- ✔︎ Banned Substance Free and Certified
- ✔︎ "Informed-Choice, Trusted By Sport"
- ✔︎ 375 mg of Acetyl-L-Carnitine HCI
- ✔︎ 250 mg of N-Acetyl-L-Tyrosine
- ✔︎ Muscle Matrix including 25 mg of AstraGIN
Optimum GS Pre-Workout Nutrition Information
30 Serves:
55 Serves:
Mix 1 scoop into 6 to 8 fluid ounces of cold water and shake for 30 seconds until consumed. Consume 15-30 minutes before exercise. Take consistently over time in combination with a well-balanced diet and exercise program.
CONSULT YOUR PHYSICIAN BEFORE USING THIS PRODUCT IF YOU ARE TAKING ANY MEDICATIONS OR ARE UNDER A PHYSICIAN’S CARE FOR A MEDICAL CONDITION. NOT FOR USE BY THOSE UNDER THE AGE OF 18, WOMEN THAT ARE PREGNANT, TRYING TO GET PREGNANT, OR NURSING, OR THOSE THAT ARE SENSITIVE TO BETA-ALANINE, CAFFEINE OR NIACIN. DO NOT CONSUME CAFFEINE FROM OTHER SOURCES WHILE TAKING THIS PRODUCT AS TOO MUCH CAFFEINE MAY CAUSE NERVOUSNESS, IRRITABILITY, SLEEPLESSNESS, AND OCCASIONALLY RAPID HEARTBEAT. BETA-ALANINE AND NIACIN MAY CAUSE A HARMLESS, TEMPORARY TINGLING OR FLUSHING SENSATION.
DO NOT COMBINE WITH ALCOHOL. CONSUME AS PART OF A HEALTHY DIET AND EXERCISE PROGRAM, AND DRINK AT LEAST 100 FL OZ OF WATER PER DAY. EXERCISE MAY INCREASE YOUR NEED FOR FLUID INTAKE.
For over 30 Years, Optimum Nutrition® has been the brand professional athletes and gym enthusiasts trust. Everybody has goals - let us help you reach yours.




