The 5 Best Caffeine Free Pre Workouts Of 2023 Revealed

If you don’t like stimulants, there are always caffeine-free pre-workout supplements to help you optimize workout performance.

Plenty of supplements out there contain ingredients that can increase pumps, focus, and exercise capacity.

Of course, you will want to get your hands on the best product available. After all, you want to get the most out of your training sessions by performing optimally.

In this article, we’re going to show you the best stimulant-free products to help boost your workout intensity.

Are you in a rush? Click here to check out our top-rated stimulant-free option!

What Is A Caffeine Free Pre Workout?


A caffeine-free pre-workout is a pre-workout supplement that does not contain caffeine or other forms of stimulants. 

That’s why many also call it a stim-free pre-workout – many users like them as they’re completely free of any type of stimulants. 

A commonly used stimulant you’ll find in a lot of supplements is caffeine. It’s a central nervous system stimulant, and when it’s ingested, it can help boost alertness and energy

Therefore, it’s found in a lot of bodybuilding supplements such as pre-workouts and fat burners.

Caffeine free pre workout supplements guide

But, some of us don’t want to get in these types of stimulants as we don’t like them, or we’re already ingesting them through other sources.

The reason some of us don’t like stimulants is that we’re sensitive to them. If that’s the case, it’s possible to experience adverse effects, including anxiety, insomnia, and fatigue.

That’s why luckily for us, there are stim-free pre-workouts available on the market.

These products contain ingredients that will help you optimize workout intensity and capacity without stimulants like caffeine.

That means that you’ll still be able to get into a solid workout because they boost muscle pumps, focus, and endurance.

We’ve dedicated the past few weeks to search for the best caffeine-free pre-workouts.

This wasn’t an easy job, but we’ve managed to get the job done – check out the three best options as of right now.

Top 5 Best Caffeine Free Pre Workouts

With all the different products out on the market, finding a good quality product can be challenging.

We’ve tested dozens of caffeine-free pre-workout supplements to provide our audience with the 5 most effective ones.

Check out these supplements and consider giving them a try. Believe me when I say that you won’t be disappointed.

1. Pump Serum

Pump Serum Caffeine Free Pre Workout

The first spot on our list of best caffeine-free pre-workout supplements goes to Pump Serum by Huge Nutrition. 

What makes this product miles ahead of the competition is its ability to boost muscle pumps, focus, and exercise capacity significantly. 

It’s by far the best option you can have for maximizing your workout performance without the use of stims.

Pump Serum contains 13 different ingredients totaling a 31-gram serving per scoop. 

Compare the ingredient list to other products out on the market, and you’ll be surprised by just how well this product has been formulated.

In the formula, you will find high-quality ingredients such as GlycerPump, Beet Root Extract, Pomegranate Extract, and Vasodrive-AP.

Product Highlights:

  • Mind-blowing muscle pumps & laser focus
  • It hardens the muscles and increases vascularity
  • Completely free of stimulants
  • A unique combination of 13 ingredients
  • Great taste compared to other products
  • A massive 31-gram serving size
  • Hundreds of positive user reviews

Plenty of reasons why you would want to get your hands on a tub of Pump Serum! 

If you’re ready for crazy pumps, focus, and power, it’s time to get yourself this product. You can purchase Pump Serum directly from the official Huge Supplements site or through Amazon.

Also, make sure to check out the company’s other bodybuilding supplements; we found them to be game-changers for our performance.

2. PreSeries Stim Free

Stim Free Pre Workout by Transparent Labs

Coming up next is PreSeries Stim Free by Transparent Labs, a well-known supplement company in the industry. This product has been designed to help improve pump and focus without using any stimulants.

Stim Free has made this list because it’s appropriately formulated, which is why it’s so effective. It contains 9 different, exceptional ingredients that make up for a total serving size of nearly 23 grams.

Even though it’s not as stacked as Pump Serum, it’s still a solid and potent option. The ingredients are good and dosed optimally, meaning the effects will be noticed without a doubt.

Product Highlights:

  • Increases nitric oxide for mind-blowing muscle pumps
  • Long-lasting effects
  • Features 9 exceptional ingredients (Stim Free)
  • Boosts your workout performance from multiple angles
  • It contains black pepper extract for improved absorption
  • It’s available in 5 different flavors

If you’re interested in picking up a tub of PreSeries Stim-Free, we recommend heading over to the official Transparent Labs website.

It’s not the cheapest product out there, but don’t forget, you’re getting a bunch of things for it in return. One thing’s for sure; it won’t disappoint you.

3. NutraBio PRE Stim Free

Nutrabio stim free

Third on the caffeine-free pre-workout list is Nutrabio Pre Stim-Free. We like this product because it contains effective ingredients to target multiple aspects of your training.

You won’t just notice increases in pumps, focus, or strength, but it will also help keep you hydrated and boost recovery. You’ll experience all these benefits without ingesting any kind of stimulant.

Nutrabio’s Pre Stim Free contains a wide variety of ingredients, which make up for a nearly 28-gram serving per scoop. It’s definitely one of our favorites, and we recommend you to check it out.

Product Highlights:

  • Increases muscle pumps and vascularity
  • Includes 3.2 grams of Beta-Alanine
  • It may help you increase focus and alertness
  • Free of stimulants like caffeine
  • It helps you stay hydrated and energized
  • Promotes muscle recovery

You can purchase Nutrabio Pre Stim free from the official Nutrabio website or get it through one of the many retailers.

As with the other products featured on this list, it’s priced above average. With that said, quality is something you pay for, as you want to get an optimal workout experience.

4. Legion Pulse Stim-Free

Legion Pulse

Fourth on our list is Legion Pulse by Legion Athletics. This stimulant-free pre-workout contains all the necessary ingredients to absolutely kill your workout. It’s also NSF-certified, making it a perfect product for all athletes.

We love this product because it contains all the important ingredients you want to see in these types of products. Such as L-Citrulline, Beta-Alanine, and Betaine Anhydrous. 

The only downside of this product is that it only has 20 servings and is quite pricey compared to the others.

Product Highlights:

  • It contains all the basic pump ingredients
  • Boosts muscle pumps and performance 
  • NSF-Certified Product
  • It comes in 6 different flavors
  • Widely available in stores
  • No Caffeine or any other unwanted stimulants

Another great benefit of this product is that it’s widely available from Amazon, Walmart, GNC, and of course, on the official Legion Athletics website. 

5. Genius Pre

Genius Pre Nootropic Pre Workout

Last on the list is Genius Pre, which is an all-natural pre-workout focused mind-to-muscle. We haven’t seen a pre-workout on this list that is mainly focused on improving focus and cognitive effects. That’s why Genius Pre is here; if you want that tunnel vision focus, this option might be for you.

It contains focus ingredients like Alpha GPC, Huperzine A, and L-Tyrosine at a perfect dosage. This pre is not so focused on muscle pumps but more so on that cognitive and overall well-being effect. 

Each tub contains 20 servings, making it almost $2,50 per serving, which we find to be a bit higher than others on this list. However, they only included high-quality ingredients with no artificial flavors, colors, or dyes.

Product Highlights:

  • Nootropic & Cognitive based
  • Increased focus, productivity, and performance
  • It helps improve the mind-muscle connection
  • No artificial flavors, colors, or dyes
  • It comes in 3 delicious flavors
  • Scientifically backed dosages

Overall, it’s an excellent product, and we would recommend this option to those who are mainly looking for that tunnel vision focus effect.

You can get a tub of Genius Pre for $49,99 at their official website or on Amazon. It has thousands of positive reviews, making it very credible.

Best Stim Free Pre Workout Ingredients

What makes the products in our top 5 so unique is the set of ingredients behind them.

Especially Pump Serum was formulated well; it is on a whole different level compared to the rest.

The ingredients in a product are the deciding factor in whether you’ll have a good workout.

We’ve done a lot of testing and researching on caffeine-free pre-workout supplements.

This means we’ve done our homework when it comes to the ingredients they contain. Let’s take a look at a few of the most promising ingredients.

Glycerpump is a patented ingredient form of glycerol powder. It’s a naturally occurring sugar alcohol that is responsible for accumulating body fluids.

This ingredient is often used in caffein free pre workout supplements because it helps hydrate the muscle, causing a greater pump.

It has also shown to improve aerobic and anaerobic performance in athletes.

L-Citrulline is another one of those must-have ingredients you’ll want to find in your pre workout. It’s incredibly effective at raising nitric oxide levels, which helps shuttle more blood to the muscles.

With more blood and oxygen flowing directly to your muscles, you’re going to experience intense muscle pumps.

Another popular ingredient is Beet Root Extract (Beta vulgaris rubra). Besides being rich in antioxidants, Beet Root Extract is an excellent compound for boosting nitric oxide.

When nitric oxide (NO) is increased, more blood will get pushed into your muscles. Once this happens, you will experience a more significant muscle pump when working out.

Therefore, it is one of the key ingredients found in many stim free pre workouts.

L-Tyrosine is often added to supplements to function as a nootropic. It is said to boost alertness and focus. It’s great to get in the zone during a workout.

Agmatine Sulfate (4-aminobutylguanidine) is an amino acid with a wide variety of potential benefits.

Many users claim it to be great at increasing pumps, exercise performance, and focus.

Unfortunately, the clinical data on Agmatine Sulfate is limited.

Of course, these are just a few examples, and plenty of stimulant-free ingredients work very well.

We advise buying one of the above products if you want to get in a proper workout.

If you decide to go with a different product, always make sure to check the ingredients.

We’ve also reviewd other products that do contain stimulants, check out Dark Energy and Bucked Up Review.

Should You Use Pre Workout Without Caffeine?

If you want to maximize your workout intensity and performance without wanting to use stimulants, you can use a pre workout without caffeine.

By doing so, you can still get that extra boost during a training session. In my opinion, the products work just as well.

They contain ingredients that have been proven to boost nitric oxide, focus, and energy. But, they won’t cause anxiety or insomnia like high stimulant pre-workout supplements might do.

You’ll experience better muscle pumps, focus, and overall power with a good product like Pump Serum.

We advise taking it about 20 to 30 minutes before hitting the gym so that the ingredients have plenty of time to kick in.

Frequently Asked Questions

Can you take stim free pre workout when cycling off caffeine?

Yes, since it’s free of stimulants, you can use it while cycling off.

Are caffeine free pre workout supplements safe?

Yes, the products in our top 3 are safe as long as you stick to the recommended dosage. We can’t comment on the safety of other products that weren’t included in this article.

What is the best caffeine free pre workout?

Pump Serum by Huge Nutrition is the best caffeine free pre workout. It has the most high-quality ingredients to boost your workout performance from different angles.

Can I stack them with other supplements?

Yes, you can stack it with other supplements. For those of you that want to gain mass, check out our legal steroids article. In that article, we look at the most advanced muscle-building supplements that are still legally available.

The Bottom Line

Caffeine free pre workout supplements are a great way of boosting performance without the use of stimulants.

They can help with boosting your exercise capacity, muscle pumps, endurance, and performance. Some can even contain ingredients to help with hydration and recovery.

Since there are so many different products on the market, we’ve managed to filter what we find the most effective products. 

Here’s a recap of what we found to be the best pre workout supplements without caffeine:

  1. Pump Serum
  2. PreSeries Stim Free
  3. Nutrabio Pre Stim Free
  4. Legion Pulse Stim Free
  5. Genius Pre

They’re all highly stacked with powerful ingredients, meaning they will not let you down. But, our favorite product by far was Pump Serum due to it being the best overall option.

If you have experience with a product from our top 5, let us know in the comments and share your opinion.

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