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Pump Serum Stimulant-Free Pre Workout Review



Pump Serum Review

We realize that stimulant-heavy pre-workouts may not be for everybody, and so do Huge Nutrition.

Following on from their iconic Wrecked Pre-Workout formula, Huge Nutrition has also developed Pump Serum, a stimulant-free pre-workout supplement.

If you’re someone who’s sensitive to caffeine or other stimulants widely used in pre-workouts, a stimulant-free pre-workout might be a better option for you.

You’ll still have the benefits of increased focus and pumps inside the gym but without the many negative side-effects of caffeine, such as jitters or stomach problems.

Huge Nutrition sent us a sample of Pump Serum to test out, and we’re going to be covering an honest review of the product in this article.

“Some of the links in this post are affiliate links. This means if you click on the link and purchase the item, we will get a small commission at no extra cost to you. All opinions remain our own.”


Pump Serum Review

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In this review of the Pump Serum Stimulant-Free Pre-Workout formula, we’re going to be discussing the following:

  • Servings
  • Tub Size
  • Scoop Size
  • Suggest stacks
  • Ingredients
  • Flavors
  • Effectiveness
  • Pricing
  • Where to buy
  • Pros & Cons
  • Frequently asked questions

Here’s our Pump Serum Pre-Workout review:


Important information

Before we discuss the ingredients, prices, and effectiveness of Pump Serum Pre-Workout, let’s quickly cover some important information on the product, such as serving size, servings per container, and container size.


Servings/Tub Size

Each tub of Pump Serum contains 25 servings, and the net weight of a single tub is 393g.


Scoop Size

Each scoop, or serving, weighs 15.7g. A very decent serving size for a pre-workout.


Suggested Stacks

Huge Nutrition recommended stacking Pump Serum with their Magnify and Arachidone products. You can buy this specific stack for all three products together on their website.


Pump Serum Ingredients

Pump Serum Ingredients - Supplement Label

There are 10 core ingredients inside Pump Serum, and it shares many of the same ingredients used in Huge Nutrition’s Wrecked pre-workout formula.

Let’s walk through each individual ingredients and the dosages for them:


GlycerPump™ (65% Glycerol Powder) – 3000mg

GlycerPump is a patented version of Glycerol powder. Glycerol powder has been used in bodybuilding for increasing muscular pumps, and it’s incredibly effective in doing so. GlycerPump is a much more effective and stable version of this, and whilst it’s still fairly new, many brands are starting to include it in their products.


Betaine Anhydrous – 2500mg

Betaine Anhydrous is another ingredient used in pre-workouts to reduce fatigue, however, studies have still not proven this makes a distinguishable difference.

2000mg is the dosage most pre-workouts will contain.


Agmatine Sulfate – 1500mg

Agmatine Sulfate is another ingredient that still needs to be thoroughly researched, however, the theory is that it can help boost nitric oxide in the body, and increase muscular pump.

Dosages can range up to 3.5g, however, 1000mg to 1500mg is considered a good and safe dosage.


Beet Root Extract (Beta Vulgaris) – 1000mg

Beet Root Extract has been proven to increase nitric oxide levels and help more blood flow to muscles. Whilst most nearly all pre-workouts use less than the optimal amount, 1000mg is still enough to make somewhat of a difference.

Most pre-workouts won’t even use 500mg.


L-Tyrosine – 1000mg

L-Tyrosine is often used as somewhat of a counter-balance to negate the side effects of high caffeine content. It helps balance your mood and may provide a cognitive boost.

1000mg is an ideal dosage.


Pomegranate Extract (Punica Granatum) – 1000mg

Research suggests that pomegranate extract may help provide nitric oxide levels, and help deliver additional oxygen to the muscles during intense exercise.


Choline (as Choline Bitartrate) – 980mg

Choline is widely used as a nootropic and may help to improve focus and concentration. This is one of the ingredients that could be considered essential in a stimulant-free pre-workout, as it delivers the focus element without the stimulant like side-effects.


Pink Himalayan Sea Salt – 400mg

Himalayan Pink Salt contains electrolytes, and salt, in general, helps you to retain water, which can help boost strength and pumps in the gym.


VasoDrive-AP (Casein Hydrolysate) – 254mg

Vaso-Drive-AP helps to improve nitric oxide and lower blood pressure. Any pre-workout I’ve ever taken that includes this has always provided incredible pumps in the gym.


Huperzine A 1% (Huperzia Serrata Leaf Extract) – 200mcg

Huperzine A is another ingredient that acts as a cognitive enhancer, and a dosage of 20mg is quite common. Since this is a stimulant-free pre-workout, we believe Huge Nutrition has used a very small dosage of 200mcg to get rid of that stimulant element.


Pump Serum Flavor Options

Pump Serum Flavor Options

Pump Serum is currently only available in one flavor, Strawberry Watermelon.

Whilst we’re personally not huge fans of a strawberry element in supplements, the flavor is still fairly decent, and not a dealbreaker at all.

Of course, it’s likely Huge Nutrition will release more flavors in the future.



The price for a tub of Pump Serum is $34.95, which is $10.00 cheaper than Huge Nutrition’s Wrecked formula.

Not too bad a price for a stimulant-free pre-workout.


Where can I buy Pump Serum?

You can buy a tub of Pump Serum on the Huge Supplements website for $34.95.



Here are some frequently asked questions about the product:


Q: How Can I Use Pump Serum?

Mix one scoop of Pump Serum with 8 to 12 fl oz of water and take it about 30 minutes before exercise.


Q: Can I Stack Pump Serum With Another Product?

Huge Nutrition states that you can stack Pump Serum with several of their other products, however, it’s optional, and not a necessity. They recommend stacking Pump Serum with Arachidone, Huge BCAA, Magnify, or Wrecked.

They also sell several stacks on their website that include Pump Serum.



So, how good is Pump Serum?

In our personal opinion, Huge Nutrition has done an excellent job in producing a stimulant-free pre-workout. The inclusion of GlycerPump is what had us most excited about this product, along with an increase in Himalayan Pink Salt content.

Whilst we prefer to use stimulant-based pre-workout formulas, we think this formula is perfect for anybody looking to see great pumps in the gym and reduce fatigue, without bouncing all over the place.

Even if you are a fan of stimulant pre-workouts like us, Huge Nutrition has said you can stack this supplement with their Wrecked pre-workout. Given that GlycerPump isn’t included in the Wrecked formula, stacking is something we’d definitely consider doing.

What do you think about the Pump Serum review? Leave a comment below.

Dan Western is the owner of Jacked Gorilla. Dan has 8+ years of experience in the fitness industry and has been researching supplement usage for the same period of time. Over the years, he's logged thousands of hours of research, tried and tested hundreds of different supplements, and also experimented with his own formulas. Right now he's working on launching his own supplement company.

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