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Legion Pulse Pre-Workout Review
Is It Worth It?

Isaac Robertson
Published by Isaac Robertson
Fact checked by Donald Christman, BHSc FACT CHECKED
Last updated: October 12, 2021

Every gym-goer has their not-in-the-zone days. While that's completely normal, the longer you're in the fitness stagnation, the harder it is to get back on track.

I'm no different, so I spent hours digging into the internet to find a pre-workout supplement that'll get me pumped and improve my overall gym game, and that led me to Legion Pulse.

I've read good reviews, but I was still skeptical because I've heard some can cause crashes or sleeplessness. So, I needed to see it for myself.

Here is my Legion Pulse pre-workout review and why it became a personal favorite.

What is Legion Pulse Pre-Workout?

Legion Pulse is considered one of the best pre-workout supplements made of 100% high-quality natural ingredients. The main ingredients are Caffeine, L-Citrulline Malate, and Beta-Alanine.

This supplement claims to help increase energy, improve focus, enhance strength and endurance, and reduce fatigue. It's manufactured by Legion Athletics, a Florida-based company founded by Mike Matthews.

Matthews is a fitness enthusiast, book author, and blogger. He got tired of pre-workouts containing low-quality ingredients and unnecessary additives, so he created Legion Athletics Pulse instead.

Let's dig into more detail on its ingredients and effectiveness.

Legion Pulse Ingredients

Supplement facts of Legion pulse

If I were to sum up its formulation, it would be this:

  • They took ingredients that work and dosed them heavily.
  • And that's pretty much what is needed for a pre-workout.

Caffeine Anhydrous

This product has 350 milligrams of caffeine per serving (two scoops), which is the same amount you take in with three and a half cups of coffee.

That's a pretty strong dosage per serving and can be overwhelming for those sensitive to caffeine, but you can choose to take just one scoop.

Caffeine can give mental and energy boosts, increase power output and reduce muscle pain.


The 3.5 grams Beta-alanine in Pulse is known to increase muscle endurance so that you can do more reps and increase muscle mass faster [1]. It also works as a lactic acid buffer; it helps reduce fatigue, pain, and cramps.

Beta-alanine also causes a weird tingling feeling that lasts about 30 minutes.


tea pot filled with green tea

Research suggests that L-Theanine smooths out the stimulating effects of caffeine so that you can feel pumped for your training without the jitters [2]. It also helps prolong the effects of caffeine.

Betaine Anhydrous

Pulse contains 2.5 grams per serving of Betaine Anhydrous.

Betaine helps hydrate the muscles and maintain the normal functions in our system. Well-hydrated muscles have increased strength, which enables you to get through the exercises more easily.

L-Citrulline DL-Malate

white powder filling a wooden bowl

L-Citrulline Malate helps improve blood flow, so the body can efficiently move oxygen and other nutrients in the system. Citrulline Malate helps you become more active with less energy consumption.

AlphaSize® Alpha-GPC

Another ingredient that helps sharpen focus is Alpha GPC. Alpha GPC increases choline, a compound with brain-boosting properties, keeping you more focused on your exercise and increasing overall gym performance.

Benefits of Legion Pulse

man in a push up position and a woman flexing her biceps

Boosts Energy with No Jitters or Crash

With the high dose of caffeine you'll feel the buzz in your workouts, but the fun part is, with the proper dose of L-theanine, you won't feel any jitters or crashes.

I love that I don't feel drained when the effects wear off.

Improves Mental Focus

The more focused you are on working out, the better the results you're getting. It's because you'd be more conscious of the contraction and proper form of the exercise and be more deliberate in getting the task done.

“The more you actively focus on the contraction, the more muscle fibers you activate and the less likely you are to get injured.”- Alan Snyder, DPT, Owner of Breakaway Physical Therapy

Alpha GPC in Pulse combined with the brain-boosting powers of caffeine does the trick and I was able to work out with better focus.

Increases Endurance

woman doing runs outdoors

Citrulline malate is an endurance aid for your muscles, and what's impressive with Legion Athletics Pulse, compared to other pre-workouts, is that they've dosed it with the right amount, which is 8 grams.

Combined with the stimulant caffeine that doubles up your power and Beta-alanine that lowers lactic acid build-up, you can endure more grueling workouts and perform more reps and heavy exercises.

This supplement helped me push through heavy lifts, move faster, and perform high-intensity exercises for longer.

Reduces Fatigue

This product also helps decrease that burning feeling when you're stretching your muscles during a workout. It reduces post-workout pain - thanks to its L-Citrulline DL-malate and Beta-Alanine components.

I noticed that my recovery time felt shorter, and it helped me hit the gym sooner and perform better.

Are There Any Side Effects?

arm view of a person scratching his arms

There are no reported serious health side effects, but this product may cause an itchy or tingling impact because of the Beta-alanine ingredient. It's nothing harmful, just an unsettling itchy feeling.

You'd feel the itch about 15 minutes after taking the supplement, and it can last up to 30 minutes.

Although I felt the tingling effects too, they stopped after one week of consumption.

However, the good thing is that Mike Matthews already reduced the dosage to 2.5 grams per serving to decrease this minor side effect.

How to Take Legion Pulse

legion pulse ls

Here's how you can take Pulse pre-workout:

  • 1 scoop mixed in 10-12 ounces of cold water, if you're going to do basic workouts - no heavy strength training or intense cardio. 
  • 2 scoop-serving work best if you're exhausted and have to do 45 minutes (or more) intense cardio or weight lifting.

Consume it 15-30 minutes before workout.

  • Provides high doses of natural ingredients
  • Contains electrolytes
  • Natural sweeteners/flavors
  • Mixes well
  • Tastes bad
  • May cause tingly, itchy feeling on the skin

My Personal Experience With It

I give Pulse credit for the pretty straightforward formula - no added fluff in the ingredients. All the ingredients are backed by a lot of science and are clinically effective.

As a regular gym-goer and a professional fitness trainer, I’m looking for a pre-workout that can give me an extra push for my workouts. In that sense, Legion Pulse did not disappoint.

I noticed a pumped up effect and felt like I could exercise twice a day. I am also more concentrated on exercises, I can move faster and lift heavier weights.

I also didn't experience a crash or arrhythmia, so I thought it was pretty impressive with a high-dose pre-workout like this.

Other pre-workouts we've reviewed:

What Others Say About Legion Pulse

man on his smartphone placing reviews

Here are some of the Legion Pulse Pre-workout reviews that sound positive:

"I feel a kick in my energy, and I'm not as tired as I usually am. NO jittery feeling or crash whatsoever. Definitely a good buy." - Will from Des Moines, IA

"I'm a regular gym-goer, and this product makes me jump off my feet to the gym. I'm more focused when working out, and my favorite part is I don't feel drained after the effects have worn off."

- Craig from Austin Texas

On the other hand, these customers were not so happy with the results:

"I was disappointed as it didn't work for me. No pump whatsoever even when I went for 2 scoops. Maybe it's not just for me." - Jamie from Florida

"I got the pump I needed, but what put me off was the taste - it tastes awful. They've changed the formula, and it didn't turn out well." - Nathan from Philadelphia, PA

Price/Where To Buy

This pre-workout workout is a bit expensive for some users, but I was so pleased with the effects so the price didn’t bother me. In fact, from that point of view, this product has great value at a reasonable price.

The two safest places to buy this product are on Amazon or directly on their website, where you can save a few bucks through discounts.

Should You Buy Legion Pulse?

To wrap our Legion Pulse pre-workout review: whether you're a casual gym-goer, heavy lifter that's in a workout plateau or an athlete who wants to endure grueling workouts for longer, this supplement has been proven to work.

Other pre-workouts have added "fluff" while Pulse contains a clean and high dose of natural ingredients with no artificial sweetener. It also has many benefits that address your workout needs: more energy, increased strength, muscular endurance, and sharpened focus.

Moreover, you'll get pumped without the jittery effect or crash.

Though there are few drawbacks with the taste, tingling effect, and price, I'd say its ingredients and effectiveness give great value at a fair price.

Our #1 Recommendation

Legion Pulse

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