Exclusive

• High-stim formula
• Supports strength, muscle pump, stamina, focus, and energy
• Informed Choice certified
• Free of GMOs, gluten, and artificial colors, sweeteners, or flavors
• Pineapple Mango flavor

Bulk Black from Transparent Labs is made for stim lovers. This clinically dosed pre-workout delivers extra “pep” with more than 17 grams of proven nitric oxide boosters, hard-hitting nootropics, natural testosterone-supporting ingredients, and muscle fortifiers—including l-citrulline malate, beta-alanine, betaine anhydrous, and sustained-release caffeine.

Frequently Asked Questions

What is nitric oxide?

Nitric oxide is a vasodilator that promotes blood circulation.

What are nootropics? 

Nootropics are substances that bolster cognitive function by altering levels of certain neurotransmitters, enzymes, or hormones in the brain. 

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.

Transparent Labs Grass-Fed Beef ISO delivers ultra-clean, highly bioavailable protein sourced from 100% grass-fed beef—crafted for athletes and health-conscious individuals who demand quality without fillers. Each serving packs a powerful dose of protein to support lean muscle growth, recovery, and performance. It’s the perfect alternative to traditional whey for those seeking a cleaner, easier-to-digest protein source.

Supports muscle endurance and strength. 5g of creatine and 1.5g of HMB per serving. Informed Choice certified. Creatine HMB from Transparent Labs harnesses the synergy of creatine monohydrate with HMB to support optimal muscle growth and athletic performance. This evidence based formula also promotes enhanced absorption and recovery with 5mg of BioPerine and 12.5mcg of vitamin D. Frequently Asked Questions: What is HMB? Beta-hydroxy-beta-methylbutyrate(HMB) is an active anabolic metabolite of leucine that helps reduce muscle damage and muscle protein breakdown. What is BioPerine? BioPerine is a black pepper extract that supports the absorption of nutrients.

Clean Hydration. Zero Sugar. Zero Artificial Sweeteners. Fuel your performance and recovery with a clinically-dosed electrolyte formula designed to keep you hydrated without the junk. Transparent Labs Hydrate delivers essential minerals your body loses through sweat — without sugar, artificial colors, or artificial sweeteners.