All Heist supplements are completely transparent. Not only do we list every single active ingredient, we encourage education and research into how they work. It's our belief that everyone should know what's going into their body! 


We stay far away from proprietary blends and useless fillers. Our goal is to provide products that have as much scientific backing as possible without all the fluff.

CAFFEINE

Caffeine

Heist Pre-workout contains 220 mg per serving 


Caffeine is near the top of the list when it comes to the best performance boosters is sports science. It is shown to increase focus, endurance, and even aid in burning fat more efficiently. Many pre-workouts on the market have extremely high amounts of caffeine, between 300-500 mg, and rely upon the user feeling an instant jolt of energy. These high amounts can have unintended side effects and usually result in the user feeling "sick to their stomach" or "crash" after their workout. Heist provides a moderate amount of caffeine that still allows for other caffeine intake throughout the day if desired. 


The FDA and Mayo Clinic state that healthy adults should consume no more than 400 mg per day. (5)



Supporting evidence & further reading:

(1) - (2) - (3) - (4)

CITRULLINE MALATE 2:1

Muscular woman focusing

Heist Pre-workout contains 6 g per serving


Citrulline is converted by the kidneys into arganine. Arganine then works in the body to generate nitric oxide, which leads to vasodialation, or the widening of blood vessels. Malate, or malic acid, works to increase aerobic and anaerobic energy production. 



Supporting evidence & further reading:

(1) - (2) - (3)

BETA-ALANINE

Man doing box jumps

Heist Pre-workout contains 3.2 g per serving


Beta alanine is a amino acid that the body converts to carnosine. This compound works to provide you with added endurance and decreases fatigue during intense physical activity.



Supporting evidence & further reading:

(1) - (2) - (3) - (4)

CREATINE HCL

Man sprinting

Heist Pre-workout contains 2 g per serving


Creatine is one of the most studied healthcare supplement available. It works in the body to recycle ATP, which is the energy currency cells use. Creatine works specifically to increase ATP in the brain and muscular tissues. Creatine HCL mixes easier in liquid and is consequently thought to improve absorption in the body.



Supporting evidence & further reading:

(1) - (2) - (3)

L-THEANINE

Tea leaves

Heist Pre-workout contains 220 mg per serving


L-Theanine works with caffeine in a synergistic way to prevent the spike and crash. It is also known as a nootropic and helps increase focus and boosts cognitive performance. 



Supporting evidence & further reading:

(1) - (2) - (3)

BETAINE

Man squatting large weights

Heist Pre-workout contains 2 g per serving


Betaine is powerful. It is a naturally occurring amino acid that is found in high amounts in beets. In multiple studies it has shown to improve body composition, muscle size, and work capacity. It has also shown to improve overall power output.



Supporting evidence & further reading:

(1) - (2) - (3)

TYROSINE

Rocks stacked on water

Heist Pre-workout contains 1.25 g per serving


Tyrosine is thought to increase levels of the neurotransmitters dopamine, adrenaline and norepinephrine and supports the mind and body in high stress situations.



Supporting evidence & further reading:

(1) - (2)

TAURINE

Group of men beginning race

Heist Pre-workout contains 1 g per serving


Taurine can decrease the likelihood of cramping by helping cells retain potassium and magnesium. It has also been known to increase overall athletic performance.



Supporting evidence & further reading:

(1) - (2)

BLACK PEPPER EXTRACT

Pile of black pepper

Heist Pre-workout contains 5 mg per serving


The addition of black pepper works as an absorption enhancer. When included in a supplement, black pepper increases the amount of nutrients that are absorbed into the body.



Supporting evidence & further reading:

(1) - (2)

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