Mr. White Yayo Pre Workout
vs Stim Thugga Pre Workout
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
Mr. White Yayo Pre Workout's formula has 2g L-Tyrosine and 750mg DMAE, which contribute to a higher focus score.
Mr. White Yayo Pre Workout and Stim Thugga Pre Workout deliver similar performance per dollar — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
Mr. White Yayo vs Stim Thugga — dosing per serving
| Ingredient | Objective | Mr. White Yayo | Stim Thugga |
|---|---|---|---|
| Caffeine Yield | Energy | 400mg | 438mg |
| Theobromine | Energy | 400mg | 200mg |
| DMHA (Plant-Claimed) | Energy | 300mg | — |
| Eria Jarensis | Energy | 150mg | 300mg |
| Alpha Yohimbine | Energy | 3mg | 2mg |
| L-Citrulline | Pump | 6g | 6g |
| Taurine | Pump | 2g | — |
| Agmatine | Pump | — | 1g |
| Sodium | Pump | — | 500mg |
| AstraGin | Pump | — | 50mg |
| L-Tyrosine | Focus | 2g | — |
| DMAE | Focus | 750mg | — |
| Beta-Alanine | - | 4g | 4g |
| Choline Bitartrate | - | — | 800mg |
| Beta PEA | - | 350mg | 400mg |
| Synephrine HCl | - | 80mg | 50mg |
| Gamma-Aminobutyric Acid | - | 25mg | — |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose Mr. White Yayo If…
- ✓You want a powerful pre-workout and are comfortable using it 2–3 times per week max
Choose Stim Thugga If…
- No strong differentiators for this product in this comparison.
Frequently Asked Questions
Common questions about these two pre-workouts
Stim Thugga Pre Workout has 438mg total caffeine per serving compared to 400mg in Mr. White Yayo 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.