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Arms Race Nutrition

Harness RTD Sample Pack

Harness RTD Sample Pack

  • Energy
  • Power
  • Focus
Regular price $24.99 USD
Regular price Sale price $24.99 USD
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Shipping calculated at checkout.

Exclusive, Limited Time Only

5 Bottle Sample Pack

Limit 1 Sample Pack per Order

ARN's Harness RTD pre workout delivers the same energy, focus, and pump as our original HARNESS pre-workout powder, but it is conveniently 'ready to drink' no need for a shaker or water! 350 mg total caffeine (300mg of Caffeine Anhydrous and 75mg of Di Caffeine Malate yielding 75%) for long-lasting energy. Available in 5 mouth-watering flavors: Big Apple, Key West, Venice Beach, Lemon Rush, and Rainbow Sherbet

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  • elevATP®

    It's like rocket fuel for your muscles! ElevATP® increases ATP production, which means a surge of blood flow, oxygen delivery, and glucose love to your hard-working muscles.

  • Alpha GPC 50%

    Brain fog, meet your kryptonite. Alpha-GPC 50% boosts cognitive function so you can stay sharp as a tack. Mental clarity, at your service. Alpha-GPC 50% enhances memory and learning, so you can make the most of every task!

  • L-Citrulline

    The ultimate detox for your blood vessels! L-Citrulline helps to increase production of nitric oxide, which in turn dilates your blood vessels for better FLOW to your muscles. Reducing muscle soreness and enhancing aerobic performance.

  • Caffeine Anhydrous

    A no-brainer in this pre workout formula! Caffeine helps you power through tough training sessions and smash your fitness goals.


    Dicaffeine Malate

    Keep that energy coming, all day long. Dicaffeine Malate is the sustained-release ingredient that delivers a steady stream of caffeine-infused energy.


ARN ready-to-drink pre workout drinks are here! With a fully dosed, all-in-one blend of endurance, pump, energy, and focus,these convenient little bottles pack a serious pre-workout punch.

Our Harness RTD's deliver the same energy, focus, and pump as our original Harness pre-workout powder, but they are conveniently 'ready to drink' - no need for a shaker or water!


As a dietary supplement, take one (1) serving (12 fl oz.) 15-30 minutes prior to your workout.

Do not exceed one (1) serving within a 24 hour period.




HARNESS is our comprehensive pre-workout solution scientifically formulated to increase your athletic performance.

Key ingredients used have been shown to increase VO2 max, voluntary maximum contractile force, and total time to fatigue, while simultaneously decreasing feelings of fatigue.


What's Supp!?


Are Harness RTD's for me?

HARNESS can be used by anyone looking to improve their performance in the gym. Whether you are a bodybuilder, cross-fit athlete, or just everyday gym goer, HARNESS can help you achieve your full potential. Of course, if you have any questions about if caffeinated products are right for you, always consult your primary care physician prior to use.

How much caffeine is in a Harness RTD?

Two types of caffeine: standard caffeine anhydrous AND Dicaffeine Malate, a slower release caffeine that promotes long lasting energy with no jitters and no crash

Caffeine Anhydrous: 1 serving: 300mg

Dicaffeine Malate: 1 serving: 75mg

Can I stack it with Daily Pump?

Absolutely! We actually recommend combining the two to get the most out of your workout performance. Smooth, clean energy plus a killer pump! A match made in supplement heaven.