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JYM Supplement Science Pre JYM High-Performance Pre-Workout vs Legion Athletics Pulse Stim-Free Pre-Workout

The verdict

  • JYM Supplement Science Pre JYM High-Performance Pre-Workout scores 9.8 points higher than Legion Athletics Pulse Stim-Free Pre-Workout on formula: 79.0 (B tier) vs 69.2 (C tier).
  • Caffeine: 300 mg vs 0 mg.
  • Both labels have 0% hidden in blends.
  • Pre JYM High-Performance Pre-Workout is $0.28 cheaper per clinically dosed serving at $2.22, compared with $2.50 for Pulse Stim-Free Pre-Workout.
  • Neither is third-party tested.
  • Largest panel dose differences for Pre JYM High-Performance Pre-Workout vs Pulse Stim-Free Pre-Workout: L-Tyrosine: 1,500 mg vs none listed; Taurine: 1,000 mg vs none listed; Betaine Anhydrous: 1,500 mg vs 2,500 mg.
  • Bottom line: Pre JYM High-Performance Pre-Workout has the higher formula score and the lower comparable cost.

Straight from the label math; no editorial picks. We don't earn a commission from store links on this site.

Head-to-head: JYM Supplement Science Pre JYM High-Performance Pre-Workout vs Legion Athletics Pulse Stim-Free Pre-Workout
Metric
JYM Supplement Science Pre JYM High-Performance Pre-Workout — product photo (source: manufacturer)
Solid Set
Pulse Stim-Free Pre-Workout product tub
Mid Pump
Scores
TierB · 79.0 (best)C · 69.2
Overall score58.9 (best)52.5
Dose80.0 (best)69.2
Transparency100.0100.0
Pump60.060.0
Focus87.5 (best)30.0
Endurance76.6100.0 (best)
Caffeine300 mg · 🚀 Heart Go Brrr0 mg · 😴 Night Shift
Lowest price$49.99$49.99
Per clinically dosed serving$2.22 · 💸 Pricey (best)$2.50 · 💸 Pricey
Real servings22.6 of 30 (best)20 of 20
TestingUntestedUntested
Ingredients (per graded serving)
L-Citrulline (counts toward the tier)4,000.2 mg100% ✓5,333.6 mg100% ✓
Caffeine (counts toward the tier)300 mg100% ✓missing
Betaine Anhydrous (counts toward the tier)1,500 mg60%2,500 mg100% ✓
L-Tyrosine (counts toward the tier)1,500 mg100% ✓missing
Taurine (counts toward the tier)1,000 mg100% ✓missing
L-Theanine (counts toward the tier)missingmissing
Alpha-GPC150 mg50%300 mg100% ✓
Beta-Alanine2,000 mg63%3,600 mg100% ✓
BioPerine (Black Pepper Extract)5 mg—
Creatine Monohydrate1,780 mg59%—
Huperzine A50 mcg100% ✓—
L-Isoleucine1,500 mg—
L-Leucine3,000 mg—
L-Valine1,500 mg—

= best in the row. = part of the ideal pre and counts toward the tier. Percentages are of the clinical reference dose.