Pyridoxine Hydrochloride.

May Contain Milk and Gluten


Product Form
Primary Ingredients
Choose your Goal
Muscle Pump, Energy,
Time of consumption
Pre Workout
Drug Tested for Sport
Special Offer

Delivery & returns


We offer a number of delivery options at the checkout. If you add your items to your basket and enter your postcode all delivery options, estimated delivery dates and pricing for your area will be shown.

View or full Deliveries Policy here.


We want you to be happy with every purchase you make. Accordingly, you may inspect the items you buy as if you were in one of our stores. However, whilst you are deciding whether to keep your purchases, you do have a statutory duty to take reasonable care of our goods. Therefore, please do not damage the items whilst you inspect them.

Where you have failed to take reasonable care of the goods, whether whilst in your possession or when returning them, we reserve the right to refund you in full less any amounts due by way of compensation to either repair the goods or to cover any loss.

If you wish to return a product you have purchased from our website, making note of any Non-returnable products, you may do so.

View or full Returns Policy here.