Outwork Caffeine-Free Pre-Workout
vs P.I.M.P. Pump
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
Outwork Caffeine-Free Pre-Workout delivers more performance per dollar than P.I.M.P. Pump — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
Outwork Caffeine-Free vs P.I.M.P. Pump — dosing per serving
| Ingredient | Objective | Outwork Caffeine-Free | P.I.M.P. Pump |
|---|---|---|---|
| L-Citrulline | Pump | 6g | 10g |
| Taurine | Pump | 4g | — |
| Arginine Silicate | Pump | — | 1.5g |
| Agmatine | Pump | — | 1g |
| Casein Hydrolysate | Pump | — | 504mg |
| Sodium | Pump | — | 500mg |
| AstraGin | Pump | — | 50mg |
| Rhodiola Extract | Focus | 300mg | — |
| Beta-Alanine | - | 3.2g | — |
| 3D Pump - Breakthrough (L-Citrulline, Glycerol, Amla extract) | - | — | 2.5g |
| Malic Acid | - | 1g | — |
| L-Norvaline | - | — | 300mg |
| Calcium | - | 175mg | — |
| Potassium | - | — | 60mg |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose Outwork Caffeine-Free If…
- No strong differentiators for this product in this comparison.
Choose P.I.M.P. Pump If…
- ✓You enjoy hydration-based pump ingredients that give a swollen and full look during training
- ✓You do not like the Beta-Alanine tingles
Frequently Asked Questions
Common questions about these two pre-workouts
Both are low-stim or stimulant-free (0mcg or less per serving).
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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.