Assassin Pre Workout
vs Dark Labs Crack OG Pre Workout
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
Assassin Pre Workout's formula has 10g L-Citrulline and 5g Betaine Anhydrous, which contribute to a higher pump score.
Assassin Pre Workout's formula has 5g L-Tyrosine and 1g Alpha-GPC, which contribute to a higher focus score.
Assassin Pre Workout and Dark Labs Crack OG Pre Workout deliver similar performance per dollar — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
Assassin vs Dark Labs Crack OG — dosing per serving
| Ingredient | Objective | Assassin | Dark Labs Crack OG |
|---|---|---|---|
| Eria Jarensis | Energy | 600mg | 400mg |
| Theobromine | Energy | 600mg | — |
| Caffeine Yield | Energy | 600mg | 550mg |
| Alpha Yohimbine | Energy | 3mg | 2mg |
| L-Citrulline | Pump | 10g | 8g |
| Betaine Anhydrous | Pump | 5g | — |
| Agmatine | Pump | — | 1.5g |
| Sodium | Pump | 200mg | — |
| AstraGin | Pump | 50mg | — |
| L-Tyrosine | Focus | 5g | — |
| Alpha-GPC | Focus | 1g | — |
| Huperzine | Focus | 400mcg | — |
| Beta-Alanine | - | 6.4g | 3.2g |
| L-Arginine HCI | - | — | 1g |
| Beta PEA | - | 750mg | — |
| L-Norvaline | - | — | 250mg |
| CognatiQ | - | 150mg | — |
| Synephrine HCl | - | 120mg | — |
| Halostachine | - | — | 70mg |
| Vincamine | - | 20mg | — |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose Assassin If…
- ✓You want sharp mental focus that lasts through the full session
- ✓Mind-muscle connection is as important to you as raw energy
Choose Dark Labs Crack OG If…
- No strong differentiators for this product in this comparison.
Frequently Asked Questions
Common questions about these two pre-workouts
Assassin Pre Workout has 600mg total caffeine per serving compared to 550mg in Dark Labs Crack OG 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.