NutraBio STIM-Free PRE Workout for Men
STIM-free pre-workout with focus, pumps, and endurance support. Includes energy & focus matrix features and dual choline sources for mental clarity, plus electrolytes for performance. Customers note steady energy and good pump quality with mixed taste reactions
Highlights
- laser focus during workouts
- extreme pumps and endurance
- 10g citrulline and beta-alanine
Pros
- focused energy matrix
- includes choline sources
- supports pumps and endurance
- no-stim option
Cons
- taste may be excessively sweet
- premium price perceived by some
- some report diarrhea
Best For
Features
- Provides a focused energy matrix including tyrosine with choline sources for sustained alertness
- Features Alpha GPC, Vincamine, and Velvet Bean Extract to support mood and focus
- Contains a 16g Pump Matrix per scoop for enhanced blood flow and vascular support
- Formulated with 10g L-Citrulline to promote nitric oxide production and pumps
- Includes nitrates, electrolytes, and nootropics suitable for both men and women
