PUMP / BLOOD FLOW
L-Citrulline
L-Citrulline is commonly used in pre-workout formulas for nitric oxide support, blood flow, and training performance applications.
Training stacks built to support energy, pump, hydration, and performance.
INGREDIENT RESEARCH
INTELLEKT is built around transparent dosing, evidence-informed ingredients, and formulas that make sense on the label. This page collects research references for the key ingredients used across our performance, pump, focus, hydration, and high-stim products.
HOW TO USE THIS PAGE
This page is not here to bury you in study links. It is here to show the thinking behind the ingredients we use and why transparent labels matter. A study-backed ingredient only means something when the dose is clearly disclosed.
No proprietary blends. No hiding doses behind “matrix” names. Every active ingredient is clear.
Each ingredient supports a specific role: energy, focus, performance, hydration, pump, endurance, or recovery.
We prioritize ingredients with meaningful sports nutrition research and practical use in real training.
REFERENCE LIBRARY
Nitric oxide, vasodilation, and circulation to support training pumps.
PUMP / BLOOD FLOW
L-Citrulline is commonly used in pre-workout formulas for nitric oxide support, blood flow, and training performance applications.
PUMP / BLOOD FLOW
BrandedNitrosigine® (inositol-stabilized arginine silicate) is a patented ingredient studied for raising arginine and nitric oxide levels to support blood flow and mental focus around training.
PUMP / BLOOD FLOW
BrandedVasoDrive-AP® delivers the milk-derived lactotripeptides IPP and VPP, studied for vascular support, arterial elasticity, and blood flow through an effect on the ACE pathway.
Alertness, drive, and output — from fast-acting to longer-lasting.
ENERGY / FOCUS
Caffeine is widely researched for energy, alertness, focus, and exercise performance. Individual tolerance varies, so stimulant products should be used responsibly.
ENERGY / MOOD
Theobromine is a longer-acting methylxanthine found in cocoa, studied for mood, cardiovascular effects, and a smoother, more sustained energy profile alongside caffeine.
Choline sources and cognitive support for focus under load.
FOCUS / COGNITION
L-Tyrosine is commonly included in performance formulas for focus and cognitive support, especially in demanding training or high-stress environments.
FOCUS / COGNITION
BrandedCognizin® is a patented form of citicoline (CDP-choline) studied in healthy adults for attention, focus, and memory-related cognitive performance.
FOCUS / POWER
Alpha-GPC (alpha-glycerylphosphorylcholine) is a highly bioavailable choline source studied for power and force production as well as cognitive support around training.
FOCUS / COGNITION
Huperzine A is studied as an acetylcholinesterase inhibitor, a mechanism that helps sustain acetylcholine levels. It is often paired with choline sources to extend focus.
The core performance ingredients behind output and work capacity.
STRENGTH / POWER
Creatine monohydrate is one of the most researched sports nutrition ingredients and is commonly used to support high-intensity performance, strength, and power output.
ENDURANCE / PERFORMANCE
Beta-Alanine is commonly used to support muscular endurance and high-intensity exercise performance through its role in carnosine levels.
POWER / OUTPUT
Betaine is commonly used in performance formulas for strength, power, hydration-related osmolyte support, and training output applications.
PERFORMANCE / HYDRATION
Taurine is commonly used in sports nutrition formulas for endurance, hydration-related support, and overall performance applications.
RECOVERY / LEAN MASS
HMB (beta-hydroxy-beta-methylbutyrate) is a leucine metabolite studied for supporting muscle recovery, reducing exercise-induced muscle breakdown, and preserving lean mass.
Foundational cofactors for energy metabolism, muscle, and recovery.
RECOVERY / IMMUNE
Vitamin C is a water-soluble antioxidant studied for its role in oxidative stress, exercise recovery, and normal immune function.
MUSCLE / PERFORMANCE
Vitamin D3 (cholecalciferol) supports muscle function and bone health. Research in athletes links adequate vitamin D status to strength and performance.
ENERGY METABOLISM
Vitamin B6 (pyridoxine) is a cofactor in energy metabolism, amino acid metabolism, and the synthesis of neurotransmitters that support normal function.
ENERGY / RED BLOOD CELLS
Vitamin B12 (cobalamin) supports normal energy metabolism, red blood cell formation, and nervous system function.
Electrolytes and fluid balance for sweat-heavy training.
HYDRATION
Sodium, potassium, magnesium, and other electrolytes help support hydration, fluid balance, and performance during sweat-heavy training.
PRODUCT CONNECTION
Daily pre-workout positioning built around energy, focus, pumps, and performance support.
View BASEHigh-stim pre-workout positioning built for harder training sessions and stronger energy output.
View HYPRStim-free pre-workout positioning built around pump, blood flow, endurance, and caffeine-free performance.
View PUMPDHydration formula positioning built around electrolytes, creatine, and daily hydration support.
View HYDR8Ultra high-stim pre-workout for experienced stimulant users only. Not a beginner recommendation.
View KINGNEED HELP CHOOSING?
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