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The 10 Best Non-Stimulant Pre-Workout Supplements



The Best Stimulant-Free Pre-Workout Supplements

Which are the best non-stimulant pre-workout supplements? 

If you’re looking for a supplement to give you an extra boost of energy in the gym or to improve your mental focus, then a high-quality pre-workout is what you need. 

However, what happens if you can’t tolerate stimulants like caffeine? Well, that’s where non-stimulant pre-workouts come into play.

They’ve made a lot of progress in recent years, so you can now get that extra boost of energy and focus, without the adverse side effects, like mood swings, jitters, and insomnia. 

Here’s a list of the 10 best non-stimulant pre-workout supplements. 

“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.”


The 10 Best Non-Stimulant Pre-Workout Supplements

The list of non-stimulant pre-workout supplements and figures mentioned below has been compiled from various sources around the web.

These are the 10 best non-stimulant pre-workout supplements: 


In A Rush? Here’s Our Top Pick:

Best Stimulant-Free Pre-Workout
Pump Serum Non-Stimulant Pre-Workout (25 Servings)

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10. GAT Sport: PMP


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PMP, or Peak Muscle Performance, is a stimulant-free pre-workout from GAT Sport, which helps provide lasting energy and deep mental focus. 

The pre-workout is free from caffeine and creatine and can be purchased in three flavors: Orange Cream, Blue Raspberry, and Strawberry Banana.

You’ll receive approximately 30 servings/scoops per tub from which you can expect to gain improvements in strength, mental focus, and muscle pumps.

In our opinion, Orange Cream and Strawberry Banana are the best flavors. They’re not as bitter as Blue Raspberry and taste great mixed with water and almond milk. 


9. RSP Nutrition: Pump Boost

RSP Nutrition Pump Boost
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Pump Boost by RSP Nutrition is a versatile, stimulant-free pre-workout that boosts nitric oxide in the body to increase energy, blood flow, pumps, and endurance. 

Its proven high-performance theorem is formulated with L-Citrulline, Coconut Water Powder, and powered Clyerol HydroMax. 

HydroMax helps the stim-free pre-workout increase the concentration of blood and fluid in the muscle, while the L-Citrulline escalates blood flow to maximize the pump. 

Pump Boost comes in two flavors, Blue Raspberry and Peach Mango, and both contain approximately 30 servings. 


8. Rich Piana 5% Nutrition: FAF

Rich Piana 5% Nutrition FAF (30 Servings)

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FAF is formulated with active ingredients to increase vascularity and muscle cell volume, allowing you to lift heavier, prevent fatigue, and fuel lean muscle growth. 

Each tub contains approximately 30 servings/scoops and is free from caffeine, creatine, stimulants, and added sugar.

FAF is available in five flavors: Southern Sweet Tea, Fruit Punch, Blue Raspberry, Pomegranate, and Wild Berry.

For best results, 5% Nutrition recommends mixing one or two scoops with 8-12 fl.oz of water 30 minutes before exercise.

On rest days, they recommend consuming the same amount to maximize mental focus and clarity. 


7. PEScience: High Volume

PEScience High Volume is a caffeine-free pre-workout that relies on vasodilating/Nitric Oxide boosting ingredients to deliver enhanced endurance and skin-splitting pumps.

Inside each tub, you’ll receive between 18-36 servings depending on your body weight.

If you weigh less than 160lbs, PEScience recommends taking one scoop, whereas if you weigh more than that, PEScience suggests increasing the serving size to two scoops before each workout. 

Some of the ingredients include L-Citrulline, Agmatine Sulfate, Arginine Nitrate, and HydroMax Glycerol. 

The stimulant-free pre-workout is available in the following flavors: Blue Frost (Blueberry), Cotton Candy, Kiwi Lime, Paradise Cooler, Sour Green Apple, Melon Berry Twist, and Raspberry Lemonade. 

For optimal performance during your workout, PEScience recommends mixing one rounded scoop with 8 fl.oz of water 30 minutes before engaging in exercise. 


6. Legion Athletics: Pulse

Legion Athletics Pulse
$39.99 ($2.59 / Ounce)
  • 100% PRE WORKOUT POWDER. Pulse is a sweetened and...
  • HELPS BOOST ENERGY & MAINTAIN FOCUS. Mix a serving of...
  • SUPPORTS STRENGTH & ENDURANCE. This preworkout powder...
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03/07/2024 07:39 am GMT

Pulse is a nitric oxide boosting, stimulant-free pre-workout that contains all-natural ingredients.

Each tub contains approximately 21 servings/scoops, which sharpen mental focus, boost strength, and increase your overall energy levels without the post-workout crash you often get from normal pre-workouts. 

Ingredients include L-Citrulline Malate, Beatine, Beta-Alanine, and Alpha GPC, and each serving contains approximately 4g of carbohydrates.

To gain maximum results, Legion Athletics suggests mixing two scoops of Pulse with water roughly 30 minutes before working out. 


5. Genius: PRE

Genius PRE
$37.99 ($3.42 / Ounce)
  • Mind-to-Muscle Pre-Workout: Genius Pre by The Genius...
  • Made for Pushing Your Limits: Made with the highest...
  • Stimulant- and Artificial Sweetener-Free: Perform...
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03/07/2024 10:24 am GMT

Genius Pre is the world’s first clinically dosed all-natural nootropic pre-workout. 

Inside each tub, you’ll receive 20 servings/scoops, provided you stick to the recommended serving guidelines. 

Some of the ingredients include L-Citruline Malate 2:1, Beta-Alanine, Betaine Anhydrous, L-Tyrosine, L-Arginine, and Taurine.

The non-stimulant pre-workout is naturally flavored and sweetened with organic stevia and has been 3rd party tested for purity and potency. 

Genius recommends consuming one scoop of Pre approximately half an hour before exercise. 


4. Transparent Labs: Stim-Free Pre-Workout

Transparent Labs STIM-FREE Pre-Workout
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The Stim-Free Pre-Workout from Transparent Labs contains a combination of ingredients focused on improving nitric oxide levels, power output, and focus.

6000mg of citrulline malate results in a ‘clinically effective’ l-citrulline dosage at 4000mg. There’s also 4000mg of beta-alanine, which is much higher than most pre-workouts include.

If you’re someone who enjoys the tingly feeling that beta-alanine produces, then this is most likely a good option.

There’s also 1000mg of l-tyrosine, 50mcg of huperzine A, and 500mg of choline; all included to help boost focus and cognition.

You can buy a tub of Stim-Free Pre-Workout on the official Transparent Labs website for $49.00. Each tub contains 30 servings, with an impressive 22.8g of content per serving.

Here’s the full list of ingredients for Transparent Labs’ Stim-Free Pre-Workout:

  • Citrulline Malate 2:1 – 6000mg
  • BCAA 2:1:1 – 4000mg
  • Beta-Alanine – 4000mg
  • BetaPure Betaine Anhydrous – 2500mg
  • Taurine – 1300mg
  • L-Tyrosine – 1000mg
  • Choline Bitartrate – 500mg
  • elevATP – 150mg
  • Sodium – 150mg
  • Potassium – 100mg
  • BioPerine – 5mg
  • Huperzine A – 50mcg


3. Jacked Factory: Pumpsurge

Our Top Pick
Jacked Factory PUMPSURGE

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Pumpsurge is a non-stimulant pre-workout that consists of an elite nootropic pump formula. 

Made in the USA, Pumpsurge contains cutting-edge ingredients like L-Citruline, Taurine, Betaine Anhydrous, and Alpha Glycerylphosphorylcholine. 

Each tub provides you with 20 servings/scoops, and it’s available in four delicious flavors: Blue Raspberry, Cherry Limeade, Strawberry Lemonade, and Watermelon. 

The pre-workout is free from artificial fillers, preservatives, and food dyes, and is manufactured in a state-of-the-art cGMP production facility, adhering to stringent manufacturing standards. 

Jacked Factory recommends mixing one serving/scoop, with 12-20 fl. oz of water 30-40 minutes before your workout.


2. BlackWolf Pre-Workout Formula

BlackWolf Pre-Workout Formula (22 Servings)

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The 2nd best stimulant-free pre-workout supplement is BlackWolf. This pre-workout contains 11 core ingredients and comes ready in 3 different flavors, however only one of these is stimulant-free (fruit punch).

The first two flavors, Green Apple and Blue Raspberry are stimulant versions containing 200mg of caffeine.

The fruit punch flavor is a non-stimulant version with zero caffeine, but it includes two different ingredients, DMAE and Huperzine.

Instead of producing a separate product for their stimulant-free version, they decided to just use one of the flavors as the non-stimulant variant.

What we love most about this pre-workout is the fact that every ingredient is dosed almost perfectly. A lot of pre-workouts use the right ingredients, however, they’re often severely underdosed.

Here’s a full list of BlackWolf’s ingredients:

  • L-Citrulline Malate – 6000mg
  • Beta-Alanine – 3200mg
  • Creatine Monohydrate – 3000mg
  • Betaine Anhydrous – 2000mg
  • L-Arginine – 1000mg
  • Caffeine Anhydrous – 200mg (Green Apple & Blue Raspberry Only)
  • Taurine – 1000mg
  • L-Tyrosine – 600mg
  • Dynomine – 125mg
  • Coconut Water Powder – 320mg
  • Bioperine – 5mg
  • DMAE – 150mg (Fruit Punch Only)
  • Huperzine – 10mg (Fruit Punch Only)

You can pick up a tub of BlackWolf pre-workout on their website for $34.99. Each tub contains 22 servings.


1. Pump Serum by Huge Nutrition

Best Stimulant-Free Pre-Workout
Pump Serum Non-Stimulant Pre-Workout (25 Servings)

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Huge Nutrition really isn’t messing around when it comes to developing their products.

Pump Serum is their stimulant-free version of their most popular pre-workout product, Wrecked.

They’ve recently released a new and improved formula, which contains double the content per serving, and includes 3 additional ingredients.

This pre-workout contains 13 core ingredients that are proven to help boost focus, blood flow, and pumps in the gym. So if you don’t like caffeine and the jitters that come with it, this one’s for you.

With the new formula update, this is quite frankly the best stimulant-free pre-workout on the market. I doubt you’d be able to find a better-dosed product available.

Pump Serum V2 contains the following ingredients:

  • L-Citrulline – 8000mg
  • GlycerPump™ (65% Glycerol Powder) – 3000mg
  • Betaine Anhydrous – 3000mg
  • Beet Root Extract (Beta Vulgaris) – 2000mg
  • NitroSigine – 1500mg
  • L-Tyrosine – 1500mg
  • Agmatine Sulfate – 1250mg
  • Pomegranate Extract (Punica Granatum) – 1000mg
  • Choline (as Choline Bitartrate) – 980mg
  • VasoDrive-AP (Casein Hydrolysate) – 254mg
  • Pink Himalayan Sea Salt – 197mg
  • Huperzine A 1% (Huperzia Serrata Leaf Extract) – 20mg
  • BioPerine – 5mg

You can buy a tub of Pump Serum on the Huge Supplements’ website for $34.95, and each tub contains 25 servings. With large quantities of L-Citrulline, GlycerPump, Betaine, and Huperzine A, you’ll have no problem quitting caffeine in your workouts.

Read our full Pump Serum review.



We hope you enjoyed our list of the 10 best non-stimulant pre-workout supplements. 

In the past, we’ve always used pre-workouts that contain caffeine and other stimulants. 

However, since the non-stimulant pre-workouts have been making waves in the fitness industry, we’ve been testing out a fair few and Pump Serum is by far the best option out there.

If you enjoyed this article, check out:

Here’s a quick recap of the 10 best non-stimulant pre-workout supplements:

  1. Pump Serum by Huge Supplements
  2. BlackWolf Pre-Workout Formula
  3. Jacked Factory: Pumpsurge
  4. Transparent Labs Stim-Free Pre-Workout
  5. Genius: PRE
  6. Legion Athletics: Pulse
  7. PEScience: High Volume
  8. 5% Nutrition: FAF
  9. RSP Nutrition: Pump Boost
  10. GAT Sport: PMP

What’s your favorite non-stimulant pre-workout? Leave a comment below.

With almost two decades of lifting experience under his belt, Matt shares his knowledge and expertise with us around bodybuilding and supplementation. Deadlifts and barbell curls are his go-to exercises, and, when he's not writing about health and fitness, you'll find him in the gym busting out some arms! Follow Jacked Gorilla on Instagram: @jackedgorillanews

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