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GenOne Old Jack Extreme

30 Servings

GenOne Old Jack Extreme is a powerful high-stim pre-workout that will take your workouts to a new level! If you miss the energy and focus of some of the best pre-workouts ever made, you can experience it all over again with Old Jack Extreme!

: GenOne
: 30 Servings
: 1 Scoop (17 Grams)
: 30
: Pre-Workout Supplements

$32.95 $39.99


Experience Insane Energy, Focus & Pumps!

GenOne Labs Old Jack Extreme – 30 Servings

  • Intense Energy & Focus
  • Improved Endurance
  • Huge Pumps

Bring back the glory days of some of the strongest pre-workouts ever released with Old Jack Extreme by GenOne Labs! If you miss the days when your favorite pre-workout could blow the roof off the gym, you’ll love Old Jack Extreme. Talk about insane energy, intense focus, extended endurance, and crazy pumps – Old Jack Extreme has it all. Not to mention, it mixes up easy and tastes great!

Don’t take a pre-workout that can’t touch the power of Old Jack Extreme when you can bring back the days of hardcore pre-workouts that could drive you through any workout, no matter how brutal – pick up a container of Old Jack Extreme by GenOne Labs today and Feel The Power!

SKU: 680175743119 Brand: Category: Purpose: Muscle Builder

Supplement Facts

Serving Size: 1 Scoop (17 Grams)  
Servings Per Container: 30  
Amount Per Serving  
Vitamin C (as Ascorbic Acid) - 250 mg  
Vitamin B3 (as Niacinamide) - 60 mg  
Vitamin B6 (as Pyridoxine HCL) - 1 mg  
Vitamin B12 (as Cynanocobalamin) - 50 mcg  
L-Citrulline - 4 Grams  
Beta Alanine - 4 Grams  
Creatine Disodium Phosphate - 2 Grams  
Arginine Alpha-Ketolutarate - 1 Gram  
Taurine - 1000 mg  
Proprietary Blend - 806 mg  
N-Acetyl-L-Tyrosine, Caffeine Anhydrous (300 mg), Senegalia Berlandieri Extract (leaves)(yielding Phenylethylamine alkaloids including Beta Phenylethylamine HCL, N, N-Dimethyl-Beta-Phenylethylamine, N-Methyl-Beta Phenylethylamine HCL, N-Methyl-Beta-Methylphenylethalamine HCL), Cognizin Citicoline, Mucuna Pruriens (98% L-Dopa), Theophylline, Isopropylnorsynephrine, Alpha Yohimbine, Huperzine A.


Determine tolerance by mixing scoop in 8-12oz. cold water and consume 15-30 minutes before your workout. Once tolerance has been determined, you can use 1 scoop.


Discuss with your physician before taking if you have a medical condition or are taking any prescription medications. Stop use and discuss with your physician if any negative effects occur. Do not exceed suggested dose. Contains stimulants. Do not combine with caffeine or other stimulant-based products. Do not use within 5 hours of bedtime. Do not take if pregnant or lactating. Must be 18 years old to use this product. Keep away from children. Do not use if seal has been tampered with. Store in a cool, dry place.

* No claims found on this web page or in print have been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. No claim or opinion about weight loss, bodybuilding or general health on this web page is intended to be, nor should be construed to be, medical advice. Please consult with a healthcare professional before starting any weight loss diet or exercise program.

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