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Activate Pre Workout
vs C4 Ultimate Shred Pre-Workout

Ingredient & Score Comparison

Last updated: Feb 2026

Activate Pre Workout
Relentless Labz
Activate Pre Workout
30 servings · $1.33/srv · 425mg caff/srv
View Product
VS
C4 Ultimate Shred Pre-Workout
Cellucor
C4 Ultimate Shred Pre-Workout
20 servings · $2.00/srv · 300mg caff/srv
View Product

PwrRanks Verdict

Best EnergyToss-up
Contains Alpha YohimbineContains Eria Jarensis
Best PumpToss-up
Best FocusToss-up
Contains HuperzineContains Noopept
Best ValueActivate Pre Workout
Well Below Market PriceAbove Market Formula
Bottom line: Activate Pre Workout is the stronger overall pick — better value per serving. Choose C4 Ultimate Shred Pre-Workout if you're stim-sensitive or train later in the day.

Score Comparison

Objective scores based on ingredient dosing — 0 to 1 scale

EnergyToss-up
Activate
0.66C4 Ultimate Shred
0.63
💪 PumpToss-up
Activate
0.42C4 Ultimate Shred
0.39
🧠 FocusToss-up
Activate
0.69C4 Ultimate Shred
0.65
💰 ValueActivate Wins
Activate
0.78C4 Ultimate Shred
0.58

Activate Pre Workout delivers more performance per dollar than C4 Ultimate Shred Pre-Workout — based on how both products compare to the broader pre-workout market.

Ingredient Comparison

Activate vs C4 Ultimate Shred — dosing per serving

IngredientObjectiveActivateC4 Ultimate Shred
Caffeine YieldEnergy425mg300mg
Eria JarensisEnergy150mg
TheacrineEnergy10mg
Alpha YohimbineEnergy1mg
L-CitrullinePump6g3g
Betaine AnhydrousPump1.3g
L-TyrosineFocus1g1g
Lion's Mane ExtractFocus400mg
NoopeptFocus10mg
HuperzineFocus50mcg5mg
Beta-Alanine-3.2g3.2g
L-Arginine-3g
MitoBurn-250mg
PeptiPump® Bioactive Lentil Peptides-200mg
Oligonol® lychee fruit extract and Green Tea leaf extract-100mg
Synephrine HCl-50mg
N-Methyl Tyramine HCl-50mg
Higenamine-50mg
Dynamine-50mg
Grains of Paradise Extract-40mg
Cayenne fruit extract-20mg

Who Should Buy Each

Matching products to training goals and stim tolerance

Choose Activate 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 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

Frequently Asked Questions

Common questions about these two pre-workouts

Activate Pre Workout has 425mg total caffeine per serving compared to 300mg in C4 Ultimate Shred 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.