Pre-workout supplementation has been one of the most popular supplement categories for over a decade, and for good reason. Getting effectively motivated with the ideal nutrients before your workout can mean the difference between success and failure.Â
Selecting the best pre-workout supplement can be a daunting task and isn’t for the faint of heart. There are dozens of selections out there, and for every gym rat you ask, you’re likely to get a different answer from each one. Here we’ll break down the key ingredients to look for in a great pre-workout supplement, helping you make an informed choice.
Table of contents
What Ingredients Should You Look for in a Pre-Workout Supplement?
When selecting a pre-workout supplement, it is important to know which ingredients truly make a difference. The right blend can boost your energy, sharpen your focus, and enhance endurance and overall exercise performance, setting you up for a stronger, more effective workout. Here’s what to look for to get the most out of your pre-workout.
Caffeine

Pre-workout supplements offer a significant advantage in the gym for several reasons. First and foremost, they work on motivation and energy. Typically, much like an energy drink, the main ingredient is the well-proven caffeine (methylxanthine). Whether it comes from a coffee, a caffeine pill, or in the form of a pre-workout supp, this ingredient is a potent one that provides a long list of benefits.Â
Most importantly, it stimulates your brain to boost motivation. Aside from waking you up and giving you mental energy, it has the effect of reducing your perception of exertion. Simply put, you’ll push harder because the weight feels less heavy than it normally would. The result – you’ll simply get more out of your workout, you’ll lift more, run harder, and go longer. This is why (at least for a time) caffeine in elevated amounts was considered to be a banned performance-enhancing substance.
1-3, Dimethylamylamine or DMA
In recent years, additional stimulants have been introduced to enhance this effect. They, like caffeine, work on increasing the secretion of norepinephrine (NE) by the adrenal glands. One of the most contentious of these is called 1-3, Dimethylamylamine, or DMA for short. This ingredient was claimed to be derived from geranium extract, though this has been scientifically debated. It has since been declared illegal in many countries and banned by sports organizations such as WADA.
Hordenine, Synephrine and Octopamine
There are other key ingredients that you can rely on to provide a very similar stimulant action: Hordenine, Synephrine, and Octopamine. All of these exert very similar stimulant actions and complement caffeine very nicely. Naringin is an ideal addition, as it extends the action of the stimulants by reducing the rate at which your body breaks them down. This increases the activity time of the stimulant and improves its effect.
Yohimbine
The one stimulant that is unique among the others and highly effective is Yohimbine. Unfortunately, this ingredient is illegal in Canada, but is very popular in US formulations. The advantage of this ingredient is that it is known to increase blood flow and act on specific fat receptors in the buttocks and thighs, generally lowering body fat.Â
In terms of pre-workout supplementation, it produces a strong stimulant effect that works well in conjunction with caffeine. Aside from the stimulant effect so important to getting your head in the game, the elevation of norepinephrine also has a strong fat-burning effect. In addition to gaining the mental focus and motivation essential for a great workout, you will also burn more fat. The mechanism of action is the liberation of stored fat in the form of long-chain fatty acids that can be burned by the body to produce energy.
L-Carnitine
Adding L-Carnitine to your pre-workout stack is an excellent complement, but it should be taken 30 to 60 minutes before training, while your main pre-workout should be taken right before you train for quick absorption. L-Carnitine in the body transports the long-chain fatty acids (LCFA) into the cell, where the mitochondria burn the LCFA as energy. It is well known that mitochondria are the powerhouses of the cell, but less well known is how the supplementation of L-Carnitine supports this process.
Arginine

Arginine is a primary component of most of these pre-workout supplements, and for good reason. It has been a medical standard for decades in increasing nitric oxide levels in cardiac patients. Nitric oxide (NO) relaxes blood vessels and improves blood flow. Uptake and absorption are key to Arginine’s effectiveness, which is why blends of different forms are often used to ensure optimal NO production. Less well known is Arginine’s ability to stimulate growth hormone release. It is also one of the substrates the body uses to naturally produce creatine.
Ginkgo Biloba, Ginseng and Citrulline
Ginkgo Biloba, Ginseng, and Citrulline are top choices worth including in any pre-workout supplement. Ginkgo, with over 4,000 years of use, is known for enhancing blood flow and circulation.
Ginseng exerts its effects primarily by enhancing NO release and, as a result, makes an ideal addition to any pre-workout. L-Citrulline has an excellent track record of enhancing blood flow. There was quite a storm of news articles related to watermelon being an ideal fruit to eat (in large quantities) if you want to enhance erectile function. The key to that, of course, is increasing blood flow, and watermelon (specifically the rind) has large amounts of citrulline.
How to Choose The Best Pre-Workout?
Choosing the best pre-workout supplement isn’t just about grabbing the first product you see. It’s about finding a formula that suits your needs, supports your goals, and keeps you motivated. From taste to effective ingredients, here are the key factors to consider when making your choice.
Great Taste (you have to love it, or you won’t use it).
Good Stimulant (you have to be mentally ready for your workout).
Caffeine (multiple versions are good – select the amount of stimulation right for you; everyone is different).
Hordenine, Synephrine, and Octopamine are excellent additions.
Naringin (extends the action of stimulants).
Good Pump (feeling the swelling of your muscles is a great motivator).
Arginine from several sources.
Ginkgo, Ginseng, and Citrulline are great as well.
The pump helps force nutrients and oxygen into the muscle.
Talking to experienced lifters who regularly use pre-workout supplements quickly reveals why this category is so popular. Getting ready for every workout becomes a part of the ritual that makes every training session even better. When you’re gearing up for the gym, you want to get psyched, make every workout feel great, block out the rest of the world, and focus entirely on achieving your goals.
The whole pre-workout supplement ritual is a huge part of getting your head in the game and getting into the zone. Choosing the right pre-workout is key to ensuring every session is your best, leaving the gym knowing you gave it your all.
High Stimulant or Non-Stimulant Pre-Workout? Which One’s Right for You?
Deciding between a high stimulant (high stim) and a non-stimulant (non-stim) pre-workout depends largely on your tolerance, workout goals, and time of day. High stim pre-workouts pack a powerful energy punch, ideal for intense training sessions or when you need that extra mental edge. However, they can cause jitters or interfere with sleep if taken too late.
Non-stim pre-workouts, on the other hand, focus on enhancing endurance, muscle pump, and recovery without the caffeine buzz, perfect if you’re sensitive to stimulants or prefer a calmer boost. Choose what fits your lifestyle and pay attention to your body for the best results.
References
- Harty, P. S., Zabriskie, H. A., Erickson, J. L., Molling, P. E., Kerksick, C. M., & Jagim, A. R. (2018). Multi-ingredient pre-workout supplements, safety implications, and performance outcomes: a brief review. Journal of the international society of sports nutrition, 15(1), 41. [Online] https://nsuworks.nova.edu/neurosports/vol1/iss2/17/
- Eudy, A. E., Gordon, L. L., Hockaday, B. C., Lee, D. A., Lee, V., Luu, D., ... & Ambrose, P. J. (2013). Efficacy and safety of ingredients found in preworkout supplements. American Journal of Health-System Pharmacy, 70(7), 577-588. [Online] https://academic.oup.com/ajhp/article-abstract/70/7/577/5112467?redirectedFrom=fulltext