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Legion Pulse Pre-Workout vs JYM Supplement Science Pre JYM

Legion Pulse Pre-Workout (#3) vs JYM Supplement Science Pre JYM (#4, best value): in our Pre-Workout Supplements scoring the Legion Pulse Pre-Workout totals 8.8/10 and the JYM Supplement Science Pre JYM 7.8/10.

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Legion Pulse Pre-Workout
Legion Athletics

Legion Pulse Pre-Workout

Check price at iHerbRead full review
JYM Supplement Science Pre JYM
JYM Supplement Science

JYM Supplement Science Pre JYM

$53.99Check price at iHerbRead full review

TopsFive comparison scores

8.8 / 10
Legion Pulse Pre-Workout
7.8 / 10
JYM Supplement Science Pre JYM

Side by side

Legion Pulse Pre-WorkoutJYM Supplement Science Pre JYM
Price$53.99
Caffeine350mg300mg
Citrulline Malate8g6g
Beta-Alanine3.6g2g
Betaine2.5g1.5g
L-Theanine350mg
Alpha-GPC300mg
Servings2030
BCAAs6g
Creatine HCl2g
Beet Root500mg

How they differ in real use

Built from our pre workout scoring, each product's published specifications, and verified owner feedback — not hands-on testing.

Both the Legion Pulse Pre-Workout and the JYM Supplement Science Pre JYM made our Top 5 Pre-Workout Supplements, at #3 and #4 (best value). The best overall balance of evidence and quality control. Clinically dosed (8g citrulline, 3.6g beta-alanine, 350mg caffeine), Labdoor certified with published COAs, made in an NSF-certified cGMP facility. The most complete 'kitchen sink' formula—uniquely bundles creatine and beet-root nitrates with citrulline, beta-alanine, and betaine at a strong ~$1.67/serving. Beta-alanine is light (2g) and it carries a Prop 65 warning.

We score pre-workout supplements on Ingredient Dosing (35%), Energy & Focus (25%), Third-Party Testing (20%), Taste (10%) and Value (10%). On that basis the Legion Pulse Pre-Workout totals 8.8 out of 10 and the JYM Supplement Science Pre JYM 7.8. The widest gap is Third-Party Testing, where the Legion Pulse Pre-Workout scores 10 against 6 for the JYM Supplement Science Pre JYM — purity verification. Ingredient Dosing also separates them: 9 for the Legion Pulse Pre-Workout versus 8 for the JYM Supplement Science Pre JYM. The JYM Supplement Science Pre JYM claws back ground on Value and Taste.

On paper, the specifications that actually differ: Caffeine — 350mg on the Legion Pulse Pre-Workout versus 300mg on the JYM Supplement Science Pre JYM; Citrulline Malate — 8g on the Legion Pulse Pre-Workout versus 6g on the JYM Supplement Science Pre JYM; Beta-Alanine — 3.6g on the Legion Pulse Pre-Workout versus 2g on the JYM Supplement Science Pre JYM; Betaine — 2.5g on the Legion Pulse Pre-Workout versus 1.5g on the JYM Supplement Science Pre JYM; Servings — 20 on the Legion Pulse Pre-Workout versus 30 on the JYM Supplement Science Pre JYM.

The JYM Supplement Science Pre JYM lists at $53.99; the Legion Pulse Pre-Workout's current price is on the merchant page. Owners praise the Legion Pulse Pre-Workout for clinically dosed and fully disclosed and labdoor certified with published COAs; the most common complaint is high caffeine (350mg). Owners praise the JYM Supplement Science Pre JYM for most complete ingredient breadth and includes creatine and beet-root nitrates; the most common complaint is beta-alanine only 2g (below stronger research range).

Legion Pulse Pre-Workout

  • Clinically dosed and fully disclosed
  • Labdoor certified with published COAs
  • Made in NSF-certified, FDA-inspected cGMP facility
  • 1:1 caffeine-to-theanine focus blend
  • High caffeine (350mg)
  • Beta-alanine tingling
  • ~$2.25/serving isn't cheap

JYM Supplement Science Pre JYM

  • Most complete ingredient breadth
  • Includes creatine and beet-root nitrates
  • Fully disclosed label
  • Excellent value (~$1.67/serving)
  • Beta-alanine only 2g (below stronger research range)
  • California Prop 65 lead warning on label
  • No public sport certification or finished-product COA found

Which should you buy?

The Legion Pulse Pre-Workout is the better fit for evidence-based formulas and focus-oriented users — it is the higher-scoring pick here, chiefly for Third-Party Testing and Ingredient Dosing. The JYM Supplement Science Pre JYM is the better fit for those wanting creatine + nitrates in the pre and value seekers, and the stronger choice if Value and Taste matter more to you than the overall score. The Legion Pulse Pre-Workout is a poor fit for caffeine-sensitive; the JYM Supplement Science Pre JYM is a poor fit for those wanting a high beta-alanine dose.

Choose the Legion Pulse Pre-Workout if

  • Evidence-based formulas
  • Focus-oriented users
  • Quality-control conscious

Skip it if

  • Caffeine-sensitive
  • Budget shoppers

Choose the JYM Supplement Science Pre JYM if

  • Those wanting creatine + nitrates in the pre
  • Value seekers
  • Full-spectrum formula fans

Skip it if

  • Those wanting a high beta-alanine dose
  • Buyers wanting sport certification

Common questions

Is the Legion Pulse Pre-Workout better than the JYM Supplement Science Pre JYM?

In our Pre-Workout Supplements ranking the Legion Pulse Pre-Workout scores higher overall, 8.8 to 7.8, with the biggest advantage in Third-Party Testing. The JYM Supplement Science Pre JYM is stronger on Value and Taste, so it is the better pick if those matter most to you.

What is the main difference between the Legion Pulse Pre-Workout and the JYM Supplement Science Pre JYM?

The headline spec difference is Caffeine: 350mg on the Legion Pulse Pre-Workout versus 300mg on the JYM Supplement Science Pre JYM. In use, the gap that matters most is Third-Party Testing (10 vs 6 in our scoring): purity verification.

Check price: Legion Pulse Pre-WorkoutCheck price: JYM Supplement Science Pre JYM