Transparent Labs BULK Black Pre-Workout vs Legion Pulse Pre-Workout
The two cleanest labels in pre-workout disagree on exactly one thing: how hard the caffeine should hit.
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Our test scores
9.3 / 10
Transparent Labs BULK Black Pre-Workout
8.8 / 10
Legion Pulse Pre-Workout
Side by side
| Transparent Labs BULK Black Pre-Workout | Legion Pulse Pre-Workout | |
|---|---|---|
| Price | $54.99 | $44.99 |
| Caffeine | 325mg | 350mg |
| Citrulline Malate | 8g | 8g |
| Beta-Alanine | 4g | 3.6g |
| Betaine | 2.5g | 2.5g |
| Alpha-GPC | 300mg | 300mg |
| L-Theanine | 200mg | 350mg |
| Servings | 30 | 20 |
Transparent Labs BULK Black Pre-Workout
- Fully disclosed, no proprietary blends
- Strong clinical doses across the board
- Public third-party purity reports
- Nootropics (alpha-GPC, theanine, tyrosine)
- High-stim (325mg caffeine)
- Beta-alanine tingling
- No current iHerb listing found
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
Which should you buy?
Choose the Transparent Labs BULK Black Pre-Workout if
- Label-transparency fans
- Stim-tolerant lifters
- Those wanting full clinical doses
Skip it if
- Stim-sensitive users
- Those avoiding beta-alanine tingles
Choose the Legion Pulse Pre-Workout if
- Evidence-based formulas
- Focus-oriented users
- Quality-control conscious
Skip it if
- Caffeine-sensitive
- Budget shoppers

