Skip to main content
​5 Best Non-Stim Pump Pre-Workout Supplements

​5 Best Non-Stim Pump Pre-Workout Supplements

Posted by Leonard Shemtob on Dec 11, 2023

5 Best Non-Stim Pump Pre-Workout Supplements

Are you tired of relying on caffeine to get your pre-workout energy boost? Do you experience jitters, anxiety, or insomnia from traditional pre-workouts? If so, you're not alone. Millions of people are turning to non-stimulant pre-workouts for a more natural and effective way to enhance their training.

Non-stim pre-workouts are formulated without stimulants like caffeine, which can cause unwanted side effects. Instead, they rely on clinically backed ingredients to help you achieve powerful pumps, increased endurance, and laser-sharp focus, all without the jitters or crashes.

But with so many non-stim pre-workouts on the market, choosing the right one can be hard. That's why we've compiled a list of the 5 best non-stim pump pre-workouts for 2023 based on their effectiveness, ingredients, and user reviews.

Whether you are an experienced athlete or just beginning your fitness journey, a non-stim pre-workout can help you achieve your goals. Get ready to unlock your inner beast with the best non-stim pump pre-workouts!

It's time to revolutionize your fitness routine without the need for stimulants. Let's dive in!

[Related Article] Best Non Stim Pre Workouts

Short Summary

Discover Pump Power: Explore pre-workout supplements that boost muscle pumps and blood flow without relying on stimulants like caffeine.

No Jitters, All Gains: Achieve powerful pumps, increased endurance, and laser-sharp focus without the unwanted side effects of stimulants.

Top 5 Picks: We've narrowed down the best non-stim pump pre-workout supplements, making it easy for you to choose the right one for your fitness goals.

Unleash Your Potential: Unlock your inner beast and achieve your fitness objectives faster with the right non-stim pre-workout supplement.

Ready to Ignite Your Fitness Journey? Grab our top pick for non-stim pump pre-workout and kickstart your workouts with sustained energy and enhanced pumps.

Unlock Maximum Pump and Vascularity: Dive into our curated list of the 5 best supplements for pumps and vascularity designed to boost your muscle pumps and vascularity.

Quick Picks: 5 Best Non-Stim Pre Workout Supplements For Pump

SuperHuman Pump by Alpha Lion – Best Overall

Gorilla Mode Nitric Stimulant Free Pre-Workout by Gorilla Mind – Runner-Up

N.O. Overload by Hi-Tech Pharmaceuticals – Strong Pumps + Nitric Oxide Boost

Bucked Up Stim-Free Pre-Workout – Pumps + Energy

Edge Pump by Psycho Pharma – Skin Splitting Pumps + Endurance + Vascularity

What Are Non-Stim Pump Pre-Workouts?

Traditional pre-workouts often rely on stimulants like caffeine to provide an energy boost. However, for those looking to skip the jitters and caffeine buzz, non-stimulant pump pre-workouts offer a different approach.

These supplements are formulated to enhance blood flow and muscle pumps without using stimulants. Instead of relying on caffeine, they often leverage ingredients that promote vasodilation, improving circulation and delivering a satisfying pump sensation during your workout.

In simple terms, stim-free pre-workouts help you achieve peak performance without the side effects of stimulants, making them a popular choice for individuals seeking a focused and jitter-free fitness experience.

Benefits Of Stim-Free Pre-Workout For Pump

Explosive Pumps and Vascularity: Non-stim pre-workouts contain ingredients like L-citrulline and Beta-Alanine, which work synergistically to increase blood flow and nitric oxide production. This translates to bigger, fuller pumps during your workouts, enhancing your physique and amplifying the mind-muscle connection.

No Crash Effect: Unlike stimulant-heavy options, non-stim pump pre-workouts won't leave you with a sudden energy crash post-exercise, promoting a smoother transition to your day.

Improved Blood Flow: These supplements promote vasodilation, improving blood circulation to muscles and resulting in better nutrient delivery and a satisfying pump sensation.

Improved Endurance: Experience longer-lasting stamina and endurance, enabling you to push through challenging workouts with greater ease.

Improved Recovery and Muscle Growth: Non-stim pre-workouts support muscle recovery by reducing inflammation and promoting nutrient delivery. This translates to faster muscle repair, reduced soreness, and accelerated muscle growth, helping you achieve your fitness goals quickly.

Jitter-Free Energy: Non-stimulant pump pre-workouts provide a clean energy boost without the jitteriness often associated with caffeine.

Top 5 Stimulant Free Pre-Workouts For Pumps

1- SuperHuman Pump by Alpha Lion

SuperHuman Pump by Alpha Lion

Experience intense vascularity and powerful pumps from the very start of your workout with a potent pre-workout SuperHuman Pump. Tailored to deliver the ultimate pump, this stim-free pre-workout is crafted for those looking to maximize vascularity, strength, and power output.

It's the ideal choice for individuals sensitive to stimulants, night owls hitting the gym late, or anyone taking a break from caffeine.

This dynamic formula combines maximum doses of potent ingredients such as S7, Citrulline Malate, HypdoPrime, AlphaSize, and more, working together synergistically to elevate your workout experience. Get ready to unleash your full potential with SuperHuman Pump!

Key Benefits:

  • It increases your vascularity.
  • It enhances your pumps.
  • It boosts nitric oxide production.
  • It helps hydrate your muscles.
  • It supports increased strength.
  • It improves overall body performance.

Key Ingredients:

  • L-Citrulline Malate
  • S7
  • HydroPrime
  • Beta-Alanine
  • Organic Lion’s Mane
  • AlphaSize

L-Citrulline Malate: It is a popular amino acid used for training and recovery purposes, including increasing blood flow to your muscles and oxygen utilization during training. It also helps increase muscular energy, endurance, lean muscle mass, and overall performance. L citrulline can also increase nitric oxide production, resulting in increased muscle pumps and vascularity.

S7: This potent blend of seven plant-based ingredients has clinically demonstrated the ability to boost nitric oxide levels by a remarkable 230%. S7 works by enhancing the body's natural nitric oxide production, contributing to increased blood flow and performance.

HydroPrime: Similar to Glycerol but with more pumps and fewer clumps, HydroPrime is a key contributor to enhanced vascular performance.

Beta-Alanine: As a non-essential amino acid, Beta-Alanine plays a crucial role in elevating muscle carnosine concentrations. This, in turn, helps reduce muscle fatigue, enabling you to perform more work at high intensities.

Organic Lion's Mane: This cognitive enhancer sharpens your focus, keeping you laser-focused during your workout. It also reduces fatigue and enhances recovery.

AlphaSize: A growth hormone potentiate, AlphaSize is clinically proven to sharpen mental focus, helping you stay in the zone during workouts and optimize your training experience.

2- Gorilla Mode Nitric Stimulant Free Pre-Workout by Gorilla Mind

Gorilla Mode Nitric Stimulant Free Pre-Workout by Gorilla Mind

Unleash your inner beast with Gorilla Mind Nitric Stimulant-Free Pre-Workout! Meticulously designed to elevate your workout performance, this potent formula saturates your muscles with a rush of nitric oxide, enhancing endurance and strength and delivering monumental pumps.

Gorilla Mind's expertly crafted blend combines powerful ingredients for an unparalleled workout experience, propelling your fitness sessions to unprecedented intensity levels.

Learn more: Gorilla Mode Nitric: The Latest In Stim-Free Pre-Workouts

Key Benefits:

  • It helps improve your muscle pumps.
  • It increases your muscle volume.
  • It promotes accelerated nutrient delivery to your muscles.
  • It reduces post-workout muscle soreness.

Key Ingredients:

  • Nitrosigine
  • Agmatine Sulfate
  • Sodium Nitrate
  • VasoDrive-AP

CREATINE MONOHYDRATE, GLYCERPUMP, BETAINE ANHYDROUS: A potent trio that works synergistically to supercharge your muscles.

  • Creatine Monohydrate: This well-researched component increases strength, muscle size, and power output.
  • Glycerpump: Ensures hyper-hydration for massive pumps, exceptional endurance, and sustained power throughout your workout.
  • Betaine Anhydrous: Enhances muscle power and reduces fatigue, allowing you to push harder for longer.

Nitrosigine, Agmatine Sulfate: These two ingredients elevate nitric oxide production in the body. Agmatine Sulfate enhances eNOS expression, enriching muscles with blood, while Nitrosigine provides an unparalleled boost in the arginine-eNOS-NO pathway for an unwavering workout performance.

Sodium Nitrate, VasoDrive-AP: These components diversify the approach to vasodilation. Sodium Nitrate focuses on the nitrate-nitrite-nitric oxide pathway, while VasoDrive-AP inhibits ACE, boosting oxygen and nutrient delivery to muscles, ensuring improved endurance and overall exercise performance.

3- N.O. Overload by Hi-Tech Pharmaceuticals

N.O. Overload by Hi-Tech Pharmaceuticals

N.O. Overload from Hi-Tech Pharmaceuticals stands out as one of the most potent pump pre-workout supplements available today. Featuring a potent blend of 30 cutting-edge compounds, this powerhouse promises not only enhanced performance and explosive strength but also delivers skin-ripping pumps. Moreover, it actively supports muscle building during every workout session.

Packed with over 30 ingredients, N.O. Overload includes three Arginase inhibitors, nine compounds for muscle cell volumization and work performance technology, five NO drivers with Micro-Rx and Extend-Rx Technology, six energy complex components, and four amino acid recovery agents.

Key Benefits:

  • It increases nitric oxide levels.
  • It boosts pumps and vascularity.
  • It boosts your muscle strength.
  • It helps improve your endurance.
  • It increases blood flow.
  • It enhances mind-muscle connection.
  • It supports your muscle mass.
  • It accelerates muscle recovery.
  • It improves your overall exercise performance.

Key Ingredients:

Nitric Oxide Blend with Micro-Rx and Extend-Rx Technology: L-Arginine AKG, L-Arginine Ethyl Ester Dihydrochloride, L-Arginine Malate, L-Arginine HCI, Glycine-L-Arginine-Alpha-Ketoisocaproic Acid.

Hi-Tech Arginase Inhibitors: S-(2-Boronethyl)-L-Cysteine HCI (BEC), 2(S)-Amino-6-Boronohexanoic Acid (ABH), L-Norvaline.

Hi-Tech Muscle Cell Volumizing and Performance Technology: Disodium Creatine Phosphate Tetrahydrate, Creatine Ethyl Ester HCI, Creatinol-O-Phosphate, Creatine Monohydrate, Di-Creatine Malate, Adenosine Triphosphate Sodium, Inosine Ethyl Estr HCI, Taurine Ethyl Ester HCI, Guanidinop Proprionic Acid.

Thermo-Rx and Hi-Tech Energy Complex: Acacia Rigidula 98% Extract (as Thermo-Rx) (Leaves), Quebracho Blanco Extract (Bark), Terba Mate Extract, Theobromine Anhydrous, L-Tyrosine Ethyl Ester HCI, Beta-Alanine Ethyl Ester HCI.

Hi-Tech Recovery-Rx: L-Leucine Ethyl Ester HCI, L-Valine Ethyl Ester HCI, L-Isoleucine Ethyl Ester HCI, L-Glutamine Ethyl Ester HCI.

Customer Reviews: N.O. Overload by Hi-Tech Pharmaceuticals

5-stars.pngWorks well for me

“Works well for me, I only use scoop because I use other forms of caffeine, but it makes a big difference in my lifts”

-R. D.

5-stars.pngStrongest I have used

“Pumps are Crazy”


4- Bucked Up Stim-Free Pre-Workout

Bucked Up Stim Free Pre-Workout

Bucked Up® Non-Stim Pre-Workout is packed with scientifically supported ingredients at clinically effective doses. It boasts all-natural flavoring without any artificial sweeteners or coloring. This specially crafted supplement serves as your secret weapon for tapping into natural energy, achieving muscle endurance, and unlocking your full workout potential.

BUCKED UP® doesn’t use proprietary blends, and in every serving, you'll find no ineffective doses of ingredients because we understand you want value for your investment. Whether you're a serious athlete, bodybuilder, or someone aiming to elevate their performance, BUCKED UP® stands as an effective solution to enhance your game.

Learn more: Bucked Up Non-Stimulant Pre-Workout: Benefits and Results - Full Review

Key Benefits:

  • It improves muscle pumps and vascularity.
  • It increases your energy level.
  • It boosts your endurance.
  • It helps boost your overall performance.
  • It enhances your mental focus and mental clarity.
  • It accelerates your muscle recovery.

Key Ingredients:

  • Vitamin B12
  • Citrulline
  • Actigin®
  • Deer Antler Velvet
  • Alphasize®
  • Astragin®
  • Beta-Alanine

Vitamin B12: An essential vitamin crucial for energy production and supporting the body's natural process of creating red blood cells.

Citrulline: An amino acid that increases nitric oxide production in the body, enhancing blood flow to muscles during workouts.

Actigin®: A patented ingredient that improves muscle cell oxygen uptake, contributing to faster recovery.

Deer Antler Velvet: Contains growth hormones that aid in recovery and support muscle growth.

Astragin®: Known for boosting the body's absorption of key nutrients that promote muscle health.

5- Edge Pump by Psycho Pharma

Edge Pump by Psycho Pharma

Psycho Pharma Edge Pump stands out as a stimulant-free pre-workout, making it an ideal choice for those late-night workouts after a lengthy day at the office. EDGE PUMP features an exceptional blend of the latest potent nitric oxide boosters and super pump ingredients, gaining recognition in the supplement industry.

Notably, Psycho Pharma EDGE PUMP is free of stimulants, allowing it to be seamlessly paired with other Psycho Pharma products or used as a non-stimulant pre-workout during the evening.

Key Benefits:

  • It helps increase muscle pumps.
  • It improves vascularity.
  • It increases cell volumization and muscle fullness.
  • It enhances endurance.
  • It promotes nutrient absorption.
  • It helps improve hydration.
  • It increases blood flow.
  • It helps enhance exercise performance.

Key Ingredients:

  • L-Citrulline Malate
  • HydroPrime® Glycerol Powder
  • L-Arginine Alpha-Ketoglutarate 2:1 (AAKG)
  • AstraGin®

HydroPrime® Glycerol Powder: This advanced glycerol form surpasses conventional glycerol products, providing more glycerol per gram. While typical glycerol products offer 10% to 25% glycerol, GlycerPump® boasts an impressive 65% glycerol content.

This allows for a higher glycerol intake per serving and introduces a highly concentrated form of Glycerol now available in capsule form.

L-Arginine Alpha-Ketoglutarate 2:1 (AAKG): A compound known for increasing blood flow and boosting nitric oxide production, improving muscle pumps, and enhancing muscle nutrient delivery to the muscles.

Customer Reviews: Edge Pump by Psycho Pharma

5-stars.pngPumps for Days

“Best pump product I have ever taken - I take this when I train at night or add it to my daily PWO. Stuff is LEGIT”


How to Choose the Best Non Stim Pre Workout Supplements For Pump

Below are some tips to find the best stim-free pre-workout supplements for your goals:

Check the Ingredients

Look for scientifically backed ingredients like L-Citrulline, Glycerol, and Nitrosigine. These compounds are known to enhance blood flow, muscle pump, and overall workout performance.

Fitness Goals Alignment

Consider your fitness goals. Whether it's muscle pump, vascularity, or endurance, choose a pre-workout that aligns with your specific objectives.

Stimulant-Free Assurance

Ensure that the pre-workout is explicitly labeled as "non-stimulant" or "stimulant-free." This guarantees an energy boost without the side effects of caffeine.

Effective Dosages

Check for sufficient dosages of essential ingredients. Non-stim pump pre-workouts should still deliver active components in effective amounts for optimal results.

Customer Reviews

Read reviews from others who have used the product. Real-life experiences can give valuable insights into the effectiveness and any potential issues.

Brand Reputation

Investigate the reputation of the company. A trustworthy brand with a history of quality non-stimulant products is more likely to provide an effective pre-workout.

Flavor and Mixability

While not the most critical factor, the taste and mixability of the pre-workout can impact your overall experience. Choose a product with flavors you enjoy and that mix well.

Non-stim Pre-workout Supplements vs. Regula Pre-workouts

Stim free pre workouts

Stim-free or caffeine-free pre-workout supplements are crafted for those who want an energy boost without the jitters linked to stimulants like caffeine. They typically include ingredients such as citrulline, beta-alanine, and arginine, promoting sustained energy and muscle pumps. These pre-workouts emphasize muscle pump, endurance, and gradual energy release.

  • Focus: Designed for those seeking an energy boost without the jitteriness of stimulants.
  • Ingredients: Typically includes citrulline, beta-alanine, and creatine for enhanced muscle pumps and performance.
  • Suitability: Ideal for individuals sensitive to stimulants or those who prefer to work out in the evening.
  • Effect: Provides sustained, focused energy without the quick, intense burst associated with stimulants.

Regular pre-workouts:

On the other hand, regular pre-workouts are designed for those seeking a quick and intense energy boost, often incorporating stimulants like caffeine. This type is suitable for individuals who prefer high-intensity workouts and can tolerate the immediate energy boost. Regular pre-workouts deliver an intense, rapid surge of energy.

  • Focus: Geared towards delivering a quick burst of energy for high-intensity workouts.
  • Ingredients: Often contains stimulants like caffeine to provide rapid energy.
  • Suitability: Suitable for those who enjoy morning workouts and can tolerate stimulants well.
  • Effect: Offers an immediate energy boost but may result in jitteriness or interference with sleep, especially if taken close to bedtime.

What to Avoid When Looking for Stimulant-Free Pump Pre-Workouts

Hidden Stimulants

Despite being labeled as stimulant-free, some products might contain sneaky stimulants. Double-check the ingredients list and research unfamiliar components to avoid unwanted side effects.

Proprietary Blends

Avoid pre-workouts that hide behind proprietary blends. These blends can make it challenging to know the exact doses of each ingredient. Opt for transparency, and choose products that clearly state the amounts of the components they contain.

Artificial Fillers and Additives

Look for pre-workouts with clean formulas free of artificial sweeteners, preservatives, flavors, and colors. These additives can contribute to digestive issues and other health concerns.

Unverified Brands

Choose established brands with a proven track record and positive customer reviews. Avoid unfamiliar brands without a clear reputation or sufficient information.

Overly Complex Formulas

While a comprehensive formula can be beneficial, overly complex blends may include unnecessary or redundant ingredients. Look for simplicity and effectiveness in the ingredient list.

How to Use Non-Stim Pre-Workouts for Best Results

Using non-stim pre-workouts effectively can significantly enhance your workout experience. Here's a straightforward guide to maximize their benefits:

Timing is Key

Take your non-stim pre-workout 30-60 minutes before your workout. This allows the ingredients time to absorb and take effect before you hit the gym. Also, avoid consuming food or beverages for at least 30 minutes before starting your pre-workout for optimal absorption.

Follow the Recommended Serving Size

Stick to the suggested serving size mentioned on the product label. This ensures you get the right amount of active ingredients for optimal results without overdoing it.

Stay Hydrated

Adequate hydration is crucial for optimal performance and pre-workout effectiveness. Non-stim pre-workouts often contain ingredients that work best when your body is well-hydrated, contributing to better results.

Consistency Matters

Incorporate non-stim pre-workouts consistently into your routine. Regular use can help your body adapt, allowing you to experience the full benefits over time.

Combine with a Healthy Lifestyle

Incorporate your non-stim pre-workout into a balanced diet. Nutrient-rich meals provide the necessary fuel for sustained energy throughout your exercise routine.

Listen to Your Body

Pay attention to how your body responds to the non-stim pre-workout. If needed, adjust the dosage or timing, and consult a healthcare professional if you have any concerns.

FAQs: Best Non-Stim Pre-Workout Supplements for Pump

Q: Who should consider using non-stim pre-workouts?

A: Non-stim pre-workouts are ideal for individuals who:

  • Are sensitive to stimulants like caffeine and experience jitters or anxiety.
  • Prefer to work out in the evening and avoid interfering with sleep.
  • Seek a sustained, focused energy boost without the quick crash associated with stimulants.
  • Have pre-existing health conditions that may be affected by stimulants.

Q: Why should I choose a non-stim pump pre-workout over traditional pre-workouts?

A: Non-stim pump pre-workouts provide energy without the jitters or crashes associated with caffeinated pre-workouts. They focus on enhancing muscle pumps, endurance, and focus through clinically-backed ingredients.

Q: Can non-stim pre-workouts still provide energy for workouts?

A: Absolutely. Non-stim pre-workouts utilize ingredients like L-citrulline and Glycerol to enhance blood flow and muscle pumps, offering sustained, jitter-free energy throughout your workout.

Q: Can I stack non-stim pre-workouts with other supplements?

A: Yes, many non-stim pre-workouts can be safely stacked with other supplements. However, always check product labels and consult a healthcare professional if uncertain.

Q: Are these pre-workouts suitable for beginners?

A: Yes, the list includes options suitable for both experienced athletes and beginners. Select a supplement that aligns with your fitness level and goals.

Q: Can I use non-stim pump pre-workouts at any time of the day?

A: Yes, you can. Since non-stim pre-workouts don't contain caffeine, they can be used anytime, making them ideal for evening workouts or those sensitive to stimulants.

Q: Are there any side effects associated with non-stim pump pre-workouts?

A: Side effects are typically minimal, but it's crucial to follow recommended dosages. Some individuals may experience mild reactions; if in doubt, it's advisable to consult with a healthcare professional.

Final Thoughts

In the world of fitness, finding the right energy boost without unwanted side effects is crucial. That's where non-stim pump pre-workouts shine. By harnessing the power of clinically-backed ingredients, these supplements offer a path to enhanced endurance, intense muscle pumps, and sustained focus without the jitters.

Our exploration of the top 5 non-stim pump pre-workouts for 2023 showcases a range of options catering to various fitness goals. Whether you are an experienced athlete or just starting your fitness journey, these supplements offer a clean energy solution.

Remember, the best pre-workout is the one that aligns with your fitness objectives and suits your body. Explore the top picks, pay attention to ingredients, and consider user reviews and feedback to find the perfect match.

With the right non-stim pump pre-workout by your side, you're ready to elevate your workouts, amplify your performance, and step closer to achieving your fitness goals.


  • Glenn, J. M., Gray, M., Wethington, L. N., Stone, M. S., Stewart, R. W., & Moyen, N. E. (2017). Acute citrulline malate supplementation improves upper- and lower-body submaximal weightlifting exercise performance in resistance-trained females. European journal of nutrition, 56(2), 775-784.
  • Gonzalez, A. M., & Trexler, E. T. (2020). Effects of Citrulline Supplementation on Exercise Performance in Humans. The Journal of Strength & Conditioning Research, 34(5), 1480-1495.

Written and Sponsored by Leonard Shemtob

Leonard Shemtob is President of Strong Supplements. Leonard has been in the supplement space for over 20 years, specializing in fitness supplements and nutrition. Leonard appears on many podcasts, written over 100 articles about supplements and has studied nutrition, supplementation and bodybuilding. 

Leonard's articles have been published in many top publications around the web. Leonard enjoys weight training, playing basketball and yoga, and also enjoys hiking. In his free time he studies and works on improving himself. For more detailed information, visit his official blog.