$14.96 $24.99
Sold out


Met-Rx Pre-Fx 1Lb Fruit Punch

MET-Rx PRE-Fx 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.


  • 8.3 g ATP Strength Matrix - Creatine Monohydrate, Creatine Hydrochloride & Beta-Alanine
  • 3000 mg Caffeine - Energy & Mental Focus
  • Supercharged with L-Arginine & L-Citrulline Malate
  • Carnosyn - Carnosine Synthesizer


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.

Ingredients and Supplement facts

Serving Size: 1 Scoop (13 g) 1 Scoop (13 g) 2 Scoops (26 g)
Servings Per Container: about 35 about 17
  Amount Per Serving %Daily Value Amount Per Serving %Daily Value
Calories 45   90  
Total Carbohydrate 4 g 1%** 8 g 3%**
Total Sugars <1 g *** 1 g ***
Includes Added Sugars <1 g 1%** 1 g 2%**
Vitamin B-6 (as Pyridoxine Hydrochloride) 24 mg 1,412% 48 mg 2,824%
Folate 700 mcg DFE
(420 mcg folic acid)
175 % 1,400 mcg DFE
(840 mcg folic acid)
Vitamin B-12 (as Cyanocobalamin) 140 mcg 5,833% 280 mcg 11,667%
Choline (as Choline Bitartrate) 150 mg 27% 300 mg 55%
Strength-ATP Matrix
Creatine Blend (Creatine Monohydrate, Creatine Hydrochloride)
Beta-alanine (as CarnoSyn)
4.15 g (4,150 mg)
2.55 g
1.6 g
8.3 g (8,300 mg)
5.1 g
3.2 g


Nitro-Dilate Complex
L-Citrulline Malate
2.25 g (2,250 mg)
1.5 g
750 mg
4.5 g (4,500 mg)
3 g
1.5 g
Neuro-Max Blend
Caffeine Anhydrous
1.15 g (1,150 mg)
1 g
150 mg
2.3 g (2,300 mg)
2 g
300 mg
**Percent Daily Values are based on a 2,000 calorie diet.
***Daily Value not established.

Other ingredients

Maltodextrin, citric Acid, natural and artificial flavors, beet juice color. 

Contains <2% of: Silica, Sucralose.


This product contains caffeine. Avoid additional consumption of caffeine, which may cause adverse effects.

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 if 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.