Stim Crazy Pre-Workout 5150 is formulated to deliver intense energy, laser focus, and peak performance when you need it most. Designed for serious training sessions, this high-stimulant blend helps power through fatigue, enhance endurance, and maximize every rep.

Extreme energy. Intense focus. Explosive performance. When your workout demands more, K-OTIC delivers. This advanced pre-workout formula from EFX Sports is designed to support energy, focus, pumps, and endurance—so you can train harder and push past limits.

• Supports energy, focus, and pump
• Formulated with all-natural sweeteners and zero fillers
• Nitro Pop flavor

Get your mind and body dialed in with JOCKO Pre-Workout. This high-stim formula supports explosive energy, cognitive sharpness, and muscle pumps with fully-dosed, clinically studied ingredients—including 200mg caffeine, 3.2g beta-alanine, 6g l-citrulline, and 2.5g betaine anhydrous.

Frequently Asked Questions

What is beta-alanine? 

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

What is l-citrulline?

L-citrulline is an amino acid involved in nitric oxide production, which increases blood flow to working muscles.

What is betaine anhydrous? 

Betaine is a naturally occurring amino acid-like compound that supports exercise performance and endurance. “Anhydrous” refers to a substance that doesn’t have any water.

• 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.