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Legion Pulse Pre-Workout Review

8.7 Formula Score
Updated April 2026
By Duc Nguyen
Bottom Line
Legion Pulse is the pre-workout I recommend to anyone who is tired of not knowing what is actually in their supplement. Every ingredient is listed at its full dose, every dose is backed by a peer-reviewed citation, and it works. Genuinely one of the most transparent products in a category that desperately needs more of it.

The Problem with Most Pre-Workouts

The pre-workout category is one of the worst in the supplement industry when it comes to honesty. Proprietary blends hide the actual amounts of each ingredient behind a total weight, so you have no idea if you are getting an effective dose or a token amount. Fairy dusting, which is the practice of adding a trendy ingredient at a fraction of the effective dose just to put it on the label, is rampant.

Legion Pulse exists specifically to fix this. Every single ingredient is listed with its full dose, and Legion publishes citations to the peer-reviewed research behind each ingredient and dose. That level of transparency is genuinely rare and it is a big reason why I trust this product.

What Is in It and Why It Works

Pulse contains clinically dosed amounts of the ingredients that actually have evidence behind them. You get 8 grams of citrulline malate for pump and endurance, 3.6 grams of beta-alanine for muscular endurance, 2.5 grams of betaine for strength, and 350 milligrams of caffeine for energy and focus. These are not token amounts. These are the doses used in the studies that demonstrated the benefits.

The beta-alanine will cause tingling in your face and hands, especially the first few times you use it. That is a normal physiological response and not a sign that anything is wrong. It fades with regular use as your body adapts.

Energy and Focus

350 milligrams of caffeine is a solid dose. If you are sensitive to caffeine, start with half a scoop and see how you tolerate it. At a full scoop the energy is real and sustained, not a spike and crash. I notice it most in workout focus and the ability to push harder in the later sets of a session when fatigue would normally set in.

Taste and Mixability

Legion uses natural flavoring and stevia rather than artificial sweeteners, which affects the flavor profile slightly compared to artificially sweetened options. Some flavors are better than others. Watermelon and Blue Raspberry are my favorites. A few of the fruit flavors can taste slightly tart from the citrulline but that is inherent to the ingredient, not a quality issue.

Who This Is For

Pulse is for anyone who wants to know exactly what they are putting in their body and wants it to work. If you have been using pre-workouts with proprietary blends and wondering why the results feel inconsistent, switching to a fully disclosed formula like this often reveals that you were simply not getting effective doses to begin with.

Caffeine350mg
Citrulline Malate8g
Beta-Alanine3.6g
Betaine2.5g
Proprietary BlendNone
Artificial SweetenersNone
Servings20
Price per Serving~$1.80
What I Like
  • Fully transparent label with no proprietary blends
  • Clinically dosed ingredients backed by research
  • No artificial sweeteners or colors
  • Real, sustained energy without a crash
  • Excellent pump from full-dose citrulline
  • Third-party tested
Worth Knowing
  • High caffeine dose, not for sensitive individuals
  • Beta-alanine tingling can be uncomfortable initially
  • More expensive per serving than basic pre-workouts
  • Only 20 servings per container
  • Taste varies more across flavors than competitors
Legion Pulse Pre-Workout
Best Overall Pre-Workout · Formula Score 8.7
~$49 / 20 servings
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