MetRx Pre Workout PreFx

Pre Fx

Regular price $ 19.99 Save Liquid error (product-template line 118): -Infinity%
Pre Fx has a rating of 4.0 stars based on 1 reviews.


Nutrition Facts



MET-Rx PRE-Fx® Powder with Arginine and L-Citrulline is a pre-workout amplifier designed to stimulate nitric oxide production - a key compound for circulation and nutrient delivery to working muscles during training.* It contains powerful dosages of key ingredients designed to help deliver enhanced focus and energy.* This formula includes Strength-ATP Matrix, a blend of Creatine and Beta Alanine, to improve recovery.* The Creatine in the formula also helps to maximize strength & power.*

  • Extreme Pre Workout.
  • 8.3G ATP Strength Matrix† Creatine Monohydrate, Creatine Hydrochloride & Beta-Alanine.
  • 300MG Caffeine†
  • Energy & Mental Focus*
  • Supercharged with L-Arginine & L-Citrulline Malate
Not happy with your order? No problem! Just send it back within 30 days and we'll provide you with a free return label. See our full policy here
We will ship your order from 1 of our 8 warehouses across the United States. If one warehouse doesn't have your entire order in stock we will pull from the next closest warehouse to prevent any delays. 
Campus Protein Warehouses

Nutrition Facts

1 lbs / Fruit Punch

1 Scoop


% Daily value*
Total Carbohydrate
4.0 g
700.0 mcg
Vitamin B6 (as Pyridoxine Hydrochloride)
24.0 mg
Vitamin B12 (as Cyanocobalamin)
140.0 mcg
Choline (as Choline Bitartrate)
150.0 mg
Total Sugars
-1.0 g
Includes Added Sugars
-1.0 g
Strength-ATP Matrix
4.15 g
Creatine Blend (Creatine Monohydrate, Creatine Hydrochloride) (2.55g), Beta-Alanine (as CarnoSyn) (1.6g).
Nitro-Dilate Complex
2.25 g
L-Arginine (1.5g) L-Citrulline Malate (750mg).
Neuro-Max Blend
1.15 g
Taurine (1g), Caffeine Anhydrous (150mg).
Ingredients: Maltodextrin, Citric Acid, Natural and Artificial Flavors, Beet Juice Color. Contains -2% Of Silica, Sucralose.

Not Intended For Use By Pregnant Or Nursing Women. If You Are Taking Any Medications Or Have Any Medical Condition, Consult Your Doctor Before Use. Avoid This Product If You Have Kidney Disease. Beta-Alanine May Cause A Temporary Tingling Sensation, Which Is A Normal Reaction. Discontinue Use And Consult Your Doctor Of Any Adverse Reactions Occur. Not Intended For Use By Persons Under The Age Of 18 Or For Those Sensitive To Caffeine. Use In Conjunction With An Intense Daily Exercise Program And A Balanced Diet Including An Adequate Caloric Intake. Please Note: Crystalline Taurine Will Appear As Small Crystals Within The Powder. Contents Are Sold By Weight. Some Settling May Occur. Keep Out Of Reach Of Children. Store At Room Temperature And Avoid Excessive Heat. Tamper Resistant: Do Not Use If Seal Under Cap Is Broken Or Missing.

For Adults, Mix One (1) To Two (2) Scoops With 10-12 Fluid Ounces of Water and Consume Prior To Your Workout. Vary The Amount Of Water To Achieve Your Desired Flavor And Sweetness Level. Take This Product With An Adequate Daily Fluid Intake For Hydration. As A Reminder, Discuss The Supplements And Medications You Take With Your Health Care Providers. Begin With Half The Recommended Dosage To Assess Individual Tolerance And Gradually Increase To 2 Scoops After Several Workouts. Do Not Take More Than 2 Scoops In A 24 Hour Period. This Product Contains Caffeine. Avoid Additional Consumption Of Caffeine, Which May Cause Adverse Effects.