Maximus Stim Pre Workout
vs Transparent Labs Bulk Black Pre Workout
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
Transparent Labs Bulk Black Pre Workout delivers more performance per dollar than Maximus Stim Pre Workout — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
Maximus Stim vs Transparent Labs Bulk Black — dosing per serving
| Ingredient | Objective | Maximus Stim | Transparent Labs Bulk Black |
|---|---|---|---|
| Caffeine Yield | Energy | 305mg | 331mg |
| Theobromine | Energy | — | 100mg |
| Theacrine | Energy | 63mg | — |
| L-Citrulline Malate | Pump | — | 8g |
| L-Citrulline | Pump | 6g | — |
| Betaine Anhydrous | Pump | 1.5g | 2.5g |
| Taurine | Pump | 1g | 1.3g |
| Agmatine | Pump | 500mg | — |
| Sodium | Pump | 250mg | 180mg |
| L-Tyrosine | Focus | 1g | 1g |
| Alpha-GPC | Focus | 300mg | 300mg |
| L-Theanine | Focus | — | 200mg |
| Huperzine | Focus | 100mcg | — |
| Beta-Alanine | - | 3.2g | 4g |
| L-Carnitine L-Tartrate | - | 1g | — |
| PeakO2 | - | 1g | — |
| EndoFlo | - | 200mg | — |
| ElevATP | - | 150mg | — |
| Methyliberine | - | 125mg | — |
| Senactiv | - | — | 50mg |
| Black Pepper Extract | - | — | 5mg |
| Boron | - | — | 3mg |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose Maximus Stim If…
- ✓You want sharp mental focus that lasts through the full session
Choose Transparent Labs Bulk Black If…
- ✓You want the edge taken off stimulant intensity — focused without feeling wired
Frequently Asked Questions
Common questions about these two pre-workouts
Transparent Labs Bulk Black Pre Workout has 331mg total caffeine per serving compared to 305mg in Maximus Stim Pre Workout.
More Comparisons
How PwrRanks Scores Pre-Workouts
Our methodology
PwrRanks scores every pre-workout by analyzing its ingredient label algorithmically. We generate four objective scores — Energy, Pump, Focus, and Value — that reflect what's in the tub, not how the product is marketed. Value scores are calculated using live pricing data to reflect real cost-per-serving at time of comparison.