• 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. 

• Supports power, strength, and energy
• Formulated by 5x Mr. Olympia Chris Bumstead
• Tastes Like Winning flavor

Channel your inner Thavage with Christopher’s Secret Stuff. Built to support power, strength, and energy, this formula features trusted ingredients like l-citrulline, betaine, l-tyrosine, Alpha GPC, and Huperzine A to support improved cellular hydration, enhanced focus, and optimized blood flow.

What’s the secret? We’ll never tell... But this cryptic twist on CBUM’s Thavage Pre-Workout is sure to send a rush of electrifying sweetness to your tastebuds.

Frequently Asked Questions

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? 

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

What is l-tyrosine?

L-tyrosine is a non-essential amino acid and precursor to epinephrine and dopamine. Epinephrine and dopamine contribute to alertness, energy, and mental focus.

What is Alpha GPC?

Alpha-glycerylphosphoryl choline (Alpha GPC) is a naturally occurring compound found in the brain and is known to support cognitive health.

What is Huperzine A? 

Huperzine A is a derivative of Chinese club moss. It’s believed to support memory and cognitive function. 

• Tri-stim energy experience
• Promotes explosive pumps
• Supports muscular endurance
• Formulated with AI-discovered peptides
• Hawaiian Punch^® Fruit Juicy Red flavor

Make your training hit harder than ever with C4 Ultimate. This cutting-edge pre-workout delivers the ultimate high-stim experience with TeaCrine^®, Dynamine™, and 300mg of caffeine, while promoting enhanced performance, hard-hitting pumps, and increased muscular endurance with ingredients like PeptiPump^® and CarnoSyn^®.

Frequently Asked Questions

What is TeaCrine?

TeaCrine is a patented compound that supports increased energy, mood, and focus when combined with caffeine.

What is Dynamine?

Dynamine is an alkaloid that complements caffeine to support increased energy.

What is PeptiPump?

PeptiPump is an AI-discovered designer peptide exclusively found in C4. It supports increased pump and training performance.

What is CarnoSyn?

CarnoSyn is a globally patented form of beta-alanine that is known to enhance muscular endurance.

Train harder and longer at any time of the day with PRE-KAGED Stimulant Free. This award-winning pre-workout delivers a never-before-seen combination of premium, patented ingredients, phytonutrients, and muscle-building compounds to deliver a clean and controlled training experience without putting you on edge. Featuring max dose ingredients and a massive 32g per serving, just one scoop does it all: increased muscle and strength, massive pumps, improved endurance, and more. It's refreshing, tastes absolutely amazing, and contains no artificial colours, flavors, dyes, or banned substances. Taken pre-workout, PRE-KAGED Stimulant Free will help you lift heavier, push longer, and crush workouts day or night. Build Muscle; Increase Strength. Trigger Rock Hard Muscle Pumps. Train Longer, Harder & Stronger. Perfect for Evening & Nighttime Training. No Artificial Colors, Flavors, Or Dyes. Third-Party Tested: Banned Substance Free.