Noocube’s Brain Productivity

The all-in-one, daily nootropic formula
for people with deadlines.

  • Gain razor sharp focus

  • Improve problem-solving skills

  • Boost memory & mental alertness

  • Protect eyes from electronics-related "screen fatigue"

  • Reduce fatigue-related brain fog

  • Science-backed ingredients

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“I would start and stop tasks almost every day at work. Felt like I was all over the place. Noocube has helped me feel more organized, balanced, and on-the-ball.”

— Emily J., 34

Noocube’s Brain Productivity

The functional cognitive support made by nature

No prescription
necessary

Science-backed
ingredients

Caffeine-free

Big savings on
bundles

100% satisfaction,
60-day money-back
guarantee

Made With Award-Winning Functional
Ingredient Lutemax® 2020

Derived from the marigold plant, Lutemax® 2020 contains three critical eye-brain nutrients, which include lutein and two unique zeaxanthin isomers (RR-and RS [meso]- zeaxanthin).

Studies show Lutemax® 2020 can help support areas of the brain responsible for information processing including memory, listening comprehension, and visual acuity.

Confirmed Study

A randomized, double-blind, placebo study of 59 healthy individuals were each given Lutemax® 2020 for a full 12 months.

Positive Outcomes

Improved
attention span

Boosted
memory

Reduces
mental stress

Increased
processing
speed

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See How Noocube’s Brain Productivity Helps Everyday People Get More Accomplished

“Helped me focus all day at work. Made my work feel easier.”

“I’ve tried other brain supplements. Most of them made me feel sick to my stomach. I was afraid of trying nootropics again. My co-worker told me about Noocube so I thought I’d give it a try.

I take it with my coffee and holy smokes I feel like I’m dialed in! It has helped me focus all day at work. Made my work feel easier. Highly recommended.”

— Jeffrey P.
Phoenix, AZ, age 34

“I feel like I can think better during stressful situations or problems.”

“I’ve always had attention issues. I used to get so overwhelmed with just thinking about all of the things I have to get done that I would just shut-down and feel like I couldn’t move.

Noocube’s Brain Productivity™ helps me feel like I can handle my stress and ‘shut-down’ episodes better. I feel like I can think better during stressful situations or problems. It's been a great investment. Thanks!”

— Emily J.
Miami, FL, age 32

“This is the first supplement that works as advertised.”

“My wife and I are in real estate and we’re always looking for ways to improve our game. We’ve been on Noocube for 3 months now and we have definitely noticed a difference. We both agree that our problem solving has become easier.

We can remember locations of houses without looking them up all the time. This is the first brain supplement that works as advertised. I would recommend giving it some time to let it build-up in your body but once you do, it’s amazing. We feel smarter every day.”

— Jason & Marie J.
San Diego, CA, ages 42,40

“I felt more productive, almost like I had two of me!”

“I’m naturally an anxious person and a bit of an introvert. I have a hard time disappointing people, so I work all the time. I’ve tried a few supplements to help me focus and not stress so much, but they never worked or I would forget to keep taking them.

I ordered Noocube after I saw it in The Men’s Journal and thought I’d give it a try. This actually started working right away. I felt more at ease while working. I felt more productive, almost like I had two of me. Doesn’t hurt my stomach and doesn't give me jitters. I started having my wife take it and it’s working for her, too. Great purchase. I will reorder again soon”

— Dorian G.
Seattle, WA, age 38

“Felt like a relief. Like I could start being a normal functioning adult again.”

“My attention issues have been with me forever. I’ve lost so many jobs because I would forget dates or miss appointments. I’ve seen a few doctors to help with my focus but they stuck me on medications that made me feel dumb like I was moving slow.

My mom mentioned something about this brain supplement and so I thought I’d try it out. At first, it didn't do much but I kept taking it and about week 2 was when I felt like my brain was firing on all cylinders. Honestly, it felt like a relief. Like I could start being a normal functioning adult again.

— Stacey H.
Santa Fe, NM, age 32

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Dealing With Brain Fatigue?

Does this sound familiar...

You have a million things you need to accomplish and zero idea on where to start...

You’re spending more time on your smartphone, perhaps late into the night while lying in bed... trying to mentally push away the next day’s agenda.

You have 50 tabs open on your web browser, and yet, you feel like you're spinning your wheels...

You’re missing more and more deadlines...

Friends and family aren’t relying on you as they used to, making you feel like you’re some “lazy” person...

Here’s the truth— you’re not lazy. You may simply be dealing with an abundance of “overwhelm toxins” which could be wreaking havoc on your thinking and overall cognitive health.

Thankfully— it no longer has to be that way.

A team of German researchers and formulators came together to craft a real, functioning brain aid that supports cognitive health at its core.

Helping you get back the life you had— one where you felt more organized and “on-the-ball.” One where you’re able to complete one task after another without shutting down or losing focus.

Brain “Super Nutrients” Found In Abundance In Fast-Thinking Centenarians

What if we could live to be 100 while maintaining the quick-wit of our younger years?

According to research published in the Journal of Aging Research, older men and women that maintained a normal cognitive strength late into their years had higher levels of macular carotenoids, lutein and zeaxanthin in the areas of the brain responsible for processing information.

These carenoids have been shown to help support the highly critical “memory molecule” known as Brain-Derived Neurotrophic Factor (BDNF for short).

Brain-Derived Neurotrophic Factor (BDNF) is a neurotrophin necessary in protecting our nerve cells and supporting healthy brain functions like language, memory, focus, and eye-sight— all of which contributes to improved levels of productivity.

However, according to The American Psychological Association, 77% of Americans, right now, are suffering with symptoms of stress, ranging from fatigue, lack of energy, and even sleep problems...

These negative symptoms may cause “overwhelm toxins” to slowly eat at our memory molecule (aka BDNF)... causing us to feel older, have more “brain farts,” and make everyday work seem nearly impossible to finish...

That’s why Noocube’s Brain Productivity™ was formulated— to support and boost cognitive health at the cellular level so we can maintain incredible focus, memory, and concentration.

Order Now100% satisfaction, 60-day money back guarantee

Noocube’s Brain Productivity Works Unlike Any Other Nootropic Formula Today

Crafted with the help of some of Europe’s top neuroscientists, Noocube’s Brain Productivity™ combines 12 science-backed ingredients to help support brain pathways for...

  • Boosted problem solving skills

  • Reduced feelings of “brain overwhelm”

  • Increased motivation to finish projects

  • Improved razor sharp focus

  • Enhanced memory

  • Lowered stress levels

Plus, other added benefits such as better sleep, calmer disposition throughout the day, and overall better mood.

Imagine having all of these benefits on a daily basis, and without a doctor’s prescription or having to “stack” multiple nootropics...

Imagine completing one task at a time without starting and stopping and getting distracted...

And imagine having more time in the day because you’re no longer procrastinating on your smartphone...

Noocube’s Brain Productivity™ is the all-in-one, daily answer that works for men and women of all ages.

Try Noocube’s Brain Productivity™ today, risk-free, and experience the smooth brain energy that allows you to get more done without trying as hard.

Order Now100% satisfaction, 60-day money back guarantee

No harmful
side effects

Amazing results
with daily use

Legal in all
countries

Made with
effective dosages

60-day money
back guarantee

Suitable for
vegetarians

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The 5 Key Benefits Of Noocube’s Brain Productivity Formula

Keep Sharp Focus

Stay on task until it's completed — without losing steam.

Boosted Memory

Recall details with ease, improve memory and learning, and enjoy more mental alertness.

Increased Attention

Stay on task and focused — even in demanding situations.

Less Stress + Brain Drain

Helps you enjoy more mental performance, manage day to day stresses, and maintain healthy stress levels.

Eye-Brain Connection

We are staring at screens more than ever, which isn’t good for your everyday eye health. Reduce mental fatigue caused by looking at screens all day long.

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Take Noocube’s brain productivity for daily brain support

Crafted For Men & Women Of All Ages

Whether you’re an athlete that needs to keep their head in the game, a student that’s driven for those perfect grades, or a business owner that’s taking on a lot of responsibility...

Noocube’s Brain Productivity™ is a functional nootropic formula that provides science-backed ingredients to help keep you focused, calm, and driven!

Parents

Noocube’s Brain Productivity™ is a favorite among parents who never seem to catch a moment for themselves. Our formula helps them stay energized and focused so they can keep up with life’s craziness.

High Achievers

Noocube’s Brain Productivity™ works to reduce overwhelming feelings and helps balance stress, which allows high achievers to stay focused and think through problems with an improved mental clarity.

Students

Noocube’s Brain Productivity™ helps students stay focused, improves their learning performance, strengthens memory to help with exams, and balances stress levels.

Athletes & Sportsmen

Noocube’s Brain Productivity™ works to improve exercise performance by helping men and women stay focused, have more motivation, and see an increase in workout intensity.

Adults 55+

Noocube’s Brain Productivity™ uses its ingredients to help support longevity and brain plasticity for razor sharp memory, improved mood, and less brain fog.

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Always Improving
(Just Like You!)

Noocube Brain Productivity v3.0 is
Now Suitable for Vegetarians

If you've been using Noocube Brain Productivity for awhile, you may notice we made a few small (but important) changes to the label.

Here are the improvements in v3.0:

  • Alpha GPC (Glycerylphosphorylcholine) is soy derived so it was upgraded to VitaCholine® which is allergen-free and more bioavailable.
  • Oat Straw Extract contained gluten and so it was replaced with Panax Ginseng concentrate.
  • Biotin was upgraded to D-Biotin, a plant-based form of Biotin that is more bioavailable.
  • Magnesium stearate — a flow agent that helps the product fit into capsules — was upgraded to vegetable magnesium stearate derived from plants.
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12 Science-Backed Ingredients For Overall Cognitive Support

Lutemax® 2020

Why did your grandma believe that carrots were good for your eyes? Because of carotenoids — the orange pigment that colors carrots – which help promote eye health even when you have “blue light” exposure. Lutemax® 2020 is an award-winning blend of 3 macular carotenoids (found in marigold flowers) that are proven to improve attention, verbal memory, processing speed, and even stress response.

Bacopa Monnieri 12:1 (20% Bacosides) 250 mg

This darling of the modern nootropic community has ancient roots. Indian Ayurvedic healers place Bacopa in the Medhya Rasayanas (or "intellect rejuvenation") category of healing herbs. It helps receptors in the brain process information. That's why it's used in Hindu rituals to symbolically bless newborn babies with minds that are open to knowledge.

Panax Ginseng Concentrate 20 Mg

Asians have been using this powerful adaptogen to reduce stress since ancient times. Modern studies show it improves working memory and mood by lowering stress hormones. We use an 8:1 concentrate — so 20 mg is equal in strength to 160mg of pure panax ginseng powder.

See All 12 Nootropic Ingredients

What if you could go from the
frustrated and scattered thinking...

To the clear-headed and focused
energy you’ve always wanted...

Noocube’s Brain Productivity™ is a functional Nootropic formula crafted to help promote a feeling of clear-headed focus and energy so you can accomplish more without feeling scattered and overwhelmed.

Try it today and feel more productive within 60 days guaranteed or your money back.

Order Now100% satisfaction, 60-day money back guarantee

Noocube’s Brain Productivity Vs. Others

When it comes to complete brain support, there’s just no comparison

Others

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What If You Could Duplicate Yourself?

Noocube’s Brain Productivity™ works alongside your daily routine as a functional nootropic — allowing you to get more accomplished in a 24-hour period without feeling overwhelmed or paralyzed by decision-making.

  • ➤ Increases ability to focus and pay attention
  • ➤ Protects the eyes from "screen fatigue"
  • ➤ Improves problem-solving skills, especially in high-demand situations
  • ➤ Destroys brain fog for enhanced memory
  • ➤ Increases mental alertness and learning performance
  • ➤ Plus, with these added benefits, you can also enjoy better sleep, lower stress levels, and an overall positive mood
  • ➤ FREE bonuses! Every order of Noocube’s Brain Productivity™ comes with two of our most popular e-guides absolutely free:
    • 10 Brain Foods That Can Make You Smarter Overnight
    • 5 Easy-To-Follow Brain Exercises For Superhuman Focus
Order Now100% satisfaction, 60-day money back guarantee

Choose The Noocube Package That’s Right For You

Important Note: most of our first-time customers that experience biggest improvements in their cognitive health secure either the 3-month or 6-month5-month supply of Noocube’s Brain Productivity™

100% money back
guarantee

Free
shipping

Massive
multibuy savings

Made in an FDA
inspected facility

1-Month Supply

Cheapest Option

Retail:$79.99

$64.99

Savings:$15.00

60 capsules

Buy NowFast and Free Shipping

3-Month Supply

Most Popular

Retail:$239.97

$129.99

Savings:$109.98

180 capsules

Buy NowFast and Free Shipping

Retail:

Savings:$0.00

Buy NowFast and Free Shipping

1-Month Supply

Cheapest Option

Retail:$79.99

$64.99

Savings:$15.00

60 capsules

Buy NowFast and Free Shipping

3-Month Supply

Most Popular

Retail:$239.97

$129.99

Savings:$109.98

180 capsules

Buy NowFast and Free Shipping

5-Month Supply

Biggest Savings

Retail:$399.95

$194.99

Savings:$204.96

300 capsules

Buy NowFast and Free Shipping

Free worldwide shipping

Free bottles in bundle

Free brain guides

Order Noocube’s Brain Productivity™ Today And Receive Instant Access To Our E-Guides and Newsletter For FREE!

In the E-Guides and Newsletter, You’ll Discover:

  • ➤ The top 10 best foods to eat that Harvard researchers say can improve memory, strengthen brain health... and lower stress levels (plus— the 5 brain-damaging foods you should avoid at all costs... and could have in your house right now)
  • ➤ The 5 easy-to-follow brain exercises you can do first thing in the morning for all-day clarity, concentration, and laser-like focus.
  • ➤ Daily tips and in-depth articles from our Noocube brain researchers to help keep you sharp and informed
  • ➤ And so much more, including limited-time discounts only given to our Noocube members
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You’re Covered By Our 100% Satisfaction, 60-Day Money-Back Guarantee

We're so sure you'll love it, we give you 60 days to try it

We are so sure that Noocube outperforms the competition that we remove all the risk so you can enjoy all the benefits.

Unlike most nootropic brands, we put our money where our mouth is. We are so confident that you'll love the results Noocube delivers, we offer every customer an industry-leading 60-day return period.

That's right, use Noocube as directed for a full 60 days and if you do not experience the positive, brain-supporting abilities these ingredients have to offer, simply let us know. We then make it quick and easy for you to claim a full refund.

How can we offer you this reassurance when no other brand can? Simple. We have spent 100s of $1000s of dollars in 3rd party testing and re-testing to prove that our formula works with stellar results.

We do not cut corners with our formula. We do not hide our ingredients as a “proprietary blend.” We ensure each small batch of Noocube is made with the highest standards in a GMP-certified facility with FDA-approved ingredients.

So if you don't love it, simply return it!

Order Now100% satisfaction, 60-day money back guarantee

Frequently Asked Questions

Which Noocube package is right for me?

Many of our customers that experience the best outcome often secure the 3-month and 6-month5-month supply.

This allows enough time for the perfectly measured blend of ingredients to be absorbed more completely and become better acquainted with your unique system.

While a 1-month supply of Noocube can still give you many of the benefits from the ingredients, it’s best to continue taking Noocube on a regular basis for at least 3 months to experience everything the high-grade ingredients has to offer.

There’s no added risk to you by ordering more today. You are still covered by our 100%, 60-day money-back guarantee, which you won’t find anywhere else.

That’s how confident we know you’ll feel a positive outcome almost immediately.

Click here now and secure the 3-month or 6-month5-month supply and save today »


Is Noocube Brain Productivity™ Safe?

Yes! Our Noocube formula contains only ingredients that have studies to back their proof of efficacy.

Our formula doesn’t require a doctor’s prescription and is easy-to-digest with no known side effects.


How soon can I expect positive results?

While it may vary from person to person— depending on habits, genes, and age— many of our customers experience positive results within the first few days of taking Noocube on a regular basis.

It’s not a miracle— it’s years of evidence-based research and development to provide only the best, high-quality ingredients that are backed by science to improve overall cognitive health.

While many of our customers may feel the benefits of Noocube’s formula almost right away, we always recommend taking Noocube for at least 3 to 6 months so that you may experience the full power of what this formula has to offer.


What will I notice while taking Noocube’s formula?

Many of our customers reported the first thing they noticed while taking Noocube is they felt more “at ease” and not as stressed... almost as if the day’s frustrations seem to have faded away.

After the first couple of weeks, they began to notice their thinking felt clearer, like they’re able to make decisions more confidently and at a faster pace than before.

With continued use, our more dedicated Noocube members stated how they felt more productive and are able to “knock out” tasks at work or home without starting or stopping or getting side-tracked with the million distractions we face on a daily basis.


Does Noocube Brain Productivity™ have caffeine?

No. Our formula does not contain caffeine. We use ingredients that help improve cognitive functions and energy without the use of active stimulants and their uncomfortable side-effects.


How do I use Noocube’s Brain Productivity™?

For best results, we recommend taking Noocube’s Brain Productivity™ every day, preferably in the morning.

Simply take 2 easy-to-swallow capsules of Noocube with water. It can be taken with or without food.


What if I’m not satisfied with Noocube?

If you are unhappy with your results while taking Noocube on a regular basis, then you may return your order within 60 days of purchase for a full refund.

We know that by taking Noocube’s Brain Productivity™— as part of your health routine— you can begin to experience positive cognitive benefits within as little as a week’s time.

However, we know not everyone’s the same. That’s why we’re confident in extending our 60-day money-back guarantee on every order of Noocube.

So if you are not satisfied with your focus, mental alertness, and better brain health, then return your order within 60 days of purchase and we’ll refund your investment, every cent, and we’ll part as friends with no hurt feelings.


Is my credit card information safe?

Yes! We process all of our orders through a safe, encryption payment processing system. We do not have access to your credit card information, nor do we have the ability to store your credit card information.


After I place my order, how soon will I receive my package?

If you live in the United States, your order should arrive within 5 business days.

If you live in the United Kingdom, your order should arrive within 5 business days.

For customers in Europe, Canada or Australia you should expect delivery within 10 business days.

Delivery times elsewhere may vary all products are dispatched from our closest warehouse in the USA, UK or Europe.


Can I see the full label and ingredients?

Sure, we don’t hide our ingredients and provide full details of their dosages.


Scientific Sources

1–Arunkumar, Ranganathan, et al. “The Macular Carotenoids: A Biochemical Overview.” Biochimica Et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids, Elsevier, 10 Jan. 2020, www.sciencedirect.com/science/article/abs/pii/S1388198120300093

2–Poulose, Shibu M, et al. “Effects of Pterostilbene and Resveratrol on Brain and Behavior.” Neurochemistry International, U.S. National Library of Medicine, Oct. 2015, www.ncbi.nlm.nih.gov/pubmed/26212523

3–PS;, Arunkumar R;Gorusupudi A;Bernstein. “The Macular Carotenoids: A Biochemical Overview.” Biochimica Et Biophysica Acta. Molecular and Cell Biology of Lipids, U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/31931175/

4–Colzato, Lorenza S, et al. “Working Memory Reloaded: Tyrosine Repletes Updating in the N-Back Task.” Frontiers in Behavioral Neuroscience, Frontiers Media S.A., 16 Dec. 2013, www.ncbi.nlm.nih.gov/pmc/articles/PMC3863934/

5–OmniActive Health Technologies, 13 Jan. 2021, omniactives.com

6–Johnson, Elizabeth J, et al. “Relationship between Serum and Brain Carotenoids, α-Tocopherol, and Retinol Concentrations and Cognitive Performance in the Oldest Old from the Georgia Centenarian Study.” Journal of Aging Research, Hindawi Publishing Corporation, 2013, www.ncbi.nlm.nih.gov/pmc/articles/PMC3690640/

7–Kennedy, David O. “B Vitamins and the Brain: Mechanisms, Dose and Efficacy--A Review.” Nutrients, MDPI, 27 Jan. 2016, www.ncbi.nlm.nih.gov/pmc/articles/PMC4772032/

8–Klein J, Gonzalez R, Köppen A, Löffelholz K. Free choline and choline metabolites in rat brain and body fluids: sensitive determination and implications for choline supply to the brain. Neurochem Int. 1993;22(3):293-300.

9–Nobre, Anna C, et al. “L-Theanine, a Natural Constituent in Tea, and Its Effect on Mental State.” Asia Pacific Journal of Clinical Nutrition, U.S. National Library of Medicine, 2008, www.ncbi.nlm.nih.gov/pubmed/18296328

10–Peth-Nui, Tatimah, et al. “Effects of 12-Week Bacopa Monnieri Consumption on Attention, Cognitive Processing, Working Memory, and Functions of Both Cholinergic and Monoaminergic Systems in Healthy Elderly Volunteers.” Evidence-Based Complementary and Alternative Medicine : ECAM, Hindawi Publishing Corporation, 2012, www.ncbi.nlm.nih.gov/pubmed/23320031

11–Johnson, Elizabeth J., et al. “Relationship between Serum and Brain Carotenoids, -Tocopherol, and Retinol Concentrations and Cognitive Performance in the Oldest Old from the Georgia Centenarian Study.” Journal of Aging Research, Hindawi, 9 June 2013, www.hindawi.com/journals/jar/2013/951786/

12–Snow, Alan D, et al. “The Amazon Rain Forest Plant Uncaria Tomentosa (Cat's Claw) and Its Specific Proanthocyanidin Constituents Are Potent Inhibitors and Reducers of Both Brain Plaques and Tangles.” Scientific Reports, Nature Publishing Group UK, 6 Feb. 2019, www.ncbi.nlm.nih.gov/pubmed/30728442

13–Stough, C, et al. “The Chronic Effects of an Extract of Bacopa Monniera (Brahmi) on Cognitive Function in Healthy Human Subjects.” Psychopharmacology, U.S. National Library of Medicine, Aug. 2001, www.ncbi.nlm.nih.gov/pubmed/11498727

14–Stringham, James M, et al. “Lutein across the Lifespan: From Childhood Cognitive Performance to the Aging Eye and Brain.” Current Developments in Nutrition, Oxford University Press, 4 June 2019, www.ncbi.nlm.nih.gov/pmc/articles/PMC6629295/

15–JM;, Stringham NT;Holmes PV;Stringham. “Supplementation with Macular Carotenoids Reduces Psychological Stress, Serum Cortisol, and Sub-Optimal Symptoms of Physical and Emotional Health in Young Adults.” Nutritional Neuroscience, U.S. National Library of Medicine, pubmed.ncbi.nlm.nih.gov/28198205/

16–“Stressed in America.” Monitor on Psychology, American Psychological Association, www.apa.org/monitor/2011/01/stressed-america

17–Tanprasertsuk, Jirayu, et al. “Relationship between Concentrations of Lutein and StARD3 among Pediatric and Geriatric Human Brain Tissue.” PLOS ONE, Public Library of Science, journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0155488

18–Vollala, Venkata Ramana, et al. “Enhancement of Basolateral Amygdaloid Neuronal Dendritic Arborization Following Bacopa Monniera Extract Treatment in Adult Rats.” Clinics (Sao Paulo, Brazil), Hospital Das Clínicas Da Faculdade De Medicina Da Universidade De São Paulo, 2011, www.ncbi.nlm.nih.gov/pubmed/21655763/

19–Cellular and Behavioral Effects of Stilbene Resveratrol Analogues: : Implications for Reducing the Deleterious Effects of Aging James A. Joseph, Derek R. Fisher, Vivian Cheng, Agnes M. Rimando, and Barbara Shukitt-Hale Journal of Agricultural and Food Chemistry 2008 56 (22), 10544-10551 DOI: 10.1021/jf802279h

20–Stringham NT, Holmes PV, Stringham JM. Effects of macular xanthophyll supplementation on brain-derived neurotrophic factor, pro-inflammatory cytokines, and cognitive performance. Physiol Behav. 2019;211: 112650.

21–Balchem Corporation, 18 July 2023,
https://balchem.com/human-nutrition-health/products/vitacholine/"

22–Institute of Medicine (US) Standing Committee on the Scientific Evaluation of Dietary Reference Intakes, its Panel on Folate, Vitamins OB, Choline. Choline. National Academies Press (US); 1998.

23–Reay JL, Scholey AB, Kennedy DO. Effects of 8 weeks administration of Korean Panax ginseng extract on the mood and cognitive performance of healthy individuals. J Ginseng Res. 2007;31. doi:10.5142/JGR.2007.31.1.034

24–Baek JH, Heo J-Y, Fava M, Mischoulon D, Choi KW, Na EJ, et al. Effect of Korean Red Ginseng in individuals exposed to high stress levels: a 6-week, double-blind, randomized, placebo-controlled trial. J Ginseng Res. 2019;43: 402–407.

25–Munzuroğlu M, Danışman B, Akçay G, Yelli İ, Aslan M, Derin N. Effects of biotin deficiency on short term memory: The role of glutamate, glutamic acid, dopamine and protein kinase A. Brain Res. 2022;1792: 148031.

26–Tangney CC, Aggarwal NT, Li H, Wilson RS, Decarli C, Evans DA, et al. Vitamin B12, cognition, and brain MRI measures: a cross-sectional examination. Neurology. 2011;77: 1276–1282.

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