Inhuman Mentis Pre Workout
vs Smash AMF Pre Workout (OG)
Ingredient & Score Comparison
Last updated: Feb 2026
PwrRanks Verdict
Score Comparison
Objective scores based on ingredient dosing — 0 to 1 scale
Smash AMF Pre Workout (OG)'s formula has 350mg Caffeine Yield and 3mg Yohimbine HCl, which contribute to a higher energy score.
Inhuman Mentis Pre Workout's formula has 6g L-Citrulline and 2.5g Betaine Anhydrous, which contribute to a higher pump score.
Smash AMF Pre Workout (OG) delivers more performance per dollar than Inhuman Mentis Pre Workout — based on how both products compare to the broader pre-workout market.
Ingredient Comparison
Inhuman Mentis vs Smash AMF Pre Workout (OG) — dosing per serving
| Ingredient | Objective | Inhuman Mentis | Smash AMF Pre Workout (OG) |
|---|---|---|---|
| Caffeine Yield | Energy | 350mg | 350mg |
| Yohimbine HCl | Energy | — | 3mg |
| L-Citrulline | Pump | 6g | 4g |
| Betaine Anhydrous | Pump | 2.5g | — |
| Taurine | Pump | — | 500mg |
| Sodium | Pump | 100mg | — |
| L-Tyrosine | Focus | — | 500mg |
| Acetyl L-Carnitine HCl | Focus | — | 500mg |
| Alpha-GPC | Focus | 300mg | — |
| L-Theanine | Focus | 200mg | 20mg |
| Huperzine | Focus | 200mcg | — |
| Beta-Alanine | - | 3.2g | 1.5g |
| Cluster Dextrin | - | 1g | — |
| Creatine HCl | - | — | 1g |
| Potassium | - | 100mg | — |
| Synephrine HCl | - | — | 50mg |
| Green Tea 98% | - | — | 50mg |
| Grape Seed Extract | - | — | 20mg |
| Black Pepper Extract | - | 5mg | 10mg |
| Vitamin B6 | - | 5mg | — |
| N-Methyltyramine HCL | - | — | 5mg |
| Naringenin | - | — | 5mg |
| Vitamin D3 | - | 130mcg | — |
| Vitamin B12 | - | 100mcg | — |
Who Should Buy Each
Matching products to training goals and stim tolerance
Choose Inhuman Mentis If…
- ✓You want sharp mental focus that lasts through the full session
- ✓Mind-muscle connection is as important to you as raw energy
- ✓You want the edge taken off stimulant intensity — focused without feeling wired
- ✓Pump and vascularity are a priority in your training
Choose Smash AMF Pre Workout (OG) If…
- ✓You want some pump support without it dominating the formula
Frequently Asked Questions
Common questions about these two pre-workouts
They're tied — both have 350mg total caffeine per serving.
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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.