IR8 Pre Workout
vs Rhino Rampage Pre Workout
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
IR8 Pre Workout's formula has 2.3g L-Citrulline and 2.3g L-Citrulline Malate, which contribute to a higher pump score.
Rhino Rampage Pre Workout delivers more performance per dollar than IR8 Pre Workout — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
IR8 vs Rhino Rampage — dosing per serving
| Ingredient | Objective | IR8 | Rhino Rampage |
|---|---|---|---|
| Caffeine Yield | Energy | 306mg | 450mg |
| DMAA | Energy | 80mg | — |
| DMHA | Energy | 50mg | — |
| Yohimbine HCl | Energy | 2mg | — |
| L-Citrulline | Pump | 2.3g | 2g |
| L-Citrulline Malate | Pump | 2.3g | — |
| Agmatine | Pump | 500mg | — |
| Beta-Alanine | - | 3g | 2.5g |
| Creatine HCl | - | 1g | — |
| Rampage Jungle Energy Matrix | - | — | 440mg |
| Epicatechin | - | 100mg | — |
| L-Norvaline | - | — | 50mg |
| AmentoPump | - | — | 50mg |
| Higenamine | - | 45mg | — |
| Kanna | - | — | 25mg |
| Synephrine HCl | - | 20mg | — |
| Hordenine | - | 20mg | — |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose IR8 If…
- ✓You want a powerful pre-workout and are comfortable using it 2–3 times per week max
- ✓You want maximum intensity and train in the morning
Choose Rhino Rampage If…
- ✓You want a high energy formula without exotic stimulants
Frequently Asked Questions
Common questions about these two pre-workouts
Rhino Rampage Pre Workout has 450mg total caffeine per serving compared to 306mg in IR8 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.