The Best Stimulant Free Pre Workout Supplement (Update 2020)

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Choosing to use stimulant-free pre-workout supplements instead of pre workout supplements with stimulants is one of the best choices you can make to improve your workouts for many reasons. Although it is safe to consume caffeine, such as through drinking espresso or coffee, drinking pre workout products with large amount of caffeine or other drinks can have negative effects on your health in a variety of ways.

Unlike stim-free pre-workouts, stimulants target your adrenal glands and have many harmful side-effects that go along with their benefits.

If you are going to use a pre workout product that does contain a stimulant, use a natural option such as green tea before exercising.

To learn more about stimulant free pre-workouts and find out what I believe is the best stimulant free pre workout supplement, keep reading below!

Why Should You Use Stimulant Free Pre-Workout Supplements?

the best caffeine free pre workout supplement

Some people consider pre workout products to be legal alternatives to steroids since they can have such a significant effect on your ability to get more out of your workouts. Although the phrase “legal steroids” might be a bit of a stretch, they can make a pretty significant impact on the results you get from your workout sessions!

Simply put, the main job of any pre workout product is to provide you with energy to have a better workout than you normally would. However, there are a variety of ways that pre workout products can provide you energy.

Caffeine is one of the most important stimulants in pre-workouts. Although caffeine can improve your workout performance, it can also cause many side effects if taken in excess, which is the case with most pre workout supplements.

Drinking too much caffeine in your pre workout supplements can cause adrenal fatigue, amongst other health issues. Adrenal fatigue is a serious issue that can be induced through too much caffeine intake.

According to a study which was published in Advances in Integrative Medicine,

“adrenal fatigue is a common stress-related disorder in which the symptoms are strongly influenced by circulating cortisol levels. Although adrenal fatigue has appeared in the medical literature by various names for over 100 years, its prevalence is just now coming to the forefront. Healthcare professionals can make a dramatic difference by monitoring patients’ health to check for signs and symptoms of adrenal fatigue.”

The good news is that many other ingredients can replace caffeine. Surprisingly, many people do not know about the energy-increasing and fatigue-fighting ingredients in stim-free pre workouts and their benefits. However, the pre-workout industry is slowly transitioning towards these ingredients anyway.

Check out these reasons why you should use caffeine free pre workouts!

Additional Reading: Best Weight Loss Coffee

Best Stimulant-Free Pre Workout Ingredients

the best ingredients for stimulant free pre workout supplementsNon stimulant pre workout supplements are made to maximize your performance. This is why even with no caffeine, you will still be able to improve your workout effectiveness.

Some stimulant-free pre-workouts can offer better focus than pre workout supplements with caffeine! This can be achieved through different ingredients, such as nootropics. Although caffeine is the most well-known nootropic in the world, other common nootropics are not technically “stimulants.”

Stimulant free pre workout supplements can utilize a nootropic such as Lion’s Mane Mushroom, which provides natural mental clarity and focus, or the extract of Bacopa monnieri.

As always, it is important to choose the products which work for you.

For example, Ginkgo Biloba extract is well-known for increasing mental energy and focus. As stated by a study published in Human Psychopharmacology,

“We observed indications for improved cognitive flexibility without changes in brain activation, suggesting increased processing efficiency with EGb761® (ginko biloba extract).”

Instead of caffeine, you can find different ingredients for boosting energy and focus. From plant extracts to amino acids, there are many natural sources of energy you can use.

Here are the best stimulant free pre workout ingredients:

Citrulline Malate

Citrulline malate is one of the few dietary supplements which has clinical research to verify its benefits.

In fact, multiple studies have proven the benefits of citrulline malate for improving workout performance.

According to one study produced in the Journal of Strength and Conditioning,

“We conclude that the use of CM might be useful to increase athletic performance in high-intensity anaerobic exercises with short rest times and to relieve post-exercise muscle soreness. Thus, athletes undergoing intensive preparation involving a high level of training or in competitive events might profit from CM.”

When you use citrulline malate before your workouts, you will notice benefits such as:

  • More Muscle Endurance
  • Less Muscle Soreness Post-Workout
  • Increased Work Capacity
  • A Bigger Muscle “Pump”

I suggest that you look for a pre workout product which contains about 3-6 grams of citrulline malate.

Beta Alanine

Another clinically researched ingredient is beta alanine, and this is an even lesser-known pre workout supplement ingredient.

The primary role of beta alanine is to improve your workout capacity. Beta alanine works by creating a buffer that slows down the build up of lactic acid, helping your muscles perform normally for longer.

According to a study produced in The Official Journal of the American College of Sports Medicine,

“Supplementation with β-alanine has been shown to increase muscle carnosine content and therefore total muscle buffer capacity, with the potential to elicit improvements in physical performance during high-intensity exercise. Studies on β-alanine supplementation and exercise performance have demonstrated improvements in performance during multiple bouts of high-intensity exercise and in single bouts of exercise lasting more than 60 s.”

For beta alanine, the best possible dosage is ~3.2grams per day, taken over the course of small dosages throughout the day. Personally, I have found the best results when I can take 4 doses of 800mg of beta alanine per day.

Beta alanine also works synergistically with creatine monohydrate, one of the other top stim-free pre workout ingredients on my list!

Creatine Monohydrate

Of all the caffeine-free pre workout product ingredients, creatine monohydrate is probably the most well-known. Creatine monohydrate is another workout capacity enhancer, and it also plays a tremendous role in helping you build more lean muscle mass.

The main role of creatine monohydrate is to draw more water into your cells, which provides you with greater strength and endurance overall.

If you are only getting your creatine monohydrate in your daily pre workout product, your pre workout should include at least 5 grams of creatine monohydrate.

However, some people prefer to begin with a “loading” phase of up to 25 grams of creatine monohydrate per day for the first week.

According to one study produced in the Journal of the American Dietetic Association,

“One week of creatine supplementation (25 g/day) enhances muscular performance during repeated sets of bench press and jump squat exercise.”

Although there are other forms of creatine, I only use creatine monohydrate because it is well-researched and effective.


BCAAs are vital to your stimulant-free pre workout supplement because they provide your body with easily accessible sustained energy. BCAAs provide quick fuel for your muscles, while also providing a lasting fuel source for your body overall. Drinking BCAAs before your workout will help improve your muscle recovery time and also help you train more intensely without becoming fatigued.

According to a study published in the Journal of the International Society of Sports Nutrition,

“Research on branched chain amino acids (BCAA) has concluded that supplementation can result in increased protein synthesis and additional lean body mass in multiple populations. BCAA have also been shown to improve muscular strength as well as an increase thigh mass. Muscle damage has been markedly reduced after exercise and BCAA supplementation. Intake of BCAA, and leucine in particular, can create an anabolic environment by reducing protein oxidation and promoting sarcomerogenesis in skeletal muscle. The inclusion of BCAA before or after an exercise session will help the body maintain a positive nitrogen balance and support muscle growth.”

I suggest that you drink between 5 and 10 grams of BCAAs before your workout, so try to find a pre workout product which includes this much!

Related Reading: The Best Supplements for Muscle Gain and Weight Loss

The Best Stimulant Free Pre Workout Supplement

In my opinion, of the stimulant free pre workout products I have tried, Genius Pre by Genius Brand Supplements is the best stim-free pre workout.

Genius Pre does not contain any artificial flavors or dangerous stimulants, and it is powered by clinically dosed stimulant-free nootropics. Especially as a person living with Tourette Syndrome, having a pre workout that can provide significant amounts of energy without any stimulants is truly incredible.

If you want to learn more about this product, check out my Genius Brand Supplements Review!

Concluding Thoughts – Benefits of Simulant Free Pre Workout Supplements

As with most supplements, your body will eventually start to develop a tolerance to the ingredients. You will start to see this with diminishing results regarding energy, and this is why it is important to find the option which works best for you and which is made to considerably improve your results when it comes to better long-term results.

But for this to happen, you will need to take breaks from the supplements altogether.

Pre-workouts thus need to be seen as a solution for improved overall results over a long period. The benefit of using stimulant free pre workout supplements is that they will help improve your body in a variety of ways, not just provide you energy for one specific workout. If you use a stim-free pre workout like Genius Pre, I am confident you will love the results!

Read Next: Coffee vs Pre Workout


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