M2 Pre-Workout
vs Transparent Labs Lean Pre Workout
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
M2 Pre-Workout's formula has 250mg Eria Jarensis and 175mg Caffeine Yield, which contribute to a higher energy score.
M2 Pre-Workout's formula has 1.5g L-Tyrosine, which contributes to a higher focus score.
M2 Pre-Workout and Transparent Labs Lean Pre Workout deliver similar performance per dollar — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
M2 vs Transparent Labs Lean — dosing per serving
| Ingredient | Objective | M2 | Transparent Labs Lean |
|---|---|---|---|
| Eria Jarensis | Energy | 250mg | — |
| Caffeine Yield | Energy | 175mg | 130mg |
| DMHA | Energy | 100mg | — |
| Theobromine | Energy | — | 50mg |
| Alpha Yohimbine | Energy | 3mg | — |
| L-Citrulline Malate | Pump | 6g | 6g |
| Taurine | Pump | 2g | — |
| Betaine Anhydrous | Pump | — | 1.5g |
| L-Tyrosine | Focus | 1.5g | — |
| Acetyl L-Carnitine HCl | Focus | — | 1g |
| L-Theanine | Focus | — | 180mg |
| Huperzine | Focus | — | 100mcg |
| Beta-Alanine | - | 4g | 2g |
| Choline Bitartrate | - | 500mg | 500mg |
| L-Norvaline | - | 200mg | — |
| Synephrine HCl | - | 50mg | — |
| Black Pepper Extract | - | — | 5mg |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose M2 If…
- ✓You want a powerful pre-workout and are comfortable using it 2–3 times per week max
- ✓You want euphoric, mood-elevating formula
- ✓You respond well to alpha-yohimbine
- ✓You want sustained energy without extreme stimulation
Choose Transparent Labs Lean If…
- ✓You want sharp mental focus that lasts through the full session
- ✓You want the edge taken off stimulant intensity — focused without feeling wired
- ✓You're looking for a pump-dominant formula
Frequently Asked Questions
Common questions about these two pre-workouts
M2 Pre-Workout has 175mg total caffeine per serving compared to 130mg in Transparent Labs Lean 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.