Cellucor C4 Ultimate Pre-Workout vs Legion Athletics Pulse Stim-Free Pre-Workout
The verdict
- Legion Athletics Pulse Stim-Free Pre-Workout scores 29.2 points higher than Cellucor C4 Ultimate Pre-Workout on formula: 69.2 (C tier) vs 40.0 (F tier).
- Caffeine: 300 mg vs 0 mg.
- Both labels have 0% hidden in blends.
- Pulse Stim-Free Pre-Workout costs $2.50 per clinically dosed serving. C4 Ultimate Pre-Workout does not have a comparable clinically dosed price.
- Neither is third-party tested.
- Largest panel dose differences for C4 Ultimate Pre-Workout vs Pulse Stim-Free Pre-Workout: L-Tyrosine: 1,000 mg vs none listed; Betaine Anhydrous: 1,250 mg vs 2,500 mg; L-Citrulline: 3,000 mg vs 5,333.6 mg.
- Bottom line: Pulse Stim-Free Pre-Workout has the higher formula score.
Straight from the label math; no editorial picks. We don't earn a commission from store links on this site.
| Metric | ||
|---|---|---|
| Scores | ||
| Tier | F · 40.0 | C · 69.2 (best) |
| Overall score | 33.5 | 52.5 (best) |
| Dose | 40.0 | 69.2 (best) |
| Transparency | 100.0 | 100.0 |
| Pump | 60.0 | 60.0 |
| Focus | 90.0 (best) | 30.0 |
| Endurance | 100.0 | 100.0 |
| Caffeine | 300 mg · ☢️ Talk To Your Cardiologist | 0 mg · 😴 Night Shift |
| Lowest price | $39.99 (best) | $49.99 |
| Per clinically dosed serving | $2.66 · Underdosed | $2.50 · 💸 Pricey (best) |
| Real servings | 15 of 20 | 20 of 20 (best) |
| Testing | Untested | Untested |
| Ingredients (per graded serving) | ||
| L-Citrulline (counts toward the tier) | 3,000 mg75% | 5,333.6 mg100% ✓ |
| Caffeine (counts toward the tier) | 300 mg100% ✓ | missing |
| Betaine Anhydrous (counts toward the tier) | 1,250 mg50% | 2,500 mg100% ✓ |
| L-Tyrosine (counts toward the tier) | 1,000 mg100% ✓ | missing |
| Taurine (counts toward the tier) | missing | missing |
| L-Theanine (counts toward the tier) | missing | missing |
| Beta-Alanine | 3,200 mg100% ✓ | 3,600 mg100% ✓ |
| Alpha-GPC | — | 300 mg100% ✓ |
| Creatine Monohydrate | 1,013.1 mg34% | — |
| Huperzine A | 50 mcg100% ✓ | — |
| L-Arginine | 3,000 mg50% | — |
| Lentil Peptides (PeptiPump) | 200 mg | — |
| Methylliberine (Dynamine) | 50 mg | — |
| Potassium | 190 mg | — |
| Rauwolfia vomitoria root bark extract | 1 mg | — |
| Sodium (Electrolytes) | 225 mg | — |
| Theacrine (TeaCrine) | 10 mg | — |
= best in the row. = part of the ideal pre and counts toward the tier. Percentages are of the clinical reference dose.
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