• Supports enhanced blood flow, strength, endurance, focus, and energy production
• Informed Choice certified
• Free of GMOs, gluten, and artificial colors, sweeteners, or flavors
• Blue Raspberry flavor

Perform your best in the gym while supporting your weight-management goals with Lean Pre-Workout from Transparent Labs. This cutting pre-training formula promotes lean mass retention, fat metabolism, strength, stamina, pump, and energy production with clinically dosed ingredients—including l-citrulline malate, beta-alanine, betaine anhydrous, and natural caffeine.

Frequently Asked Questions

What is citrulline malate?

Citrulline malate is a precursor to nitric oxide, which increases blood flow to working muscles and promotes greater muscle pumps and heightened energy levels.

What is beta-alanine? 

Beta-alanine is the modified version of the amino acid alanine. The body converts beta-alanine into carnosine, which supports exercise performance and endurance. 

What is betaine? 

Betaine is a naturally occurring amino acid-like compound that supports exercise performance and endurance. 

Pump. Energy. Strength.

• Caffeine-free pre-workout
• Supports strength, stamina, pump, focus, and drive
• Informed Choice certified
• Non-GMO, gluten free, and contains zero artificial colors, sweeteners, or flavors
• Peach Mango flavor

STIM-FREE Pre-Workout from Transparent Labs is a caffeine-free formula designed to promote enhanced strength, stamina, pump, and focus—without jitters or sleep disruptions.

Each scoop delivers science-backed ingredients at clinically validated doses, including 8g of l-citrulline malate, 4g of beta-alanine, and 2.5g of betaine anhydrous.

Frequently Asked Questions

What is citrulline malate?

Citrulline malate is a precursor to nitric oxide, which increases blood flow to working muscles and promotes greater muscle pumps and heightened energy levels.

What is beta-alanine?

Beta-alanine is the modified version of the amino acid alanine. The body converts beta-alanine into carnosine, which supports exercise performance and endurance. 

What is betaine?

Betaine is a naturally occurring amino acid-like compound that supports exercise performance and endurance. 

Flip the switch before every session with RAW Essential Pre-Workout. Formulated to deliver clean, reliable energy without the crash, this essential blend helps sharpen focus, boost endurance, and power every rep with purpose. No unnecessary extras—just the ingredients you need to show up stronger and stay locked in from start to finish. When motivation isn’t enough, make it essential. RAW Essential Pre-Workout — energy that works as hard as you do.