• Effectively and transparently dosed
  • Expensive
8.1Overall Score

PES Science might be the quintessential example of a supplement company with a cult following.

Starting off with just a handful of supplements, the brand has continued to grow and evolve. Their latest is a promising stimulant-free pump supplement called High Volume.

What Is AmentoMAX?

Perhaps the most unique compound in here is called AmentoMAX. This ingredient has the ability to act as a PDE inhibitor and increase nitric oxide production. What’s more, research suggests it also has anti-anxiety properties and helps support mood.

Built For Pump

PES High Volume Nutrition Info
One look at the ingredient label and it becomes clear that High Volume was indeed designed for pump. It’s freighted with 4 g of citrulline, 2 g of arginine nitrate, and 1 g of agmatine sulfate. On paper, there’s enough here to help you get a decent pump. So let’s take a look at how it functions in the real world.

My Experience Using High Volume

This is a product that actually does what it says it’s going to do and delivers a good pump that you can feel.

Taste, Price, and Availability

High Volume started off at an introductory price of $19.99 for subscribers to the PES Insider newsletter. Right now, however, it is listed as out of stock with a price tag of $54.99. The only flavor is paradise cooler, which I thought actually tasted pretty good.

Should You Buy High Volume?

If you’re looking for a solid non-stimulant pre-workout than I would definitely recommend High Volume. It is expensive, but also effectively dosed.

About The Author

Brian E. is from southern California and has worked for names like GNC and Vitamin Shoppe as a supplement expert and consultant. He currently lives in Utah and is studying marketing.

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