What Are the Best Stimulant and Caffeine Free Pre Workout Supplements in 2019?

Pre-workout supplement pills and tablets, a bottle and the best caffeine-free powder in a red scoop, on wooden table.

The pre workout supplement market is saturated with stimulants and caffeine, however not everyone wants or needs that artificial boost. There are plenty of high quality caffeine free pre workout options out there.

In this article, I’m going to detail some of the reasons you might want to leave caffeine out of your exercise routine. Then I’m going to look at some of the pre workout supplement options available and share their pros and cons. Hopefully by the end you’ll be able to decide on the best stimulant free pre workout supplement for you.

Product
Details
Our Rating
Our #1 Rated
Kaged Muscle Citrulline

Kaged Muscle

Kaged Muscle Citrulline

5 out of 5

In the Pre Workout Supplements category

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  • MASSIVE MUSCLE PUMPS - Boost L-arginine and nitric oxide levels with KAGED MUSCLE L-Citrulline powder, and get those massive,...
  • POTENT FORMULA - Each serving contains 2 g of Pure L-citrulline to support nutrient delivery through vascular blood flow.*
  • CLEAN INGREDIENTS - Formula has been carefully engineered to have zero added flavors or colors. It's also vegetarian and...
HealthAmbition Stamp

Our #1 Rated

5 out of 5

In the Pre Workout Supplements category


Our #2 Rated
Primaforce Beta Alanine Powder

PrimaForce

Primaforce Beta Alanine Powder

5 out of 5

In the Pre Workout Supplements category

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  • HIGHEST QUALITY: Lab-tested for potency and purity. We use only pharmaceutical-grade, clinically-tested ingredients that are...
  • REDUCES FATIGUE: Increases intracellular carnosine levels, thus delaying muscle fatigue, allowing you to exercise longer and...
  • ENHANCES STRENGTH PERFORMANCE: Supports increased muscular endurance for harder training and more productive workouts,...
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Our #2 Rated

5 out of 5

In the Pre Workout Supplements category


Our #3 Rated
Primaforce Citrulline Malate

PrimaForce

Primaforce Citrulline Malate

4 out of 5

In the Pre Workout Supplements category

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  • HIGHEST QUALITY: Lab-tested for potency and purity. We use only pharmaceutical-grade, clinically-tested ingredients that are...
  • ENHANCES MUSCLE GROWTH: Shown to increase muscle mass and strength, can improve overall athletic performance.
  • SUPPORTS ENDURANCE: Enables you to exercise longer and harder by removing ammonia from your body before it can cause muscle...
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Our #3 Rated

4 out of 5

In the Pre Workout Supplements category


Our #4 Rated
Evogen EVP Elite Pre Workout Solution

Evogen

Evogen EVP Elite Pre Workout Solution

4 out of 5

In the Pre Workout Supplements category

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  • This product is a pre-workout solution
  • This product is strawberry kiwi flavored
  • This product should only be consumed by healthy adults over 18 years of age
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Our #4 Rated

4 out of 5

In the Pre Workout Supplements category


Our #5 Rated
PEScience High Volume

PEScience

PEScience High Volume

4 out of 5

In the Pre Workout Supplements category

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  • Caffeine free pre workout - High Volume is a premium, scientifically dosed pre workout without caffeine. This unique formula...
  • Premium nitric oxide boosting - 4 grams of pure l-citrulline (more than twice the amount of common pre-workouts), agmatine...
  • Versatile and stackable - While High Volume is the ultimate in caffeine free preworkouts by itself, its unique formula allows...
HealthAmbition Stamp

Our #5 Rated

4 out of 5

In the Pre Workout Supplements category

Why Go Stimulant Free?

The purpose of stimulants (including caffeine) in a pre workout supplement is to give you a boost of energy. The dose of caffeine in most is equivalent to one or two huge mugs of coffee. Higher energy is a good thing, but stimulants aren’t always the best way to achieve this. Here are some reasons you might consider going stimulant free.

1. Caffeine Can Interfere with Your Sleep

Many people work out in the evening or at night after work. If you’re taking caffeine in the late afternoon, you might not be able to sleep well that night.

Your central nervous system remains alert for an average of five hours after you take caffeine or any similar stimulants. (source)

2. It’s Not Safe for People with High Blood Pressure

Stimulants work by vasoconstriction, which means tightening of the blood vessels. As a result, it becomes harder you for to pump blood throughout your body. This leads to spikes in blood pressure. For those of you who already have high blood pressure, stimulants can be very dangerous. If you have an ongoing health condition or take a prescription medicine, always check with a healthcare professional before adding a supplement to your routine.

3. Some People Just Don’t Benefit from Stimulants

Stimulants can have adverse effects on some people, ranging from nausea and stomach pain to anxiety. In those cases, the benefit simply doesn’t outweigh the side effects.

4. Stimulants Can Be Addicting

Caffeine and most stimulants provide not only a physical boost but a mental one. Stimulants increase dopamine levels in the brain, the neurotransmitter associated with pleasure.

You’ll feel a sort of high while on caffeine or stimulants, but the crash afterward will probably leave you craving more. Coming off of stimulants can even result in anxiety or depression. (source)

5. Even People Who Use Stimulants Regularly Should Take Breaks

It’s not safe to take supplements with a high stimulant content for extended periods of time. Taking a break from stimulants gives your body a chance to regain its natural energy.

Your body will also adjust to stimulants over time, making them less effective the longer you take them.

One fitness expert recommends cycling off stimulant pre workouts approximately every two months. Check out his video for reasons why you should give your body the occasional rest from caffeine and other stimulants:

Common Stimulant Substitutes

So what do the best stimulant free pre workouts use to give you a boost? The answer is usually amino acids. There is a wide variety of amino acids with an even wider array of benefits. The right amino acids can do anything from improving endurance and giving you more power to helping with muscle recovery.

The following are the most common amino acids and nutrients you’ll find in the best caffeine free pre workout supplements:

Creatine

Creatine is one of the most well-researched workout supplements on the market. It’s an amino acid known to increase strength and stimulate muscle growth. (source)

Many studies have revealed creatine’s benefits for athletic performance. (source) Taking creatine can have long-term cumulative benefits too – including greater strength, less fat mass, and more muscle mass. (source)

Today many companies have devoted time and resources to developing enhanced varieties of creatine for their supplements.

Creatine monohydrate is the original, while creatine HCL is another common version known to cause less water retention and produce muscles that appear slimmer. Micronized creatine is a finer powder that is easier to blend into a drink and absorb into the body.

However, some people have trouble absorbing creatine simple due to their genetics. Creatine also isn’t that effective for endurance-based exercises like running. (source) For these reasons, I didn’t choose any creatine-only supplements to review in this article.

Citrulline

Citrulline, sometimes listed as L-citrulline, is an amino acid that helps the body produce more nitric oxide (NO). Nitric oxide is a vasodilator, which helps the body with blood circulation.

With the opposite effect of stimulants, NO widens blood vessels and allows for greater blood flow to your muscles. Healthy blood flow lets your body deliver more oxygen and nutrients to the muscles and improves your performance.

One study tested the time it took cyclists to complete an exercise with and without citrulline. The participants who took oral supplements of citrulline not only completed the task faster but reported less muscle fatigue and better concentration. (source)

Many supplements combine citrulline with L-malate. You might see the ingredient listed as citrulline malate. Malate, which is just the addition of malic acid, boosts your energy levels.

A study on citrulline-malate for professional male weightlifters resulted in more lower body repetitions. (source) A similar study looked at professional female tennis players. The result was increased grip strength and greater lower body power when players took eight grams of citrulline malate before exercising. (source)

In addition to improving performance in athletes, citrulline malate also reduces muscle soreness, making it useful for those new to the gym too. (source)

 

Beta-Alanine

Beta-alanine is naturally produced in the liver. You also get beta-alanine from meats like beef and poultry. It’s known as a “non-essential” amino acid since it’s not necessary to consume it. However, beta-alanine supplements can provide additional benefits.

When you take beta-alanine, it goes to the muscle fibers. There it combines with histidine – another amino acid – to form carnosine. Carnosine is responsible for maintaining your blood pH. It acts as a buffer between hydrogen ions to promote less acid build-up.

Maintaining the right pH in your blood is important. Too much acid in the bloodstream results in muscle fatigue. During exercise, your body naturally produces more acid, and you begin to feel worn out. (source) Beta-alanine mitigates and holds off these effects.

Studies on beta-alanine show impressive results. Participants who took beta-alanine supplements during high-intensity interval training workouts increased their lean muscle mass. They also saw improvements in their overall performance. (source)

Beta-alanine can give you a tingling or “pins and needles” sensation, so don’t be surprised if this happens when you take a pre workout with this ingredient.

BCAAs

Branched-chain amino acids, or BCAAs, are also great workout boosters. The primary BCAAs are L-leucine, L-isoleucine, and L-valine. Leucine is the most impactful BCAA and has a large volume of studies to support its benefits. (source)

One study found that participants who look BCAA supplements with a resistance-training workout had greater muscle strength. They also experienced fat loss and lean muscle gains.

Best Stimulant and Caffeine Free Pre Workouts for 2019

I’ve reviewed five of the best stimulant free pre workout supplements. It might surprise you how simple some of these products are, but all of them are proven to give you a boost during a workout. Take a look at this list to help you find the best caffeine free pre workout.

Our #1 Rated
Our pick our #1 rated

Kaged Muscle

Kaged Muscle Citrulline

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

This first supplement focuses on one simple element, so you know exactly what you’re getting. As a pure L-citrulline product, you’ll see a boost in nitric acid and improved blood circulation for longer, better performance.

Kaged Muscle Citrulline is all about high quality, with the certifications to prove it. This supplement is GRAS approved (labeled generally recognized as safe by the FDA) and Banned Substance Free certified, which means it’s safe for competitive athletes.

They use a vegetable fermentation method to get their citrulline instead producing it synthetically. Although this process takes longer, it ensures that the resulting product retains its full benefits.

Kaged Muscle wants to sell you on the benefits of using pure L-citrulline instead of citrulline malate, but it depends on what you want in a pre workout. Focusing on citrulline and leaving out malic acid, emphasizes strength and endurance without any additional boost to energy.

Pros
Pro 2 grams of 100% pure l-citrulline per serving
Pro Derived from vegetable fermentation
Pro Increases blood circulation and nutrient delivery to muscles
Pro Vegetarian
Pro gluten-free and kosher
Pro GRAS approved
Pro Banned Substance Free Certified (Safe for Athletes)
Pro No artificial flavors
Pro colors or sweeteners
Pro No Fillers
Pro No GMOs
Pro Made in the USA
Pro Unflavored
Cons
Con Mixture can be a little gritty
 
 
 
 
 
 
 
 
 
 
 
 

Our #2 Rated
Our pick our #2 rated

PrimaForce

Primaforce Beta Alanine Powder

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

Primaforce Citrulline Malate is another supplement focused on citrulline. It supports increased performance, lean muscle mass growth, and improves blood flow.

This powder includes l-malate or malic acid. While some companies dismiss malate as a filler, it serves a function too. L-malate increases your body’s ATP production, which then boosts your energy.

Pros
Pro 2 grams of l-citrulline dl-malate per serving
Pro Improves performance and blood flow
Pro Promotes lean muscle mass growth
Pro Ups ATP production to increase energy
Pro Lab tested
Pro Comes in 200-gram bottle
Pro Unflavored
Cons
Con Some find the citrus flavor sour
 
 
 
 
 
 

Our #3 Rated
Our pick our #3 rated

PrimaForce

Primaforce Citrulline Malate

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

Primaforce Citrulline Malate is another supplement focused on citrulline. It supports increased performance, lean muscle mass growth, and improves blood flow.

This powder includes l-malate or malic acid. While some companies dismiss malate as a filler, it serves a function too. L-malate increases your body’s ATP production, which then boosts your energy.

Pros
Pro 2 grams of l-citrulline dl-malate per serving
Pro Improves performance and blood flow
Pro Promotes lean muscle mass growth
Pro Ups ATP production to increase energy
Pro Lab tested
Pro Comes in 200-gram bottle
Pro Unflavored
Cons
Con Some find the citrus flavor sour
 
 
 
 
 
 

Our #4 Rated
Our pick our #4 rated

Evogen

Evogen EVP Elite Pre Workout Solution

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

Evogen EVP is a traditional pre workout supplement and protein powder with a variety of nutrients to help get you going. This supplement has had a long history. Models often used Evogen EVP before fitness shows to look their best.

EVP includes several different amino acids including l-leucine, the most powerful and well-tested BCAA (branched-chain amino acid). The blend used in this supplement has been formulated to be easy to absorb. The company produces l-leucine through a highly monitored fermentation process to ensure high-quality.

The blend of nutrients in EVP stimulate protein synthesis in your muscles and increase your lean muscle mass growth. Their ATP/cognitive support complex, including l-tyrosine, improves concentration, alertness, and gives you a blast of energy.

Pros
Pro 15 calories per serving
Pro 9.22 grams of l-leucine
Pro l-arginine
Pro alpha-ketoglutarate
Pro creatine
Pro l-glutamine
Pro and l-tyrosine
Pro Includes B1
Pro B2
Pro B3
Pro B6
Pro and B12 vitamins
Pro Stimulates protein synthesis
Pro Increases muscle mass
Pro Improves concentration
Pro Comes in 475 grams or about 40 servings
Pro Available in grape and strawberry kiwi flavors
Cons
Con Includes additional ingredients and artificial flavoring
Con Powder can be difficult to blend well
Con High price
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Our #5 Rated
Our pick our #5 rated

PEScience

PEScience High Volume

  • Quality
    Quality

  • Quality
    Price

  • Quality
    Our rating

The main active ingredient in PEScience High Volume is l-citrulline, with no malate. It has double the amount of l-citrulline than most pre workouts at four grams per serving.

High Volume is great for if you want to focus on increasing nitric oxide levels, which improve blood circulation and oxygen and nutrient delivery to your muscles for enhanced performance.
PEScience High Volume uses a performance pump matrix that includes taurine and Ferula Asafoetida root extract.

Taurine is an organic acid with sulfur commonly used to improve blood flow and reduce pain from cramps. It also has antioxidant properties, which facilitate muscle recovery.

Ferula Asafoetida root improves lung health and benefits the gastrointestinal system. Studies have shown that asafoetida as a spice can stimulate digestive enzymes and increase nutrient absorption.

Pros
Pro 4 grams of l-citrulline per serving
Pro 250 mg of vitamin C
Pro 2 grams of arginine
Pro 3
Pro 750 mg of taurine
Pro glycerol
Pro and Ferula Asafoetida root extract
Pro 1 gram of agmatine sulfate
Pro Increases nitric oxide (NO) levels for better blood circulation and performance
Pro Antioxidant properties
Pro Muscle recovery
Pro Supports lung and gastrointestinal health
Pro Vegan
Pro Comes in 36 scoop size
Pro Four flavors available
Cons
Con Contains some artificial ingredients and flavoring
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Conclusion

I recommend Kaged Muscle’s Citrulline powder as the best stimulant free pre workout. It’s priced a little higher than other citrulline powders, but their quality is among the best.

Guaranteed safe for athletes and GRAS-approved, Kaged Muscle Citrulline has many additional benefits that other brands don’t. While they only use citrulline to enhance your workout, I challenge you to try a simple supplement.

Many pre workouts are packed with so many ingredients that we don’t know what is helping you get positive results. Several studies have proven the effectiveness of L-citrulline as a workout supplement. It increases blood circulation, muscle growth, and overall performance.

Try one of the best caffeine free pre workout supplements around and do something good for your body.

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