GNC Pro Performance Pre-Workout vs Transparent Labs BULK Pre-Workout
The verdict
- Transparent Labs BULK Pre-Workout scores 56.0 points higher than GNC Pro Performance Pre-Workout on formula: 100.0 (S tier) vs 44.0 (F tier).
- Caffeine: 160 mg vs 200 mg.
- Both labels have 0% hidden in blends.
- BULK Pre-Workout costs $1.67 per clinically dosed serving. GNC Pro Performance Pre-Workout does not have a comparable clinically dosed price.
- Testing: GNC Pro Performance Pre-Workout is untested; BULK Pre-Workout is Verified (T2).
- Largest panel dose differences for GNC Pro Performance Pre-Workout vs BULK Pre-Workout: L-Tyrosine: none listed vs 1,000 mg; Taurine: none listed vs 1,300 mg; L-Citrulline: 3,000 mg vs 5,333.6 mg.
- Bottom line: BULK 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 · 44.0 | S · 100.0 (best) |
| Overall score | 36.1 | 91.3 (best) |
| Dose | 44.0 | 100.0 (best) |
| Transparency | 100.0 | 100.0 |
| Pump | 45.0 | 60.0 (best) |
| Focus | 60.0 | 90.0 (best) |
| Endurance | 50.0 | 100.0 (best) |
| Caffeine | 160 mg · ⚡ Standard Send | 200 mg · ⚡ Standard Send |
| Lowest price | $24.99 (best) | $49.99 |
| Per clinically dosed serving | $1.11 · Underdosed | $1.67 · 👍 Fair Price (best) |
| Real servings | 22.5 of 30 | 30 of 30 (best) |
| Testing | Untested | T2 · Verified (best) |
| Ingredients (per graded serving) | ||
| Caffeine (counts toward the tier) | 160 mg80% | 200 mg100% ✓ |
| L-Citrulline (counts toward the tier) | 3,000 mg75% | 5,333.6 mg100% ✓ |
| Betaine Anhydrous (counts toward the tier) | 2,500 mg100% ✓ | 2,500 mg100% ✓ |
| L-Tyrosine (counts toward the tier) | missing | 1,000 mg100% ✓ |
| Taurine (counts toward the tier) | missing | 1,300 mg100% ✓ |
| L-Theanine (counts toward the tier) | 200 mg100% ✓ | 200 mg100% ✓ |
| Beta-Alanine | 1,600 mg50% | 4,000 mg100% ✓ |
| Sodium (Electrolytes) | 200 mg | 180 mg |
| Alpha-GPC | — | 150 mg50% |
| BioPerine (Black Pepper Extract) | — | 5 mg |
| Boron | — | 3 mg |
| Senactiv | — | 50 mg |
| Theobromine | — | 50 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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