Activate Stealth LTD Pre Workout
vs C4 AlphaBomb Pre-Workout
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
Activate Stealth LTD Pre Workout delivers more performance per dollar than C4 AlphaBomb Pre-Workout — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
Activate Stealth LTD vs C4 AlphaBomb — dosing per serving
| Ingredient | Objective | Activate Stealth LTD | C4 AlphaBomb |
|---|---|---|---|
| Caffeine Yield | Energy | 425mg | 336mg |
| Eria Jarensis | Energy | 150mg | — |
| Alpha Yohimbine | Energy | — | 2mg |
| L-Citrulline | Pump | 6g | 4g |
| Betaine Anhydrous | Pump | — | 1g |
| L-Tyrosine | Focus | 1g | — |
| Lion's Mane Extract | Focus | 400mg | — |
| Huperzine | Focus | 500mcg | 15mg |
| Noopept | Focus | 10mg | — |
| Beta-Alanine | - | 3.2g | 8g |
| L-Arginine | - | — | 4g |
| PeptiPump Bioactive Lentil Peptides | - | — | 200mg |
| Synephrine HCl | - | 50mg | — |
| N-Methyl Tyramine HCl | - | 50mg | — |
| Higenamine | - | 50mg | — |
| Black Pepper Extract | - | 3mg | — |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose Activate Stealth LTD If…
- ✓You want euphoric, mood-elevating formula
- ✓You want nootropic-grade cognitive enhancement alongside your training
- ✓You want maximum intensity and train in the morning
- ✓Pump and vascularity are a priority in your training
Choose C4 AlphaBomb If…
- ✓You respond well to alpha-yohimbine
- ✓You want a high energy formula without exotic stimulants
- ✓You want some pump support without it dominating the formula
Frequently Asked Questions
Common questions about these two pre-workouts
Activate Stealth LTD Pre Workout has 425mg total caffeine per serving compared to 336mg in C4 AlphaBomb 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.