GenOne Old Jack Extreme


GenOne Old Jack Extreme gives you powerful explosive energy that will take your workouts to a new level! If you miss the energy and focus, you can experience it all over again with Old Jack Extreme!

Brand: GenOne
Size: 30 Servings

Brand: GenOne
Size: 30 Servings

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!


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 the 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 the seal has been tampered with. Store in a cool, dry place.

Supplement Facts

30 servings per container
Serving size
1 Scoop
Amount Per Serving
% Daily Value
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
4 g
Beta Alanine
4 g
Creatine Disodium Phosphate
2 g
Arginine Alpha-Ketolutarate
1 g
1,000 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

Daily Value not established.

Global Disclaimer

Manufacturers continually change product specifications, descriptions and ingredients. While we try our best to keep all product information up to date, it may not reflect the latest information available from the manufacturer. Product packaging may contain different or additional information, including the product description, nutritional facts, ingredients, allergens and other information. Always read labels, warnings, and directions and other information provided with the product before using or consuming a product. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. For additional information about a product, please contact the manufacturer.

Determine tolerance by mixing ½ scoop in 8-12oz. cold water and consume 15-30 minutes before your workout. Once tolerance has been determined, you can use 1 scoop.

Additional information

Weight 19.2 oz
Dimensions 8 × 6 × 6 in

30 Servings


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