C4 Ultimate Shred Pre-Workout
vs Maximus Stim Pre Workout
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
C4 Ultimate Shred Pre-Workout's formula has 300mg Caffeine Yield and 10mg Theacrine, which contribute to a higher energy score.
Maximus Stim Pre Workout's formula has 6g L-Citrulline and 1.5g Betaine Anhydrous, which contribute to a higher pump score.
C4 Ultimate Shred Pre-Workout's formula has 1g L-Tyrosine and 5mg Huperzine, which contribute to a higher focus score.
C4 Ultimate Shred 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
C4 Ultimate Shred vs Maximus Stim — dosing per serving
| Ingredient | Objective | C4 Ultimate Shred | Maximus Stim |
|---|---|---|---|
| Caffeine Yield | Energy | 300mg | 305mg |
| Theacrine | Energy | 10mg | 63mg |
| Alpha Yohimbine | Energy | 1mg | — |
| L-Citrulline | Pump | 3g | 6g |
| Betaine Anhydrous | Pump | 1.3g | 1.5g |
| Taurine | Pump | — | 1g |
| Agmatine | Pump | — | 500mg |
| Sodium | Pump | — | 250mg |
| L-Tyrosine | Focus | 1g | 1g |
| Alpha-GPC | Focus | — | 300mg |
| Huperzine | Focus | 5mg | 100mcg |
| Beta-Alanine | - | 3.2g | 3.2g |
| L-Arginine | - | 3g | — |
| L-Carnitine L-Tartrate | - | — | 1g |
| PeakO2 | - | — | 1g |
| MitoBurn | - | 250mg | — |
| PeptiPump® Bioactive Lentil Peptides | - | 200mg | — |
| EndoFlo | - | — | 200mg |
| ElevATP | - | — | 150mg |
| Methyliberine | - | — | 125mg |
| Oligonol® lychee fruit extract and Green Tea leaf extract | - | 100mg | — |
| Dynamine | - | 50mg | — |
| Grains of Paradise Extract | - | 40mg | — |
| Cayenne fruit extract | - | 20mg | — |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose C4 Ultimate Shred If…
- ✓You respond well to alpha-yohimbine
- ✓You want sustained energy without extreme stimulation
- ✓You want some pump support without it dominating the formula
Choose Maximus Stim If…
- ✓You want a high energy formula without exotic stimulants
- ✓Mind-muscle connection is as important to you as raw energy
- ✓Pump and vascularity are a priority in your training
Frequently Asked Questions
Common questions about these two pre-workouts
They're tied — both have 303mg total caffeine per serving.
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.