High Volume is the king of pumps, loaded with 6 g of pure L-citrulline, patented amino-nitrates, and electrolytes.
This caffeine-free pre-workout pump powerhouse will take your workout to the next level without any stimulants. Centered around multiple pump and performance ingredients like citrulline, taurine, and arginine nitrate, there is a reason High Volume has stood the test of time.
High Volume is a favorite among those who are wanting to avoid caffeine before weight-training or endurance training, who are consuming caffeine from another source, or are training at night.
Beta alanine free. No skin itching or tingling. Deliciously flavored, High Volume is the perfect stimulant-free preworkout.
Key Features
Caffeine-Free
Whether you are avoiding caffeine entirely, or you've already consumed caffeine from another source, High Volume is the perfect option to still get an intense upgrade in workout performance along with a pump that will have you glued to the mirror.
Pre-Cardio
The same pathways in which High Volume yields powerful pump and performance in the gym also benefits cardio performance. We don't recommend stimulants before your cardio, making High Volume a perfect choice for your cardio days too.
PM-Training
Depending how close to bed you train, taking a stimulant-based pre-workout like our Prolific might not be ideal. Rather than hitting the gym with no performance support, High Volume is there to still deliver an amazing workout experience, without the stimulants.
Science of a pump
A "pump" is when the muscle you are exercising becomes larger than when it is at rest. This is caused by the body shuttling more blood to the working muscle than normal to help quickly deliver key nutrients and oxygen.
This process can be enhanced with specific ingredients that support nitric oxide (NO) production, alongside being properly hydrated.
As the body delivers these nutrients to the muscle at an increased rate, it allows the muscle to perform better & longer, thus resulting in an improved workout experience.
While the pump has an amazing aesthetic appeal, the enhanced blood flow to the working muscles has downstream benefits in delivering important post-workout nutrients. Always remember to follow up your workouts with a serving of protein!
Prepare to Feel the Volume!
Changing the Game.
At PEScience, we wanted to take the “pump product” category and permanently turn it on its head. And after over a year of diligent research and development we have finally created a product that doesn’t just give you a pump that lasts 5 or 10 minutes after your workout; High Volume is the caffeine-free pre-workout built for pumps that last.
You have never experienced anything like this. Every product tells you that…but what company continues to deliver? We don’t put our money in mass marketing, we put it into developing the best product for the consumer. High Volume users are coming out of their workouts blown away.

The King of Pumps
Once you experience High Volume, you will call every other pump product flat. You’ll look forward to your next workout knowing you’ll walk out of the gym looking like a pumped version of the guy who walked in. You’ll constantly want to train another muscle group to see what High Volume will do next.
High Volume seems to enhance those post-gym selfies! The best quote we got from one of our initial users was, “I think my pumps got pumps”. Experience the difference.
L-Citrulline Loaded
More of What Your Want. None of What You Don't.
L-Citrulline (no malate here)
L-Citrulline is one of the best NO ingredients on the market, but it is constantly used at tiny amounts or in combination with L-malate...for no reason! L-Malate does not have any ability to increase NO.
Don't spend your money on citrulline malate in a pre-workout product. The citrulline malate found in products is just a blend of L-Citrulline and L-Malate. That means, the 4 grams of L-Citrulline that is found in High Volume is equivalent to the citrulline content in 8 grams of citrulline malate! That’s what we do at PEScience…we give you more of what you need.
Supplement Facts
Serving Size |
2 Scoops (15 g) |
Serving Per Container |
18 |
Calories |
5 (<1g carbs) |
|
Amount Per Serving |
Vitamin C (as ascorbic acid) |
250 mg (416% DV)
|
Magnesium (as magnesium glycerophosphate) |
50 mg (12%) |
Sodium (as trisodium citrate) |
250 mg (10%) |
L-Citrulline |
6 g * |
Performance Pump Matrix |
3,925 mg * |
Taurine, Trisodium Citrate, Magnesium Glycerophosphate, Glycerol 65% (HydroMAX™) |
|
Arginine Nitrate (NO3-T™) |
2 g * |
* Percent Daily Value Not Established
Other Ingredients: Natural & Artificial Flavors, Citric Acid, Silicon Dioxide , Acesulfame Potassium, Sucralose, Natural Colors
Directions: For users 160 lbs or less, consume 1 scoop mixed in 8 oz of water 30 minutes prior to training. For users over 160 lbs, consume 1-2 scoops mixed in 8-12 oz of water 30 minutes prior to training.
Some minor clumping may occur but this is normal — just make sure to use the product within three months for maximum quality.
Quality & Purity Testing
All of our raw materials are tested for purity prior to being used in our manufacturing. After manufacturing is complete, another round third-party testing occurs on the finished product before it is released for sale.