Pre-Workout Powder

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  • Pre-Workout Powder
  • Pre-Workout Powder
  • Pre-Workout Powder
  • Pre-Workout Powder


Hard Rhino Pre-Workout is a multi-supplement powder with Nitric Oxide and Energy boosting ingredients coupled with vitamins, minerals, and herbal compounds promoting optimal performance per serving. Pre-Workout is available in multiple sizes, caffeinated/caffeine-free variations, and flavors such as Blue Raspberry and Fruit Punch.

Pre-Workout is formulated to provide the most compact blend of essential pump building and energy driving supplements available on the market. Our easy to read supplement facts do not contain any proprietary blends or hidden supplements.†

Experience your best pump with this blend of L-Citrulline DL-Malate, Beta-Alanine, and L-Arginine AKG. Maximizing your Nitric Oxide (NO) production to ludicrous levels while giving you all the focus and endurance you need to shred muscle.†

Suggested Use: 

Take one serving (2 scoops) mixed with 6 - 8 ounces of water 15 - 30 minutes prior to exercise. Do not exceed the suggested use.


This product contains no Soy, Dairy, Dairy byproducts, Eggs, Fish, Shellfish, Wheat, Gluten, Tree Nuts, or Sesame Seeds.


This is a NON-GMO ingredient manufactured using organic starting ingredients.


Store in a cool, dry place. Re-seal top immediately after use to preserve freshness.


† These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any diseases.


Keep out of the reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s). Always consult with a qualified health physician before taking any new dietary supplement.

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1 Review

  • 5
    As good if not better than the rest!

    Posted by Daniel Finn on 4th Mar 2017

    I've been using the C4 from GNC and this product is just as good if not better and much more cost effective.

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