RX'D Pre-workout + Peako2

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RX'D Pre-workout + Peako2

40.00 59.99

Our new RX'D is developed to be stronger, better and provide almost double the energy boost than our PeakO2 Preworkout - and all without the jitters.  Contains PeakO2 for increased power and endurance in only seven days!  Comes in our brand new flavor, "Bombsicle."

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  • 6 Grams Citrulline Malate 2:1
  • 2 Grams Creatine HCL
  • 300mg Alphasize GPC
  • 50mg Teacrine 40% Yielding
  • 2 Grams PeakO2

Combine for Maximum Potential

Formulated for serious athletes seeking maximum physical performance, PeakO2 maximizes human power and endurance. It’s no wonder bodybuilders, team-sport athletes, cross-fitters, MMA fighters, cyclists, and strength and endurance enthusiasts are all incorporating PeakO2 into their supplement regimens. There’s simply no quicker, easier way to unleash the power within.

Peako2 is an organic-certified combination of six Ayurvedic mushroom strains grown and harvested right here in the U.S. These mushrooms are powerful adaptogens , that allow athletes to “adapt” to and overcome physical and mental stress, giving you the extra edge youwant to take your training to the next level.

Using such ingredients as peako2 you can expect to have increased power and endurance in only seven days! Peak0₂’s mushroom strains are grown on organic whole oats—a unique process that preserves peak bioactivity for maximum performance.. Peak0₂ contains high levels of beta glucans and L-Ergothioneine, a “master” antioxidant that fights damage from oxidative stress in the body, helping athletes train longer, recover faster, and feel better throughout the process.

How PeakO2 Works

PeakO2 is a patent-pending blend of six adaptogens demonstrated to boost physical power across a wide spectrum of athletic endeavors. CSI’s breakthrough is our organically-certified manufacturing process, which preserves high levels of bioactivity to maximize improvements in power and endurance

Measurable Benefits

  • Elevates Maximum Power
  • Improved "anaerobic peak power" by optimizing oxygen utilization
  • Maximizes exercise duration by extending time-to-exhaustion
  • Enhances workout effectiveness by increasing exercise capacity
Citrulline Malate Citrulline malate is proven to help promote muscle pumps and increase endurance.
Betaine Improve body composition, promote muscle gain and fat loss. Increases protein syenthesis in the body.
Beta Alalanine Beta Alalanine aids with gaining muscle strength & power all while muscle growth and endurance.
Taurine Taurine gives you that extra boost of speed while helping you maintain your focus and reducing soreness*.
Creatine HCL Provides endurance, muscle recovery and strength. No loading phase or cycling, no bloating or GI issues - and no water retention*
Alphasize Alphasize acts to optimize muscular output, sharpen agility, and also delay mental fatigue*
Caffeine Anhydrous Caffeine Anhydrous promotes the wakefullness feeling - and energy*
Teacrine Teacrine supports mental and physical energy*, energy without jitters, and supports a positive mood*
Astragin Astragin is to promote absorption of key ingredients such as amino acids, creatine, arginine, citrulline, beta-alanine, glucosamine and several other nutrients.

Competition Tested.

In the first seven days of a 21-day clinical study at the University of North Carolina, Chapel Hill, competitive athletes supplementing with four grams per day of PeakO2 improved their Peak Power Output 17.6% over baseline. The placebo group decreased 11.8% compared to baseline.

The 28 UNC athletes underwent six minutes of high-intensity cycling and a three-minute bicycle sprint. The PeakO2 group improved its collective time to exhaustion by 70 seconds, compared to a mere 5-second reduction by the placebo group.

Core Extreme Nutrition is also working on other products to help people reach their overall health goals.