- America's #1 Pre-Workout Brand‡
- Explosive Energy & Performance
- Naturally & Artificially Flavored
- Dietary Supplement
- 30 Servings
- NSF - Certified for Sport
- CarnoSyn - Carnosine Synthesizer
C4 Sport®, taken 30 minutes prior to exercise, provides a boost of energy and focus to maximize your workout.
NSF - Certified for Sport®
The NSF Certified for Sport® Program helps athletes, coaches and trainers make more informed decisions when choosing supplements. The program is recognized by the NFL, NFL Players Association, MLB, MLB Players Association, PGA, LPGA, and Canadian Centre for Ethics in Sports.
The NSF® certification mark on our products helps athletes of all levels buy our supplements with confidence. Certified supplements must meet rigorous standards that include comprehensive lab testing and extensive evaluation of the manufacturing process to ensure contaminated substances or hidden ingredients are not added to a product.
‡ Based on sales of C4® brand products in the U.S.A. from 2014 to present.
Take one serving (1 scoop) of C4 Sport®, mixed with 6-8 fl. oz. of water 20-30 minutes before training. During your workout, it is recommended that your drink plenty of water.
Malic acid, polydextrose, citric acid, artificial flavors, silicon dioxide, calcium silicate, sucralose, acesulfame potassium, fd&c red #40.
This product is only intended for healthy adults, 18 years of age or older. Do not use if pregnant or nursing. 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 other sources. Discontinue 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 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.
Some individuals may experience a harmless tingling sensation, which is attributed to beta alanine.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.