When you start taking legit nootropics, you get to leave all of that behind you.  You may never achieve perfect concentration (most of us never will), but you should find you are able to concentrate on the task at hand for much longer than you do now.  You will end up taking fewer breaks, and you might start finishing up your work on time each day again—or even early!
When we first created the BrainSmart Ultra™ range of natural smart drugs and brain supplements in 2007, our main aim was to deliver the most effective balanced natural smart nutrition supplements for the brain available. We wanted to formulate a range of brain health supporting supplements that not only delivered on its promise to help encourage an individual’s mental energy, concentration and memory but also one that contained, at its core, the perfect balance of neurological health supporting ingredients.
Of course learning, working memory and cognitive control represent just a few aspects of thinking. Farah concluded that studies looking at other kinds of cognition - verbal fluency, for instance - were too few and too contradictory to tell us much. Both Chatterjee and Farah have wondered whether drugs that heighten users' focus might dampen their creativity. After all, some of our best ideas come to us not when we sit down at a desk but rather when we're in the shower or walking the dog - letting our minds roam. Jimi Hendrix reported that the inspiration for "Purple Haze" came to him in a dream; the chemist Friedrich August Kekule claimed that he discovered the ring structure of benzene during a reverie in which he saw the image of a snake biting its tail. Farah told me: "There is some evidence that suggests that individuals who are better able to focus on one thing and filter out distractions tend to be less creative.
Omega-3 fatty acids: DHA and EPA – two Cochrane Collaboration reviews on the use of supplemental omega-3 fatty acids for ADHD and learning disorders conclude that there is limited evidence of treatment benefits for either disorder.[42][43] Two other systematic reviews noted no cognition-enhancing effects in the general population or middle-aged and older adults.[44][45]
Nootroo and Nootrobox are two San Francisco nootropics startups that launched last year. Their founders come from the tech scene and their products are squarely aimed at the tech crowd seeking the convenience of not having to build their own combinations. Each claims big-name Silicon Valley entrepreneurs and investors among their users, though neither will name them.
Much of what she says is standard health advice. Avoid trans fats. Eat fresh vegetables and fruit. Avoid processed foods. Limit red meat consumption. It’s better to get your nutrients from food than from supplement pills. Exercise, get adequate sleep, and avoid stress. Since the brain runs on glucose, she wouldn’t agree with the low-carb diet folks; she says we need adequate sources of glucose in our diet, and recommends complex carbs, paying attention to the glycemic index.
11:30 AM. By 2:30 PM, my hunger is quite strong and I don’t feel especially focused - it’s difficult to get through the tab-explosion of the morning, although one particularly stupid poster on the DNB ML makes me feel irritated like I might on Adderall. I initially figure the probability at perhaps 60% for Adderall, but when I wake up at 2 AM and am completely unable to get back to sleep, eventually racking up a Zeo score of 73 (compared to the usual 100s), there’s no doubt in my mind (95%) that the pill was Adderall. And it was the last Adderall pill indeed.
We recently held an informative event in London with Dr Gill Hart, a biochemist and expert in the field of food intolerances and their global effect on health and we wanted to share some of the highlights of what Dr Hart covered. Based on some of her recent research (1), the talk offered some interesting insights into how food intolerances may have a role to play in our mental health. It honed in on the differences between food allergies and food intolerances within our immune system; some of the ways that our immune system, gut and brain are believed to influence each other, and how food intolerances, therefore, can play a role in mental health symptoms. She also spoke about how to go about testing and managing these intolerances through elimination diet strategies.
Forums including reddit.com/r/Nootropics/ have more than 140,000 subscribers discussing products with names like Orange Brainwash and GodMode. Nootropics are blends of ingredients touted as a low-risk way to enhance learning, memory, motivation, and even serenity. These ingredients range from herbs such as water hyssop (Bacopa monnieri) and arctic root to chemicals such as vinpocetine.

Nuts and seeds are terrific sources of vitamin E, which, according to a 2014 study, can help prevent cognitive decline and Alzheimer’s disease as you age. Other vitamin E-rich foods include eggs and cooked veggies. And it’s not just your brain that benefits from nuts; your heart will be happier too. Almonds, walnuts, cashews, Brazil nuts, pistachios, and peanuts have been linked to a decreased risk of cardiovascular disease, according to a Harvard study. Try these other vitamin E-rich foods.


Modafinil is not addictive but there may be chances of drug abuse and memory impairment.  This can manifest in people who consume it to stay up for way too long, as a result, this would probably make them sick. Long-term use of Modafinil may reduce plasticity and can have an adverse effect on the memory of some individuals. Hence it is sold only on prescription by a qualified physician.
She provides many examples of observational studies where lower intakes of a certain nutrient were correlated with cognitive impairment. Obviously, if someone is deficient in a vitamin or other nutrient, the deficiency should be corrected. But she doesn’t have any evidence from prospective interventional studies showing that, in practice, altering diet significantly improves cognition for people who are deficient, much less in people who are not deficient.
Discussions of PEA mention that it’s almost useless without a MAOI to pave the way; hence, when I decided to get deprenyl and noticed that deprenyl is a MAOI, I decided to also give PEA a second chance in conjunction with deprenyl. Unfortunately, in part due to my own shenanigans, Nubrain canceled the deprenyl order and so I have 20g of PEA sitting around. Well, it’ll keep until such time as I do get a MAOI.
20 March, 2x 13mg; first time, took around 11:30AM, half-life 3 hours, so halved by 2:30PM. Initial reaction: within 20 minutes, started to feel light-headed, experienced a bit of physical clumsiness while baking bread (dropped things or poured too much thrice); that began to pass in an hour, leaving what felt like a cheerier mood and less anxiety. Seems like it mostly wore off by 6PM. Redosed at 8PM TODO: maybe take a look at the HRV data? looks interestingly like HRV increased thanks to the tianeptine 21 March, 2x17mg; seemed to buffer effects of FBI visit 22 March, 2x 23 March, 2x 24 March, 2x 25 March, 2x 26 March, 2x 27 March, 2x 28 March, 2x 7 April, 2x 8 April, 2x 9 April, 2x 10 April, 2x 11 April, 2x 12 April, 2x 23 April, 2x 24 April, 2x 25 April, 2x 26 April, 2x 27 April, 2x 28 April, 2x 29 April, 2x 7 May, 2x 8 May, 2x 9 May, 2x 10 May, 2x 3 June, 2x 4 June, 2x 5 June, 2x 30 June, 2x 30 July, 1x 31 July, 1x 1 August, 2x 2 August, 2x 3 August, 2x 5 August, 2x 6 August, 2x 8 August, 2x 10 August, 2x 12 August: 2x 14 August: 2x 15 August: 2x 16 August: 1x 18 August: 2x 19 August: 2x 21 August: 2x 23 August: 1x 24 August: 1x 25 August: 1x 26 August: 2x 27 August: 1x 29 August: 2x 30 August: 1x 02 September: 1x 04 September: 1x 07 September: 2x 20 September: 1x 21 September: 2x 24 September: 2x 25 September: 2x 26 September: 2x 28 September: 2x 29 September: 2x 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December: 2x 08 December: 2x 09 December: 2x 10 December: 2x 11 December: 2x 12 December: 2x 13 December: 2x 14 December: 2x 15 December: 2x 16 December: 2x 17 December: 2x 18 December: 2x 19 December: 2x 20 December: 2x 21 December: 2x 22 December: 2x 23 December: 2x 24 December: 2x 25 December: 2x ran out, last day: 25 December 2017 –>
Your brain is essentially a network of billions of neurons connected by synapses. These neurons communicate and work together through chemicals known as neurotransmitters. When neurotransmitters are able to send signals more efficiently, you experience improved concentration, better memory, mood elevation, increased processing ability for mental work, and longer attention spans.
Took pill #6 at 12:35 PM. Hard to be sure. I ultimately decided that it was Adderall because I didn’t have as much trouble as I normally would in focusing on reading and then finishing my novel (Surface Detail) despite my family watching a movie, though I didn’t notice any lack of appetite. Call this one 60-70% Adderall. I check the next evening and it was Adderall.
Brain Pill is an original, safe and effective nootropic agent. Unlike the many agents available in the market that do not guarantee their effectiveness, Brain Pill bases its working abilities in clinical research and trials done to the product. You should, therefore, prioritize purchasing this product if you fall in the fold. Ken Jennings, a 74-game Jeopardy champion recommends this product for enhanced* brain functioning.
So the chi-squared believes there is a statistically-significant difference, the two-sample test disagrees, and the binomial also disagrees. Since I regarded it as a dubious theory, can’t see a difference, and the binomial seems like the most appropriate test, I conclude that several months of 1mg iodine did not change my eye color. (As a final test, when I posted the results on the Longecity forum where people were claiming the eye color change, I swapped the labels on the photos to see if anyone would claim something along the lines when I look at the photos, I can see a difference!. I thought someone might do that, which would be a damning demonstration of their biases & wishful thinking, but no one did.)
i chose to Omega 3 (GNLD) for my brain cells and coffee and tomato sauce as my antioxidants since they are cheap out here. organic fruits and veges are also cheap out here to fruits for 3$ can take me 7days! Its a matter of choice where you live but do exercise too! i have a selction of gym staff; dumb bells, a bench, skip rope for convenience within my room, work out 45min three times a week. I have developed great memory and processing speed and find the medicine/surgery course real fun
I asked Marcus which nootropic he would want if he were stranded on a desert island. "I guess it would depend on the challenges I was facing on the island. If staying healthy was the biggest challenge, then I'd choose AC-11," he said. "If I needed to stay motivated to rebuild the village, I would choose Mucuna [pruriens]. If I was hunting, I'd choose Huperzia serrata, for mental acuity and speed."
The low-carb & high-fat diet (includes keto-diet) are not good for you because the brain needs glucose for fuel. It can burn fat. But, the brain’s preferred energy source is glucose. The key is to provide the brain with glucose without raising glucose/serum blood level. You do that by avoiding sugar and eating complex carbohydrates (fresh produce) that convert into glucose.
The important factors seem to be: #1/MR6 (Creativity.self.rating, Time.Bitcoin, Time.Backups, Time.Blackmarkets, Gwern.net.linecount.log), #2/MR1 (Time.PDF, Time.Stats), #7/MR7 (Time.Writing, Time.Sysadmin, Time.Programming, Gwern.net.patches.log), and #8/MR8 (Time.States, Time.SRS, Time.Sysadmin, Time.Backups, Time.Blackmarkets). The rest seem to be time-wasting or reflect dual n-back/DNB usage (which is not relevant in the LLLT time period).
Here’s a thing or two you should know about your brain, so you can have a better understanding of natural brain supplements. This is the most important organ in our body that controls every single action we take. On the other hand, this importance comes at the huge price for our body’s energy levels. Our brain usually requires up to 20% of the body’s energy to function properly. The energy consumption can easily rise above 60%, if your brain engages in a series of intense mental activities.

Brain Pill™ is a mental health enhancing and successfully marketed dietary supplement with a balanced composition of scientifically proven nutrients for accelerating and restoring brain function and thereby enhancing the cognitive performance and creating positive impact on behavioral outcomes.Hence the aim of the study is assessment of the effects of Brain Pill supplementation on memory performance in healthy adults with subjective memory complaints.
Talk to your doctor, too, before diving in "to ensure that they do not conflict with current meds or cause a detrimental effect," Hohler says. You also want to consider what you already know about your health and body – if you have anxiety or are already sensitive to caffeine, for example, you may find that some of the supplements work a little too well and just enhance anxiety or make it difficult to sleep, Barbour says. Finances matter, too, of course: The retail price for Qualia Mind is $139 for 22 seven-capsule "servings"; the suggestion is to take one serving a day, five days a week. The retail price for Alpha Brain is $79.95 for 90 capsules; adults are advised to take two a day.
Modafinil, also known as Provigil, Modalert, and Alertec, was originally made and marketed for sleep disorders, and has been prescribed in the US for this reason since 1998. It was found only by chance to help with focus and concentration, and it is only approved for the treatment of narcolepsy, shift work sleep disorder, and obstructive sleep apnea.
These actually work! I purchased these because of some focus and clarity issues. I like that there are two formulas, one for morning and one for night, and that they both help with the appropriate things at the appropriate times. The pills are easy to take, and not too large, which I have found to be an issue with some other supplements. They are capsules with what appears to be powder in them and appear to be well-made. There is no funky after taste or after effects. When several other natural approaches have not worked, these did, and the wait to see a difference was not long at all! The increase in focus and clarity and even some energy was evident within 2 days. They also come in 60 count bottles, so if you only take 1 per day, they will last 2 months!! I am incredibly impressed with these supplements and will likely be ordering them again.
My predictions were substantially better than random chance7, so my default belief - that Adderall does affect me and (mostly) for the better - is borne out. I usually sleep very well and 3 separate incidents of horrible sleep in a few weeks seems rather unlikely (though I didn’t keep track of dates carefully enough to link the Zeo data with the Adderall data). Between the price and the sleep disturbances, I don’t think Adderall is personally worthwhile.
It’s basic economics: the price of a good must be greater than cost of producing said good, but only under perfect competition will price = cost. Otherwise, the price is simply whatever maximizes profit for the seller. (Bottled water doesn’t really cost $2 to produce.) This can lead to apparently counter-intuitive consequences involving price discrimination & market segmentation - such as damaged goods which are the premium product which has been deliberately degraded and sold for less (some Intel CPUs, some headphones etc.). The most famous examples were railroads; one notable passage by French engineer-economist Jules Dupuit describes the motivation for the conditions in 1849:

I split the 2 pills into 4 doses for each hour from midnight to 4 AM. 3D driver issues in Debian unstable prevented me from using Brain Workshop, so I don’t have any DNB scores to compare with the armodafinil DNB scores. I had the subjective impression that I was worse off with the Modalert, although I still managed to get a fair bit done so the deficits couldn’t’ve been too bad. The apathy during the morning felt worse than armodafinil, but that could have been caused by or exacerbated by an unexpected and very stressful 2 hour drive through rush hour and multiple accidents; the quick hour-long nap at 10 AM was half-waking half-light-sleep according to the Zeo, but seemed to help a bit. As before, I began to feel better in the afternoon and by evening felt normal, doing my usual reading. That night, the Zeo recorded my sleep as lasting ~9:40, when it was usually more like 8:40-9:00 (although I am not sure that this was due to the modafinil inasmuch as once a week or so I tend to sleep in that long, as I did a few days later without any influence from the modafinil); assuming the worse, the nap and extra sleep cost me 2 hours for a net profit of ~7 hours. While it’s not clear how modafinil affects recovery sleep (see the footnote in the essay), it’s still interesting to ponder the benefits of merely being able to delay sleep19.


All clear? Try one (not dozens) of nootropics for a few weeks and keep track of how you feel, Kerl suggests. It’s also important to begin with as low a dose as possible; when Cyr didn’t ease into his nootropic regimen, his digestion took the blow, he admits. If you don’t notice improvements, consider nixing the product altogether and focusing on what is known to boost cognitive function – eating a healthy diet, getting enough sleep regularly and exercising. "Some of those lifestyle modifications," Kerl says, "may improve memory over a supplement."
The advantage of adrafinil is that it is legal & over-the-counter in the USA, so one removes the small legal risk of ordering & possessing modafinil without a prescription, and the retailers may be more reliable because they are not operating in a niche of dubious legality. Based on comments from others, the liver problem may have been overblown, and modafinil vendors post-2012 seem to have become more unstable, so I may give adrafinil (from another source than Antiaging Central) a shot when my modafinil/armodafinil run out.
The Blood Brain Barrier (BBB) is similar in structure to the intestinal barrier (6) and is usually highly selective, allowing certain required metabolic products such as short chain fatty acids and amino acids to pass into the brain from our wider circulation but protecting the brain from potentially damaging components. When the BBB is compromised, unwanted translocation may occur such as allowing a bacterial invasion, which can alter the function of immune cells that are responsible for regulating inflammation. Chronic inflammation is associated with many mental and physical health problems, so it is therefore suggested that poor gut health can have a direct correlation to poor mental wellbeing, as a result of a compromised intestinal barrier and the negative impact this has on our brain’s own structural barrier (BBB) and resulting inflammation.
I have been taking these supplements for almost three weeks now. What I have noticed is there is a marked difference in the decrease of my daily brain fog. This was huge for me! However, I gave the product 4 stars because of my concern about the high count of vitamin B6. I think this should have been addressed in a disclaimer for concerned consumers
Seriously. Every single thing you experience comes through your brain. It create the fabric of your reality, and by the same token, the energy your brain makes is what allows you to shape that reality. Work, relationships, success, happiness — everything depends on your brain, and building a stronger one will trigger upgrades that extend across every aspect of your life.
Maybe you are you new to nootropics? The word, “Nootropic” is a very broad term describing a supplement or drug that increases mental performance. There are several different groups of nootropics including herbal supplements and a class of research chemicals known as racetams. Below are some of the many common benefits that may potentially be experienced with nootropic supplements.
Too much caffeine may be bad for bone health because it can deplete calcium. Overdoing the caffeine also may affect the vitamin D in your body, which plays a critical role in your body’s bone metabolism. However, the roles of vitamin D as well as caffeine in the development of osteoporosis continue to be a source of debate. Significance: Caffeine may interfere with your body’s metabolism of vitamin D, according to a 2007 Journal of Steroid Biochemistry & Molecular Biology study. You have vitamin D receptors, or VDRs, in your osteoblast cells. These large cells are responsible for the mineralization and synthesis of bone in your body. They create a sheet on the surface of your bones. The D receptors are nuclear hormone receptors that control the action of vitamin D-3 by controlling hormone-sensitive gene expression. These receptors are critical to good bone health. For example, a vitamin D metabolism disorder in which these receptors don’t work properly causes rickets.
along with the previous bit of globalization is an important factor: shipping is ridiculously cheap. The most expensive S&H in my modafinil price table is ~$15 (and most are international). To put this in perspective, I remember in the 90s you could easily pay $15 for domestic S&H when you ordered online - but it’s 2013, and the dollar has lost at least half its value, so in real terms, ordering from abroad may be like a quarter of what it used to cost, which makes a big difference to people dipping their toes in and contemplating a small order to try out this ’nootropics thing they’ve heard about.
Alex was eager to dispel the notion that students who took Adderall were "academic automatons who are using it in order to be first in their class". In fact, he said, "it's often people" - mainly guys - "who are looking in some way to compensate for activities that are detrimental to their performance". He explained, "At Harvard, at the most basic level, they aim to do better than they would have otherwise. Everyone is aware that if you were up at 3am writing this paper it isn't going to be as good as it could have been. The fact that you were partying all weekend, or spent the last week being high, watching Lost - that's going to take a toll."
Instead of buying expensive supplements, Lebowitz recommends eating heart-healthy foods, like those found in the MIND diet. Created by researchers at Rush University, MIND combines the Mediterranean and DASH eating plans, which have been shown to reduce the risk of heart problems. Fish, nuts, berries, green leafy vegetables and whole grains are MIND diet staples. Lebowitz says these foods likely improve your cognitive health by keeping your heart healthy.
In addition to diet, there are many other things you can also do related to lifestyle, such as stress management through mindfulness (8) or gentle movement such as pre or post natal yoga (9), which have both shown to be incredibly helpful in encouraging mental wellbeing. If you feel you need extra support, personalised nutritional therapy can be very helpful as there can often be other drivers such as nutrient deficiencies and digestive complaints that can play a significant role in mental health and will need to be addressed in a way that is tailored to the individual. 
I bought 500g of piracetam (Examine.com; FDA adverse events) from Smart Powders (piracetam is one of the cheapest nootropics and SP was one of the cheapest suppliers; the others were much more expensive as of October 2010), and I’ve tried it out for several days (started on 7 September 2009, and used it steadily up to mid-December). I’ve varied my dose from 3 grams to 12 grams (at least, I think the little scoop measures in grams), taking them in my tea or bitter fruit juice. Cranberry worked the best, although orange juice masks the taste pretty well; I also accidentally learned that piracetam stings horribly when I got some on a cat scratch. 3 grams (alone) didn’t seem to do much of anything while 12 grams gave me a nasty headache. I also ate 2 or 3 eggs a day.
1. Stough, C., Lloyd, J., Clarke, J., Downey, L. A., Hutchison, C. W., Rodgers, T., & Nathan, P. J. (2001). The chronic effects of an extract of Bacopa monniera (Brahmi) on cognitive function in healthy human subjects. Psychopharmacology (Berl), 156(4), 481-484. 2. Ishaque, S., Shamseer, L., Bukutu, C., & Vohra, S. (2012). Rhodiola rosea for physical and mental fatigue: a systematic review. BMC Complementary and Alternative Medicine, 12(1), 70. doi:10.1186/1472-6882-12-703. Pase, M. P., Kean, J., Sarris, J., Neale, C., Scholey, A. B., & Stough, C. (2012). The cognitive-enhancing effects of Bacopa monnieri: a systematic review of randomized, controlled human clinical trials. J Altern Complement Med, 18(7), 647-652. doi:10.1089/acm.2011.03674. Raghav, S., Singh, H., Dalal, P. K., Srivastava, J. S., & Asthana, O. P. (2006). Randomized controlled trial of standardized Bacopa monniera extract in age-associated memory impairment. Indian J Psychiatry, 48(4), 238-242. doi:10.4103/0019-5545.315555. Neale, C., Camfield, D., Reay, J., Stough, C., & Scholey, A. (2013). Cognitive effects of two nutraceuticals Ginseng and Bacopa [...]: a review and comparison of effect sizes. British Journal of Clinical Pharmacology, 75(3), 728-737. doi:10.1111/bcp.120026. Prynne, C. J., Thane, C. W., Prentice, A., & Wadsworth, M. E. (2005). Intake and sources of phylloquinone (vitamin K(1)) in 4-year-old British children: comparison between 1950 and the 1990s. Public Health Nutr, 8(2), 171-180.7. Ferland, G. (2012). Vitamin K and the nervous system: an overview of its actions. Adv Nutr, 3(2), 204-212. doi:10.3945/an.111.0017848. Zeidan, Y. H., & Hannun, Y. A. (2007). Translational aspects of sphingolipid metabolism. Trends in molecular medicine, 13(8), 327-336.9. Beulens, J. W., Bots, M. L., Atsma, F., Bartelink, M. L., Prokop, M., Geleijnse, J. M., . . . van der Schouw, Y. T. (2009). High dietary menaquinone intake is associated with reduced coronary calcification. Atherosclerosis, 203(2), 489-493. doi:10.1016/j.atherosclerosis.2008.07.01010. Geleijnse, J. M., Vermeer, C., Grobbee, D. E., Schurgers, L. J., Knapen, M. H., van der Meer, I. M., . . . Witteman, J. C. (2004). Dietary intake of menaquinone is associated with a reduced risk of coronary heart disease: the Rotterdam Study. J Nutr, 134(11), 3100-3105.11. Theuwissen, E., Magdeleyns, E. J., Braam, L. A., Teunissen, K. J., Knapen, M. H., Binnekamp, I. A., . . . Vermeer, C. (2014). Vitamin K status in healthy volunteers. Food Funct, 5(2), 229-234. doi:10.1039/c3fo60464k12. Barros, M. P., Poppe, S. C., & Bondan, E. F. (2014). Neuroprotective properties of the marine carotenoid astaxanthin and omega-3 fatty acids, and perspectives for the natural combination of both in krill oil. Nutrients, 6(3), 1293-1317.13. Pashkow, F. J., Watumull, D. G., & Campbell, C. L. (2008). Astaxanthin: a novel potential treatment for oxidative stress and inflammation in cardiovascular disease. Am J Cardiol, 101(10a), 58d-68d. doi:10.1016/j.amjcard.2008.02.01014. Annweiler, C., Schott, A. M., Berrut, G., Chauvire, V., Le Gall, D., Inzitari, M., & Beauchet, O. (2010). Vitamin D and ageing: neurological issues. Neuropsychobiology, 62(3), 139-150. doi:10.1159/00031857015. Brown, J., Bianco, J. I., McGrath, J. J., & Eyles, D. W. (2003). 1,25-dihydroxyvitamin D3 induces nerve growth factor, promotes neurite outgrowth and inhibits mitosis in embryonic rat hippocampal neurons. Neurosci Lett, 343(2), 139-143.16. Naveilhan, P., Neveu, I., Wion, D., & Brachet, P. (1996). 1,25-Dihydroxyvitamin D3, an inducer of glial cell line-derived neurotrophic factor. Neuroreport, 7(13), 2171-2175.17. Tangpricha, V., Pearce, E. N., Chen, T. C., & Holick, M. F. (2002). Vitamin D insufficiency among free-living healthy young adults. Am J Med, 112(8), 659-662.18. Annweiler, C., Allali, G., Allain, P., Bridenbaugh, S., Schott, A. M., Kressig, R. W., & Beauchet, O. (2009). Vitamin D and cognitive performance in adults: a systematic review. European Journal of Neurology, 16(10), 1083-1089. doi:10.1111/j.1468-1331.2009.02755.x19. Annweiler, C., Montero-Odasso, M., Llewellyn, D. J., Richard-Devantoy, S., Duque, G., & Beauchet, O. (2013). Meta-analysis of memory and executive dysfunctions in relation to vitamin D. J Alzheimers Dis, 37(1), 147-171. doi:10.3233/jad-13045220. Balion, C., Griffith, L. E., Strifler, L., Henderson, M., Patterson, C., Heckman, G., . . . Raina, P. (2012). Vitamin D, cognition, and dementia A systematic review and meta-analysis. Neurology, 79(13), 1397-1405.21. Dean, A. J., Bellgrove, M. A., Hall, T., Phan, W. M. J., Eyles, D. W., Kvaskoff, D., & McGrath, J. J. (2011). Effects of Vitamin D Supplementation on Cognitive and Emotional Functioning in Young Adults – A Randomised Controlled Trial. PLoS One, 6(11), e25966. doi:10.1371/journal.pone.002596622. Etgen, T., Sander, D., Bickel, H., Sander, K., & Forstl, H. (2012). Vitamin D deficiency, cognitive impairment and dementia: a systematic review and meta-analysis. Dement Geriatr Cogn Disord, 33(5), 297-305. doi:10.1159/00033970223. Fontani, G., Corradeschi, F., Felici, A., Alfatti, F., Migliorini, S., & Lodi, L. (2005). Cognitive and physiological effects of Omega-3 polyunsaturated fatty acid supplementation in healthy subjects. Eur J Clin Invest, 35(11), 691-699. doi:10.1111/j.1365-2362.2005.01570.x24. Huhn, S., Masouleh, S. K., Stumvoll, M., Villringer, A., & Witte, A. V. (2015). Components of a Mediterranean diet and their impact on cognitive functions in aging. Frontiers in aging neuroscience, 7.25. Bradbury, J. (2011). Docosahexaenoic Acid (DHA): An Ancient Nutrient for the Modern Human Brain. Nutrients, 3(5), 529-554. doi:10.3390/nu305052926. Einother, S. J., & Giesbrecht, T. (2013). Caffeine as an attention enhancer: reviewing existing assumptions. Psychopharmacology (Berl), 225(2), 251-274. doi:10.1007/s00213-012-2917-427. Johnson, L. C., Spinweber, C. L., & Gomez, S. A. (1990). Benzodiazepines and caffeine: effect on daytime sleepiness, performance, and mood. Psychopharmacology (Berl), 101(2), 160-167. 28. Smith, A., Kendrick, A., Maben, A., & Salmon, J. (1994). Effects of breakfast and caffeine on cognitive performance, mood and cardiovascular functioning. Appetite, 22(1), 39-55. doi:10.1006/appe.1994.100429. Smith, A. P., Kendrick, A. M., & Maben, A. L. (1992). Effects of breakfast and caffeine on performance and mood in the late morning and after lunch. Neuropsychobiology, 26(4), 198-204. doi:11892030. Smith, B. D., Davidson, R. A., & Green, R. L. (1993). Effects of caffeine and gender on physiology and performance: further tests of a biobehavioral model. Physiol Behav, 54(3), 415-422. 31. Warburton, D. M. (1995). Effects of caffeine on cognition and mood without caffeine abstinence. Psychopharmacology (Berl), 119(1), 66-70. 32. Wilhelmus, M. M., Hay, J. L., Zuiker, R. G., Okkerse, P., Perdrieu, C., Sauser, J., . . . Silber, B. Y. (2017). Effects of a single, oral 60 mg caffeine dose on attention in healthy adult subjects. J Psychopharmacol, 31(2), 222-232. doi:10.1177/026988111666859333. Fredholm, B. B., Battig, K., Holmen, J., Nehlig, A., & Zvartau, E. E. (1999). Actions of caffeine in the brain with special reference to factors that contribute to its widespread use. Pharmacol Rev, 51(1), 83-133. 34. Borzelleca, J. F., Peters, D., & Hall, W. (2006). A 13-week dietary toxicity and toxicokinetic study with l-theanine in rats. Food Chem Toxicol, 44(7), 1158-1166. doi:10.1016/j.fct.2006.03.01435. Kimura, K., Ozeki, M., Juneja, L. R., & Ohira, H. (2007). L-Theanine reduces psychological and physiological stress responses. Biol Psychol, 74(1), 39-45. doi:10.1016/j.biopsycho.2006.06.00636. Tian, X., Sun, L., Gou, L., Ling, X., Feng, Y., Wang, L., . . . Liu, Y. (2013). Protective effect of l-theanine on chronic restraint stress-induced cognitive impairments in mice. Brain Res, 1503, 24-32. doi:10.1016/j.brainres.2013.01.04837. Unno, K., Fujitani, K., Takamori, N., Takabayashi, F., Maeda, K., Miyazaki, H., . . . Hoshino, M. (2011). Theanine intake improves the shortened lifespan, cognitive dysfunction and behavioural depression that are induced by chronic psychosocial stress in mice. Free Radic Res, 45(8), 966-974. doi:10.3109/10715762.2011.56686938. Unno, K., Tanida, N., Ishii, N., Yamamoto, H., Iguchi, K., Hoshino, M., . . . Yamada, H. (2013). Anti-stress effect of theanine on students during pharmacy practice: positive correlation among salivary alpha-amylase activity, trait anxiety and subjective stress. Pharmacol Biochem Behav, 111, 128-135. doi:10.1016/j.pbb.2013.09.00439. Dodd, F. L., Kennedy, D. O., Riby, L. M., & Haskell-Ramsay, C. F. (2015a). A double-blind, placebo-controlled study evaluating the effects of caffeine and L-theanine both alone and in combination on cerebral blood flow, cognition and mood. Psychopharmacology (Berl), 232(14), 2563-2576. doi:10.1007/s00213-015-3895-040. Rogers, P. J., Smith, J. E., Heatherley, S. V., & Pleydell-Pearce, C. W. (2008). Time for tea: mood, blood pressure and cognitive performance effects of caffeine and theanine administered alone and together. Psychopharmacology (Berl), 195(4), 569-577. doi:10.1007/s00213-007-0938-141. Foxe, J. J., Morie, K. P., Laud, P. J., Rowson, M. J., de Bruin, E. A., & Kelly, S. P. (2012). Assessing the effects of caffeine and theanine on the maintenance of vigilance during a sustained attention task. Neuropharmacology, 62(7), 2320-2327. doi:10.1016/j.neuropharm.2012.01.02042. Giesbrecht, T., Rycroft, J. A., Rowson, M. J., & De Bruin, E. A. (2010). The combination of L-theanine and caffeine improves cognitive performance and increases subjective alertness. Nutr Neurosci, 13(6), 283-290. doi:10.1179/147683010x1261146076484043. Haskell, C. F., Kennedy, D. O., Milne, A. L., Wesnes, K. A., & Scholey, A. B. (2008). The effects of L-theanine, caffeine and their combination on cognition and mood. Biol Psychol, 77(2), 113-122. doi:10.1016/j.biopsycho.2007.09.00844. Kahathuduwa, C. N., Dassanayake, T. L., Amarakoon, A. M., & Weerasinghe, V. S. (2016). Acute effects of theanine, caffeine and theanine-caffeine combination on attention. Nutr Neurosci. doi:10.1080/1028415x.2016.114484545. Owen, G. N., Parnell, H., De Bruin, E. A., & Rycroft, J. A. (2008). The combined effects of L-theanine and caffeine on cognitive performance and mood. Nutr Neurosci, 11(4), 193-198. doi:10.1179/147683008x30151346. Einother, S. J., Martens, V. E., Rycroft, J. A., & De Bruin, E. A. (2010). L-theanine and caffeine improve task switching but not intersensory attention or subjective alertness. Appetite, 54(2), 406-409. doi:10.1016/j.appet.2010.01.00347. Deijen, J. B., van der Beek, E. J., Orlebeke, J. F., & van den Berg, H. (1992). Vitamin B-6 supplementation in elderly men: effects on mood, memory, performance and mental effort. Psychopharmacology (Berl), 109(4), 489-496.48. Lewerin, C., Matousek, M., Steen, G., Johansson, B., Steen, B., & Nilsson-Ehle, H. (2005). Significant correlations of plasma homocysteine and serum methylmalonic acid with movement and cognitive performance in elderly subjects but no improvement from short-term vitamin therapy: a placebo-controlled randomized study. Am J Clin Nutr, 81(5), 1155-1162. 49. Bryan, J., Calvaresi, E., & Hughes, D. (2002). Short-term folate, vitamin B-12 or vitamin B-6 supplementation slightly affects memory performance but not mood in women of various ages. J Nutr, 132(6), 1345-1356. 50. Schneider, Z., & Stroinski, A. (1987). Comprehensive B12: chemistry, biochemistry, nutrition, ecology, medicine: Walter de Gruyter.51. Polich, J., & Gloria, R. (2001). Cognitive effects of a Ginkgo biloba/vinpocetine compound in normal adults: systematic assessment of perception, attention and memory. Hum Psychopharmacol, 16(5), 409-416. doi:10.1002/hup.30852. Subhan, Z., & Hindmarch, I. (1985). Psychopharmacological effects of vinpocetine in normal healthy volunteers. Eur J Clin Pharmacol, 28(5), 567-571. 53. Dollins, A. B., Krock, L. P., Storm, W. F., Wurtman, R. J., & Lieberman, H. R. (1995). L-tyrosine ameliorates some effects of lower body negative pressure stress. Physiol Behav, 57(2), 223-230. 54. Shurtleff, D., Thomas, J. R., Schrot, J., Kowalski, K., & Harford, R. (1994). Tyrosine reverses a cold-induced working memory deficit in humans. Pharmacol Biochem Behav, 47(4), 935-941. 55. Brzezinski, A., Vangel, M. G., Wurtman, R. J., Norrie, G., Zhdanova, I., Ben-Shushan, A., & Ford, I. (2005). Effects of exogenous melatonin on sleep: a meta-analysis. Sleep Med Rev, 9(1), 41-50. 56. Ferracioli-Oda, E., Qawasmi, A., & Bloch, M. H. (2013). Meta-Analysis: Melatonin for the Treatment of Primary Sleep Disorders. PLoS One, 8(5), e63773. doi:10.1371/journal.pone.006377357. Inagawa, K., Hiraoka, T., Kohda, T., Yamadera, W., & Takahashi, M. (2006). Subjective effects of glycine ingestion before bedtime on sleep quality. Sleep and Biological Rhythms, 4(1), 75-77. doi:10.1111/j.1479-8425.2006.00193.x58. Bannai, M., Kawai, N., Ono, K., Nakahara, K., & Murakami, N. (2012). The Effects of Glycine on Subjective Daytime Performance in Partially Sleep-Restricted Healthy Volunteers. Front Neurol, 3, 61. doi:10.3389/fneur.2012.0006159. Yamadera, W., Inagawa, K., Chiba, S., Bannai, M., Takahashi, M., & Nakayama, K. (2007). Glycine ingestion improves subjective sleep quality in human volunteers, correlating with polysomnographic changes. Sleep and Biological Rhythms, 5(2), 126-131. doi:10.1111/j.1479-8425.2007.00262.x60. Tuli, H. S., Kashyap, D., Sharma, A. K., & Sandhu, S. S. (2015). Molecular aspects of melatonin (MLT)-mediated therapeutic effects. Life Sci, 135, 147-157. doi:10.1016/j.lfs.2015.06.00461. Herxheimer, A., & Petrie, K. J. (2002). Melatonin for the prevention and treatment of jet lag. Cochrane Database Syst Rev(2), Cd001520. doi:10.1002/14651858.cd00152062. Deng, X., Song, Y., Manson, J. E., Signorello, L. B., Zhang, S. M., Shrubsole, M. J., . . . Dai, Q. (2013). Magnesium, vitamin D status and mortality: results from US National Health and Nutrition Examination Survey (NHANES) 2001 to 2006 and NHANES III. BMC Med, 11(1), 187. doi:10.1186/1741-7015-11-18763. Murck, H., & Steiger, A. (1998). Mg2+ reduces ACTH secretion and enhances spindle power without changing delta power during sleep in men -- possible therapeutic implications. Psychopharmacology (Berl), 137(3), 247-252. 64. Nielsen, F. H., Johnson, L. K., & Zeng, H. (2010). Magnesium supplementation improves indicators of low magnesium status and inflammatory stress in adults older than 51 years with poor quality sleep. Magnes Res, 23(4), 158-168. doi:10.1684/mrh.2010.0220

One might suggest just going to the gym or doing other activities which may increase endogenous testosterone secretion. This would be unsatisfying to me as it introduces confounds: the exercise may be doing all the work in any observed effect, and certainly can’t be blinded. And blinding is especially important because the 2011 review discusses how some studies report that the famed influence of testosterone on aggression (eg. Wedrifid’s anecdote above) is a placebo effect caused by the folk wisdom that testosterone causes aggression & rage!


I can test fish oil for mood, since the other claimed benefits like anti-schizophrenia are too hard to test. The medical student trial (Kiecolt-Glaser et al 2011) did not see changes until visit 3, after 3 weeks of supplementation. (Visit 1, 3 weeks, visit 2, supplementation started for 3 weeks, visit 3, supplementation continued 3 weeks, visit 4 etc.) There were no tests in between the test starting week 1 and starting week 3, so I can’t pin it down any further. This suggests randomizing in 2 or 3 week blocks. (For an explanation of blocking, see the footnote in the Zeo page.)
A key ingredient of Noehr’s chemical “stack” is a stronger racetam called Phenylpiracetam. He adds a handful of other compounds considered to be mild cognitive enhancers. One supplement, L-theanine, a natural constituent in green tea, is claimed to neutralise the jittery side-effects of caffeine. Another supplement, choline, is said to be important for experiencing the full effects of racetams. Each nootropic is distinct and there can be a lot of variation in effect from person to person, says Lawler. Users semi-annonymously compare stacks and get advice from forums on sites such as Reddit. Noehr, who buys his powder in bulk and makes his own capsules, has been tweaking chemicals and quantities for about five years accumulating more than two dozens of jars of substances along the way. He says he meticulously researches anything he tries, buys only from trusted suppliers and even blind-tests the effects (he gets his fiancée to hand him either a real or inactive capsule).
I posted a link to the survey on my Google+ account, and inserted the link at the top of all gwern.net pages; 51 people completed all 11 binary choices (most of them coming from North America & Europe), which seems adequate since the 11 questions are all asking the same question, and 561 responses to one question is quite a few. A few different statistical tests seem applicable: a chi-squared test whether there’s a difference between all the answers, a two-sample test on the averages, and most meaningfully, summing up the responses as a single pair of numbers and doing a binomial test:
The effect? 3 or 4 weeks later, I’m not sure. When I began putting all of my nootropic powders into pill-form, I put half a lithium pill in each, and nevertheless ran out of lithium fairly quickly (3kg of piracetam makes for >4000 OO-size pills); those capsules were buried at the bottom of the bucket under lithium-less pills. So I suddenly went cold-turkey on lithium. Reflecting on the past 2 weeks, I seem to have been less optimistic and productive, with items now lingering on my To-Do list which I didn’t expect to. An effect? Possibly.

Notice that poor diet is not on the list. They recommend active treatment of hypertension, more childhood education, exercise, maintaining social engagement, reducing smoking, and management of hearing loss, depression, diabetes, and obesity. They do not recommend specific dietary interventions or supplements. They estimate that lifestyle interventions “might have the potential to delay or prevent a third of dementia cases.”


Rather than cause addiction, the nootropic choline may help to treat this illness. Choline helps to increase dopamine levels. In cocaine users, for instance, dopamine levels are lowered. Taking choline potentially helps those recovering from cocaine abuse to feel better and experience fewer cravings. Research in this area is limited, but it is promising.[9]
This was so unexpected that I wondered if I had somehow accidentally put the magnesium pills into the placebo pill baggie or had swapped values while typing up the data into a spreadsheet, and checked into that. The spreadsheet accorded with the log above, which rules out data entry mistakes; and looking over the log, I discovered that some earlier slip-ups were able to rule out the pill-swap: I had carelessly put in some placebo pills made using rice, in order to get rid of them, and that led to me being unblinded twice before I became irritated enough to pick them all out of the bag of placebos - but how could that happen if I had swapped the groups of pills?
There are plenty of brain supplements on the market, but none with the same combinations of potent and promising ingredients. If you want to maximize your ability to excel  – at everything you do – your brain must be firing on all cylinders – all day, every day. You must protect and preserve your brain function, as it will diminish – it’s the reality of being human.
[…] The verdict is out on brain health and aging. Scientists now know that memory loss and cognitive decline are not an inevitable part of growing older. In fact, the research proves quite the contrary. You can keep your mind sharp well into old age with a strategy that combines a healthy, active lifestyle with a brain-protecting diet and brain-boosting supplements. […]
Jump up ^ Weyandt LL, Oster DR, Marraccini ME, Gudmundsdottir BG, Munro BA, Zavras BM, Kuhar B (September 2014). "Pharmacological interventions for adolescents and adults with ADHD: stimulant and nonstimulant medications and misuse of prescription stimulants". Psychol. Res. Behav. Manag. 7: 223–249. doi:10.2147/PRBM.S47013. PMC 4164338. PMID 25228824.
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