Premium ingredients proven to improve brain function

We don’t think you should settle for questionable ingredients when it comes to brain enhancement. Every ingredient in X has strong scientific support, and we have sourced the highest quality version of each ingredient to deliver maximum impact.

Experience the X Difference

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Six Nootropic Stacks

Only X contains these six stacks of brain-enhancing ingredients.

Clinical studies support the effectiveness of all ingredients in each stack

(Some ingredients are in multiple stacks)

STACK #1

Focus and attention

ALPHASIZE® ALPHA-GPC
COGNIZIN® CHOLINE
BACOGNIZE® BACOPA MONNIERI
M Pruriens
L TYROSINE

STACK #2

Memory and learning

COGNATIQ® COFFEE FRUIT EXTRACT
SERINAID® PHOSPHATIDYLSERINE
ALPHASIZE® ALPHA GPC
BACOGNIZE® BACOPA MONNIERI
URIDINE

STACK #3

Cognition

KSM-66® ASHWAGANDHA
PUREQQ® PQQ
COGNIZIN® CHOLINE
THEOBROMINE

STACK #4

Energy and alertness

RHODIOLIFE® RHODIOLA ROSEA
PUREQQ® PQQ
L TYROSINE
ALANYL L GLUTAMINE

STACK #5

Motivation and drive

M Pruriens
L PHENYLALANINE
HUPERZIA SERRATA (HUPERZINE A)

STACK #6

Mood and stress

SUNTHEANINE® L THEANINE
KSM 66 ASHWAGANDHA
GINKGO BILOBA

5-star reviews

“I’ve tried all the others. Nothing compares to X.”

I’m a neuroscience geek, and I work hard to optimize every aspect of my life. I’ve tried literally every brain supplement, and X wins by a long shot.

"Found my purpose, thanks to X"

I feel more motivated and driven than ever before. this product has been life-changing.

"I would pay twice the price"

It's expensive, but the benefits to my brain’s performance are worth it.

"ADHD: Solved!"

There were no jitters or other negative side effects, just a smooth feeling of sustained concentration and focus.

"Now I’m a morning person"

Never thought id say it! Each morning my mind feels refreshed and ready to go. No more grogginess.

“The only supplement supported by up-to-date neuroscience”

This is a collection of premium brain-enhancing ingredients that are all backed by science. If you're an Andrew Huberman fan, you'll love this!

“Finally found a solution to brain fog & memory issues”

In the past few years, my brain hasn’t been operating at the level it used to. I was afraid it would stay like that forever. With X, I have the energy, focus and memory of a 25-year old.

"The best"

I’ve tried every brain supplement - and this one wins, hands down!

"IQ boost (for real)"

Really loving this supplement - I feel smarter when I take it! So many powerful ingredients. Highly recommend!

“X doubled my productivity in the first 30 days”

At first, I didn’t notice much. But, within a couple of weeks, my ability to work productively skyrocketed. I’ve finally found the Holy Grail of productivity!

Our Promise to You

No other product makes this guarantee

The science supporting every one of our 17 active ingredients is so strong, we guarantee X will outperform any other brain supplement.

If you get better results from another (non-stimulant) brain supplement on the market in the U.S., we’ll buy you that product!

(Maximum value $75 • Limit 1 claim per household To make a claim, email hello@xbrain.science.)

Quality and Standards

X is made in a state-of-the-art FDA-registered facility in California, which has Organic Certification, Kosher Certification, and is certified for Current Good Manufacturing Practices (CGMP) by NSF & UL.

Every batch of X is third-party tested for purity and potency.

Why brand-name ingredients matter (vs generic)

Not all ingredients have a brand-name version. For ones that do, the manufacturer is staking its reputation on the quality and effectiveness of the ingredient, which always costs significantly more than generic.

Also, clinical research using the brand-name ingredients proves benefits that have not been shown for the generic versions of those ingredients.

X contains 9 brand-name ingredients. Nearly all other brain supplements contain zero. The most brand-name ingredients in any other brain supplement available at this time is two.

Improve your cognitive performance with naturally sourced ingredients that support your brain.

Try X Now, Risk Free

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Neuroscience has chosen these 17 ingredients

Ingredient
MG/Serving
Benefits (Supported by published research)
1
Alpha-GPC
BRAND: AlphaSize®
300mg
Supports memory, focus . Precursor to acetylcholine, which is essential to focused attention and neuroplasticity.
2
Choline
BRAND: Cognizin®
250mg
Supports elevated cognitive function, especially improved focus, attention and brain energy. Promotes brain health, neuroplasticity.
3
Bacopa Monnieri
BRAND: Bacognize®
300mg
Supports focus, attention, brain energy, motor speed and memory. Promotes brain health and neuroplasticity.
4
Ashwagandha
BRAND: KSM-66®
300mg
Supports cognitive function and memory, reduced stress and anxiety, and physical endurance, strength and muscle size.
5
Phosphatidylserine
BRAND: SerinAid®
100mg
Supports overall brain function, enhanced mood, memory, concentration as well as physical performance and recovery.
6
Rhodiola Rosea
BRAND: Rhodiolife®
250mg
Supports focus, memory, mood, anxiety relief, reduced fatigue, and improved energy, stamina and performance.
7
L-Theanine
BRAND: Suntheanine®
200mg
Supports relaxed alertness, focus and concentration. Helps promote a calm but energized state conducive to focused work.
8
Coffee fruit extract (decaf)
BRAND: CognatiQ®
200mg
Stimulates production of BDNF (Brain-Derived Neurotrophic Factor), which promotes growth of new brain cells.
9
PQQ
BRAND: PureQQ®
50mg
Supports elevated cognitive function and improved short-term memory. Improves cellular energy (ATP) production.
10
M Pruriens extract
50mg
Increases baseline level of dopamine in the brain and body, supporting motivation, drive, energy and focus.
11
L-Tyrosine
250mg
Increases noradrenaline and dopamine, supporting motivation, drive, energy and focus.
12
Ginkgo Biloba
50mg
Supports overall brain function and wellbeing. Helps promote positive mood and reduced anxiety.
13
Alanyl L-Glutamine
500mg
Supports overall brain function, memory and cognition. Alanyl L-Glutamine is superior to free form L-Glutamine.
14
Huperzia Serrata Extract (1% Huperzine-A)
5mg
Increases dopamine and acetylcholine transmission, which promotes focus and neuroplasticity.
15
Uridine
160mg
Supports improved memory through increased growth of synapses. Boosts dopamine, supporting motivation and drive.
16
Theobromine
200mg
The primary active ingredient in dark chocolate. Improves cognitive function and boosts focus.
17
L-Phenylalanine
500mg
Increases noradrenaline and dopamine, supporting motivation, drive, energy and focus.

OTHER ACTIVE INGREDIENTS:

Vitamin B6, 10mg • Vitamin B12 (Methylcobalamin), 500mcg — critical to brain function • Black pepper extract, BRAND: Bioperine®, 5mg — promotes absorption of ingredients

INACTIVE INGREDIENTS:

Hypromellose, Microcrystalline Cellulose, Calcium Carbonate, Bamboo Extract, Nuflow®, Leucine

X contains the following brand-name ingredients:

CLICK ON ANY OF THE ABOVE LOGOS TO SEE THE RESEARCH-SUPPORTED BENEFITS OF THAT INGREDIENT.

AlphaSize® and SerinAid® are registered trademarks of Chemi Nutra, LLC in the USA and other jurisdictions. Cognizin® is a registered trademark of Kyowa Hakko Bio Co., Ltd. Bacognize® is a registered trademark of Verdure Sciences, Inc. KSM-66® is a registered trademark of Ixoreal Biomed, Inc. PureQQ® is a trademark of Nascent Health Sciences. CognatiQ® is a trademark of VDF FutureCeuticals, Inc. Rhodiolife® is a registered trademark of Nektium Pharma, S.L. Suntheanine® is a registered trademark of Taiyo International, Inc. BioPerine® is a registered trademark of Sabinsa Corporation.

Ashwagandha Root: Enhancing Cognition

Ashwagandha root, also known as Withania somnifera, is a powerful adaptogenic herb used in Ayurvedic medicine for thousands of years. Known for its ability to support mental clarity and reduce stress, Ashwagandha is a versatile natural remedy that promotes overall cognitive health.

Key Benefits from Published Studies:

Enhanced Cognitive Function: Clinical studies have shown that Ashwagandha root significantly improves cognitive abilities, including memory, attention, and information processing speed. Participants using Ashwagandha demonstrated better mental clarity and cognitive performance.

Improved Mood and Reduced Stress: Research indicates that Ashwagandha effectively lowers cortisol levels, reducing stress and anxiety. This adaptogenic herb helps balance neurotransmitters, which can improve mood and cognitive function.

Neuroprotection: Ashwagandha possesses strong neuroprotective properties, protecting brain cells from oxidative stress and promoting long-term brain health. Studies suggest it can reduce the risk of neurodegenerative diseases.

Ashwagandha root's cognitive-enhancing and stress-reducing properties make it an invaluable ingredient for supporting mental clarity and overall brain health.

Bacopa Monnieri: Boosting Focus and Attention

Bacopa Monnieri, also known as Brahmi, is a traditional Ayurvedic herb renowned for its cognitive-enhancing properties. It has been extensively studied for its ability to improve focus, attention, and overall mental performance.

Key Benefits from Published Studies:

Improved Focus and Attention: Clinical trials have shown that Bacopa Monnieri significantly enhances focus and concentration, making it easier to stay on task and process information effectively.

Enhanced Cognitive Function: Research indicates that Bacopa Monnieri improves various aspects of cognitive performance, including memory retention and learning ability, making it a valuable supplement for overall mental clarity.

Neuroprotection: Bacopa Monnieri is rich in antioxidants, which help protect brain cells from oxidative stress and other potential damage. This promotes long-term brain health and reduces the risk of cognitive decline.

Stress Reduction: Studies have shown that Bacopa Monnieri can reduce stress and anxiety levels, promoting a sense of calm and well-being, which supports better cognitive function under pressure.

Bacopa Monnieri’s ability to enhance focus, attention, and cognitive function, combined with its stress-reducing properties, underscores its role as a powerful natural nootropic.

Rhodiola Rosea: Promoting Energy and Alertness

Rhodiola Rosea is an adaptogenic herb traditionally used in Siberian and Scandinavian regions to combat fatigue, enhance physical endurance, and promote longevity. Modern research has validated its effectiveness in boosting energy, reducing stress, and enhancing alertness.

Key Benefits from Published Studies:

Increased Energy and Alertness: Clinical trials have demonstrated that Rhodiola Rosea significantly boosts physical and mental energy levels, reducing fatigue and improving endurance.

Stress Reduction: Rhodiola Rosea helps the body adapt to stress by lowering cortisol levels, promoting a sense of calm and resilience, which in turn enhances alertness.

Enhanced Cognitive Function: Research indicates that Rhodiola Rosea supports cognitive performance, including focus, attention, and mental clarity. Studies have shown it can improve cognitive processing and reduce mental fatigue.

Mood Support: Rhodiola Rosea has been shown to improve mood and reduce symptoms of anxiety and depression, supporting overall mental well-being and alertness.

Rhodiola Rosea’s adaptogenic properties and its ability to enhance energy and cognitive function make it an invaluable ingredient for promoting energy and alertness.

M Pruriens (Velvet Bean): Enhancing Motivation and Drive

M Pruriens, also known as velvet bean, is a tropical legume traditionally used in Ayurvedic medicine. It is particularly known for its high content of L-Dopa, a precursor to the neurotransmitter dopamine, which plays a crucial role in motivation, pleasure, and cognitive function.

(M Pruriens extract in X is from M Pruriens.)

Key Benefits from Published Studies:

Increased Motivation and Drive: Research has shown that M Pruriens can significantly increase dopamine levels in the brain, enhancing motivation and drive, making it a powerful supplement for boosting mental and physical performance.

Enhanced Cognitive Function: Studies indicate that M Pruriens improves cognitive abilities such as focus, attention, and memory. Participants using M Pruriens demonstrated better mental clarity and cognitive performance.

Neuroprotection: M Pruriens has neuroprotective properties, protecting brain cells from oxidative stress and other potential damage, promoting long-term brain health and reducing the risk of neurodegenerative diseases.

Mood Enhancement: Research suggests that M Pruriens can improve mood and reduce symptoms of depression and anxiety by balancing neurotransmitter levels in the brain.

M Pruriens’ ability to enhance motivation, cognitive function, and mood highlights its role as a potent natural supplement.

Coffee Berry (Decaf): Supporting Memory and Learning

Coffee berry, derived from the fruit of the coffee plant, is rich in antioxidants and polyphenols. Unlike traditional coffee, decaffeinated coffee berry provides cognitive benefits without the stimulating effects of caffeine. It has been historically used for its health-promoting properties and has gained attention for its ability to support brain health.

Cognatiq® in X is from whole coffee berries.

Key Benefits from Published Studies:

Enhanced Memory: Clinical studies have shown that coffee berry extract significantly improves memory retention and recall. Participants using coffee berry extract demonstrated marked improvements in their ability to remember and process information.

Improved Learning: Research indicates that coffee berry extract supports cognitive processing and learning abilities, making it easier to acquire and retain new information.

Neuroprotection: Coffee berry is rich in antioxidants, which help protect brain cells from oxidative stress and other forms of damage, promoting long-term brain health and reducing the risk of cognitive decline.

Increased BDNF Levels: Studies have shown that coffee berry extract can increase levels of brain-derived neurotrophic factor (BDNF), a protein essential for brain health, neurogenesis, and cognitive function.

Coffee berry’s unique combination of cognitive-enhancing and neuroprotective properties makes it a valuable ingredient for supporting memory and learning.

Ginkgo Biloba: Supporting Mood and Cognitive Function

Ginkgo Biloba is one of the oldest living tree species and has been used in traditional Chinese medicine for centuries. It is renowned for its ability to support cognitive function, improve mood, and promote overall brain health. Modern research has validated many of these traditional uses.

Key Benefits from Published Studies:

Enhanced Cognitive Function: Clinical studies have shown that Ginkgo Biloba improves cognitive abilities such as memory, attention, and information processing speed. Participants using Ginkgo Biloba demonstrated better mental clarity and cognitive performance.

Improved Mood: Research indicates that Ginkgo Biloba helps improve mood and reduce symptoms of anxiety and depression. Its mood-enhancing effects are attributed to its ability to regulate neurotransmitters and blood flow to the brain.

Neuroprotection: Ginkgo Biloba has strong antioxidant properties, protecting brain cells from oxidative stress and other potential damage, promoting long-term brain health and reducing the risk of cognitive decline.

Enhanced Blood Circulation: Studies have shown that Ginkgo Biloba can improve blood circulation, particularly to the brain, enhancing cognitive function and overall mental performance.

Ginkgo Biloba’s long history of use in traditional medicine, combined with its scientifically proven benefits, underscores its role as a powerful natural remedy for cognitive health and mood support.

Huperzia Serrata: Enhancing Motivation and Cognitive Function

Huperzia Serrata, a small firmoss, is a traditional Chinese herb known for its cognitive-enhancing properties. The primary active compound in Huperzia Serrata is Huperzine A, which has been extensively studied for its ability to support memory, learning, and overall brain health.

Key Benefits from Published Studies:

Improved Cognitive Function: Clinical studies have shown that Huperzia Serrata significantly enhances cognitive abilities such as memory, attention, and learning. Participants using Huperzia Serrata demonstrated better mental clarity and cognitive performance.

Neuroprotection: Research indicates that Huperzia Serrata has strong neuroprotective properties, protecting brain cells from oxidative stress and other potential damage. This promotes long-term brain health and reduces the risk of cognitive decline.

Enhanced Memory: Huperzine A, the active compound in Huperzia Serrata, inhibits acetylcholinesterase, an enzyme that breaks down acetylcholine. This leads to increased levels of acetylcholine, a neurotransmitter essential for learning and memory.

Support for Neurodegenerative Conditions: Studies suggest that Huperzia Serrata may help support brain health in individuals with neurodegenerative conditions, such as Alzheimer’s disease, by enhancing cognitive function and protecting brain cells.

Huperzia Serrata’s unique combination of cognitive-enhancing and neuroprotective properties highlights its role as a potent natural supplement for motivation and cognitive function.

Cacao: Supporting Cognition and Mental Clarity

Cacao, derived from the seeds of the Theobroma cacao tree, has been cherished for centuries for its rich flavor and health benefits. Known for its high antioxidant content and mood-enhancing properties, cacao is a valuable ingredient for supporting cognitive function and mental clarity.

(Theobromine in X is from cacao.)

Key Benefits from Published Studies:

Enhanced Cognitive Function: Research has shown that cacao improves cognitive performance, including memory, attention, and mental clarity. The flavonoids in cacao enhance blood flow to the brain, supporting cognitive function.

Mood Enhancement: Studies indicate that cacao can improve mood and reduce symptoms of stress and anxiety. The natural compounds in cacao, such as theobromine and phenylethylamine, have mood-lifting effects.

Neuroprotection: Cacao is rich in antioxidants, which protect brain cells from oxidative stress and other potential damage. This promotes long-term brain health and reduces the risk of neurodegenerative diseases.

Increased Energy and Alertness: Theobromine, a natural stimulant found in cacao, provides a gentle energy boost without the jittery effects of caffeine, enhancing alertness and cognitive function.

Cacao’s ability to enhance cognition, mood, and mental clarity, combined with its rich history and natural origins, underscores its role as a powerful natural remedy for cognitive health.

Green Tea Leaves (Decaf): Supporting Mood and Stress Relief

Green tea leaves, particularly in their decaffeinated form, offer a host of health benefits without the stimulating effects of caffeine. Known for their high content of antioxidants and calming properties, green tea leaves have been used traditionally to promote relaxation and mental clarity.

(L-theanine in X is from green tea leaves.)

Key Benefits from Published Studies:

Improved Mood: Clinical studies have shown that green tea extract can improve mood and reduce symptoms of anxiety. The amino acid L-theanine, found in green tea, promotes relaxation and reduces stress without causing drowsiness.

Enhanced Cognitive Function: Research indicates that green tea extract supports cognitive performance, including focus, attention, and mental clarity. Participants using green tea extract demonstrated improved cognitive processing.

Neuroprotection: Green tea leaves are rich in catechins, powerful antioxidants that protect brain cells from oxidative stress and other forms of damage. This promotes long-term brain health and reduces the risk of cognitive decline.

Stress Reduction: L-theanine in green tea has been shown to reduce cortisol levels, the body’s primary stress hormone, promoting a sense of calm and well-being.

Green tea leaves’ ability to enhance mood, reduce stress, and support cognitive function, combined with their natural and historical use, make them a valuable ingredient for promoting mood and stress relief.