Gainful Caffeine Free Pre‑Workout
vs Ghost® Size Pre-Workout
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
Ghost® Size Pre-Workout delivers more performance per dollar than Gainful Caffeine Free Pre‑Workout — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
Gainful Caffeine Free Pre‑Workout vs Ghost® Size — dosing per serving
| Ingredient | Objective | Gainful Caffeine Free Pre‑Workout | Ghost® Size |
|---|---|---|---|
| L-Citrulline Malate | Pump | 4g | — |
| Betaine Nitrate | Pump | — | 1.9g |
| Betaine Anhydrous | Pump | — | 1.3g |
| AstraGin | Pump | — | 50mg |
| Sodium | Pump | 15mg | — |
| Creatine Monohydrate | - | 3g | 5g |
| Beta-Alanine | - | 1.5g | — |
| Leucine | - | 1g | — |
| Isoleucine | - | 500mg | — |
| Valine | - | 500mg | — |
| Peak ATP | - | — | 400mg |
| Epicatechin | - | — | 200mg |
| Senactiv | - | — | 50mg |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose Gainful Caffeine Free Pre‑Workout If…
- No strong differentiators for this product in this comparison.
Choose Ghost® Size If…
- ✓You care more about energy and focus than pump
- ✓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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Closest alternative to Ghost® Size
Amplify 2.0 Pump vs Ghost® Size
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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.