Taking a stimulant-based pre-workout before you hit the weights room can give you the workout of your life. It brings on a wave of energy that heightens your nervous system response and helps you focus on the workout at hand.


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Stimulants create a maelstrom of biological responses in your body that you can take advantage of to enhance your training and your nutrition. Let’s look at your body’s response to stimulant products and their ingredients to find out how they can affect your workout and improve your performance.

What’s in a pre-workout?

There are so many stimulant-based pre-workout products on the market now that knowing what’s in them, and which one you should choose to ignite your workout to the next level can be difficult.


The majority of stimulants are primarily caffeine-based products. This ingredient increases metabolic function in the brain and signals local dopamine release. You receive an energy rush that engages your nervous system for a fight or flight response as adrenaline is produced.

This response is perfect for when you are fully warmed up on the gym floor and as the rush hits, you are heading into your main work sets. It keeps your head in the game and helps you push harder while reducing the risk of injury, by heightening the engagement of the nervous system.

All of this translates into the ability to increase workload. By doing more work, you increase the stimulus to your body which improves hypertrophy and fat loss.


1,3-DMAA has been used in lots of potent pre-workout supplements and really changed the game. It was so effective that is actually now banned by USADA and WADA as a performance enhancer, being that it appears structurally similar to amphetamine, causing false positives in athlete’s drug testing protocols.

Most athletic bodies around the world have banned this stimulant and it is not used in the latest supplements since the athletic bans came down. 1,3-DMAA is a strong neural stimulant with a structure similar to adrenaline and ephedrine. It is derived from the Geranamine extract. Users report a powerful, sustained, euphoric energy release that gives intense focus.

Beware of some products still offering this stimulant in their ingredient list.

Citrulline Malate

This has been hailed as the supplement of 2017. Truth is that it has been used in supplements for years and is a foundational base for both stimulant and non-stimulant products.

Citrulline Malate is made from Citrulline, a nonessential amino acid that increases ATP production and phosphocreatine recovery. Citrulline Malate regulates the recycling of lactate and pyruvate and supplies instant and sustained energy release.

It also has the ability to enhance and amplify other stimulants, like caffeine, and give them a sustained energy release over your entire workout.

Metabolism & Heart Rate

A sudden release of energy in your body gets your metabolic function going. Your heart rate will elevate and depending on your type of training, you may find it easy to achieve the maximum HR range.

Elevated heart rate translates to elevated metabolism, better assimilation, and improved nutrient partitioning.

Strength & Power

The use of stimulants in a workout brings with it a focus that helps you link the fabled mind-muscle connection and push through limits in your strength and explosive power.

It’s not uncommon to see trainees hit new PR’s when they start using pre-workout stimulants coupled with a solid diet and good peri-workout nutrition.

Endurance & Stamina

Extra energy with a sustained release also increases your endurance and stamina. With your nervous system engaged, you will have the ability to lift more weight for more reps.

Get Charged Up

To give yourself a training edge the next time you feel good, or give yourself a boost the next time you feel down, throw a pre-workout drink into your supplement protocol.

Down it 20-30 minutes before you start your workout and watch the explosive results in your energy levels blast you through sticking points and set new PRs.

If you think that Stimulants are not for you - try PSI the ultimate Non-Stim Preworkout!