SW Labs Stim Free Pre is a high-performance, stimulant-free pre-workout designed to enhance pumps, endurance, and focus without caffeine. Perfect for late-night training or those sensitive to stimulants, it delivers clean energy support through clinically studied ingredients that promote blood flow, hydration, and muscular performance. Train harder, longer, and more efficiently without the crash.

Key Features

• Stimulant-Free Formula - No caffeine, no jitters, no crash
• Enhanced Muscle Pumps - Supports nitric oxide production for better vascularity
• Improved Endurance - Helps delay fatigue during intense workouts
• Focus & Performance - Supports mind-muscle connection without overstimulation
• Anytime Use - Ideal for evening workouts or stacking with other supplements
• 50 Servings - Long-lasting supply for consistent performance

Key Ingredients

• Citrulline Malate - Citrulline converts into arginine, boosting nitric oxide  production leading to better blood flow. 
• Beta-Alanine - Combines with histidine to form carnosine, which buffers acid in muscles. Buffering lactic acid (the muscle burn during exercise) and enhancing endurance through the workout
• Taurine - Helps regulate fluid balance, electrolytes, and calcium signaling in muscle cells. Improves muscle contraction efficiency and reduce oxidative stress during exercise.
• L-Tyrosine - Precursor to dopamine, norepinephrine, and epinephrine. Promotes focus and mental clarity without stimulants
• Potassium Citrate - Maintains electrolyte balance, supports muscle contractions, and nerve signaling. 
• Magnesium Malate - Magnesium is involved in 300+ enzymatic reactions, including ATP production. Helps with muscle relaxation and recovery
• Himalayan Pink Salt - Provides sodium, critical for hydration and nerve impulses. Maintain fluid balance, supports muscle contraction and endurance

Brands may change ingredients, serving sizes, allergens, or other formulation aspects at any time. Always refer to your product label for the most up to date information.