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

Do you remember your first time? The intensity? The euphoria? We remember our first time taking pre-workout, too. And recapturing that UNSTOPPABLE feeling is what MOTHERBUCKER is all about! Beta-Alanine: You know that tingle. 6.4 grams is just the right amount to prime your pump. Nitrosigine: Clinically shown to increase circulation to your brain, promoting cognitive function. Caffeine: 300mg Caffeine Anhydrous + 100mg Extended Release Caffeine = 400mg of pure energy. L-Tyrosine: Increases dopamine production, so your always stoked in the gym. Alpha GPC: Promotes the mind-to-muscle connection, helping you get (and stay) in sync. Senactiv: Can help you increase VO2 Max and boost athletic performance. Huperzine A: This incredibly beneficial nootropic can help improve memory recall & stimulate laser-like focus. Rauwolscine: Derived straight from Devil's Peppers, this powerful vasodilator will help give you the gnarly pump you dream of.

Triple-Action Formula: Pump H2O combines patented (US Patent 12,029,762) buffered compounds with pharmaceutical-grade glycerol for skin-splitting pumps and maximum muscle volumization in one serving. Want skin-splitting pumps that'll make your muscles look like they're about to burst through your skin? Meet PUMP H2O—the muscle volumizer about to flood your workout with next-level gains. This isn't your average pre-workout drink. We're talking about a crystal-clear formula engineered for one thing: maximum pump. Each serving loads you up with 10 grams of pure vegetable glycerol, plus our patented TauriZorb and GlyciLyn technology that'll make your muscles swell up like a hurricane just hit your gym. Why you need this in your gym bag: Instant Visual Impact: Watch your muscles expand during your workout. Skin-Tight Sensation: Feel that stretch with every rep. Ridiculous Vascularity: Veins popping like roadmaps Clean Formula: No jitters, no crash, just pure pump. The science of swole: That massive 10g glycerol dose drives nutrients and water straight into your muscle cells. Combined with our buffered taurine and glycine compounds, you're looking at a triple threat that forces your muscles to expand and hold that fullness through your entire training session. Forget choking down chalky, bitter pre-workouts. PUMP H2O hits differently with a crystal-clear Fruit Blast formula that'll have you looking forward to your pre-workout ritual. No gritty texture, no nasty aftertaste—just smooth, refreshing gains in every sip.

• 1g tyrosine, 400mg caffeine, and 300mg alpha GPC for energy and focus
• 3.2g beta-alanine and 2.5g betaine for athletic performance
• 10g citrulline for nitric oxide production
• 2g taurine and 1g sea salt for hydration
• Gluten free and contains zero synthetic flavors or colors
• Fruit Punch flavor

Solid Pre from BodyTech^® is the essential pre-workout, built to optimize energy, focus, athletic performance, and nitric oxide production. It’s formulated with full, clinically researched doses of time-tested ingredients—including citrulline, beta-alanine, betaine, and alpha GPC—to deliver support you can trust every rep of the way.

This versatile pre-workout features customized dosing options for everyday athletes (1 scoop) and hardcore, high-intensity training (2 scoops).

Frequently Asked Questions

What is citrulline?

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

Why is nitric oxide important?

Nitric oxide plays a key role in exercise endurance because it’s a vasodilator. A vasodilator is a substance that supports the dilation of blood vessels for increased blood flow.

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, endurance, and cellular hydration.

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.