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7 Natural Nootropics For Better Brain Performance: Which Is Best?

In today’s highly competitive world, popping a pill for extra brain power can be a tempting solution for those needing a quick boost in productivity, or hoping to get the creative juices flowing.

Recent years have seen an enormous spike in demand for neuroenhancers known as nootropics or “smart drugs,” especially among university students during exam time, but also among working professionals with looming deadlines and older folks worried about cognitive decline in advanced age.

In response to this demand, a whole black-market industry has sprung up around prescription medications such as Adderall, Ritalin, and modafinil — powerful, mind-altering drugs intended to treat psychiatric and neurological conditions like attention deficit hyperactivity disorder (

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Bacopa Monnieri

Bacopa monnieri, also known as waterhyssop or brahmi, is a perennial herb native to the wetlands of India and Australia. Used in Ayurveda (traditional Indian medicine) for centuries, Bacopa contains a number of chemical compounds, known collectively as bacosides, which can cross the blood-brain barrier and provide significant neuroprotective and neuroenhancement benefits.[1]

A 2013 neuropharmacological review of Bacopa monnieri at the Pitzer (Claremont) College Department of Neuroscience found that “unlike the potentially addictive and forceful action of widely used psychostimulants,” such as modafinil, long-term moderate use of Bacopa “appears to nourish rather than deplete neurons.”[2] Despite the herb’s slower, gentler influence on the brain than pharmaceutical nootropics, a 2013 meta-analysis published in the British Journal of Clinical Pharmacology has shown chronic Bacopa administration to have an overall greater positive impact on cognitive processes than modafinil, especially in the domain of memory.[3]

“Bacopa could potentially be clinically prescribed as a memory enhancer,” according to a 2012 systematic review carried out at the Swinburne University of Technology’s Center for Human Psychopharmacology in Australia, which analyzed the results of six high-quality, randomized, double-blind, placebo-controlled human trials.[4] More recently, in 2022, an article in the peer-reviewed journal Frontiers in Pharmacology noted that, in addition to memory enhancement, “several therapeutic and laboratory researches have demonstrated the usefulness of Bacopa monnieri in improving intellect and concentration,” and that Bacopa extract “has already been shown to help cognitive performance in adolescents with ADHD.”[1]

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Ginkgo Biloba

Ginkgo biloba, often simply called ginkgo, is a species of tree native to China and a staple of traditional Chinese medicine. Extracts from its leaves contain many bioactive compounds, including ginkgolides and bilobalide, which are considered to exert memory-enhancing,[5] neuroprotective, and neuroregenerative effects[6] by improving blood circulation and assisting the distribution of nutrients and oxygen to the brain.[7]

A systematic review of seven randomized controlled trials by an international team of scientists from India, Israel, and Poland in 2012 reported that despite only “limited evidence” for Ginkgo as a treatment for ADHD (unlike Bacopa monnieri), the plant was nevertheless “found to provide cognitive benefits in patients with

Similarly, as a complementary therapy for ischemic stroke, Ginkgo extract has been observed to “improve neurological function” and “seems generally safe for clinical application,” according to a 2020 systematic review of 15 randomized clinical trials involving more than 1,800 participants.[11]

In early 2022, a comprehensive survey of plant-derived nootropics by a group of Spanish scientists, who analyzed the findings from over 250 research papers published between 2000 and 2021, summarized that “Ginkgo biloba was the most relevant nootropic regarding perceptual and motor functions” — the neurocognitive domain responsible for receiving, interpreting, and using sensory information.[12] Perceptual motor skills include hand-eye coordination, body-eye coordination, auditory language skills, and visual-auditory skills.

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Withania Somnifera

Variously known as ashwagandha and winter cherry, Withania somnifera — another Ayurvedic herb — is an evergreen shrub mainly cultivated in the dry regions of India. Since this adaptogenic herb is already fairly well established as a folk remedy for stress, depression, and anxiety, it is perhaps unsurprising that the same study that assessed Ginkgo biloba to be the best plant-derived nootropic (PDN) for perceptual-motor function-enhancement also evaluated Withania as the most effective PDN for improving social cognition — the ability to process, remember, and use information in social situations.[12] The active phytochemicals in Withania, and the role they play in the herb’s medicinal applications, are not yet clearly understood,[13] but their effects on the brain are well documented.

In 2021, eight scientists from four top U.S. universities noted in a review of 21 nutrients’ effects on cognitive function that Withania has “demonstrated promising results as a safe and effective treatment for improving immediate and general memory, executive function, attention, and information-processing speed” in patients with mild cognitive impairment (MCI).[14] This review — which summarized the findings of nearly 100 research papers from the last 21 years — ultimately found Withania to be one of seven “promising” natural nootropics, thus confirming an earlier (2019) Withania-focused systematic review by Singaporean scientists, who likewise concluded that, “in most instances, W. somnifera extract improved performance on cognitive tasks, executive function, attention, and reaction time,” and “also appears to be well tolerated, with good adherence and minimal side effects.”[15]

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Salvia Officinalis/Lavandulifolia

Salvia officinalis and Salvia lavandulifolia are the botanical names for common sage (the popular culinary herb) and Spanish sage, respectively, which share a similar biochemical composition and have both been used as memory-enhancers since the time of the ancient Greeks.[16] Although Salvia is much less studied than the other natural nootropics listed here, its inclusion in this article is warranted by its most remarkable quality — the rapidity of its action on the brain.

According to Professor David O. Kennedy, director of the Brain, Performance & Nutrition Research Center at Northumbria University in the U.K., a series of human clinical studies have proven a single dose of Salvia extract or essential oil to exhibit significant neuroenhancement benefits almost immediately.[17] A one-off 167mg ethanolic extract of Salvia officinalis improved both memory task and attention task performance in healthy adults for six hours after consumption in one study, while in others, a single 25-50 microliter capsule of Salvia lavandulifolia essential oil — also administered to healthy adults — was seen to increase memory task and executive function task performance, as well as improving levels of subjective alertness, for 2.5 hours after consumption.

Professor Kennedy’s 2019 assessment of Salvia as a “promising” neuroenhancer echoes the findings of an earlier (2017) review by clinical psychologist Dr. Adrian Lopresti, an associate professor at the Murdoch University School of Psychology & Exercise Science in Australia, who judged that, “overall, evidence for the cognitive-enhancing and protective effects of Salvia plants is promising.”[18]

In addition to its nootropic benefits for healthy individuals, Salvia may also be effective in treating patients with neurological disorders. A 2014 systematic review of 16 clinical trials, published in the medical journal CNS Neuroscience & Therapeutics, concluded that “S. officinalis and S. lavandulifolia exert beneficial effects by enhancing cognitive performance both in healthy subjects and patients with dementia or cognitive impairment,” and also vouched for their safety.[19] Scientists believe that the terpenoids contained in Salvia extracts, which possess cholinesterase-inhibiting abilities, may account for its potential in this regard.[12]

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Curcuma Longa

Commonly known as turmeric, Curcuma longa is a flowering plant of the ginger family with a long history of culinary use as a spice. Curcuma — and its main active ingredient, curcumin — has become a subject of study for its neurocognitive influence because Indians, who eat a turmeric-rich curry diet, are more than four times less likely to develop Alzheimer’s disease than Westerners.[20]

Like Withania somnifera, Curcuma is primarily recognized as an anxiolytic and mood-stabilizing nootropic useful in treating anxiety and depression.[12] “Nonetheless, extensive research demonstrates curcumin’s potential for being a key neuroprotective agent and beneficial for cognitive function in healthy adults and those with AD or dementia, based on its ability to […] reduce the effects of oxidative stress and decrease inflammation,” according to a 2021 study by scientists at

Rhodiola Rosea

Rhodiola rosea or roseroot is a perennial flowering plant that grows naturally at high altitudes in the colder climes. As an adaptogen — much like Withania somnifera, Ginkgo biloba, and Bacopa monnieri — Rhodiola contributes to better mental performance primarily by fortifying the brain against physical, chemical, and biological stressors.[23] The main bioactive compound responsible for this effect is salidroside, a glucoside with known antioxidative and neuroprotective qualities.[24]

In a 2022 study backed by the Spanish Ministry of Science & Innovation, the authors concluded that the complete body of clinical and preclinical research to date has “undoubtedly validated” the herb’s centuries-long history of use as an “an effective psychostimulant, general strengthener, and an anti-stress agent […] for enhancing mental and physical performance, decreasing symptoms of fatigue and depression, increasing work productivity, and providing antioxidant and anti-inflammatory effects.”[25]

Another study, published in 2020, with funding support from the Italian Ministry of Health, also gave a positive evaluation of Rhodiola as an adaptogen, praising especially its “remarkable multi-target activities” and “remarkable anti-stress effects.”[26] Moreover, the authors noted that Rhodiola is not only “generally evidenced to be safe, with no acute and chronic toxicity,” but, when administered in combination with certain pharmaceutical antidepressants, actually “leads to a marked reduction in the side effects of the drugs, while producing additional beneficial effects on depressive symptoms,” and therefore ought to be “considered as an adjunct to standard antidepressant drugs which possess side effects related to mitochondrial toxicity.”

Unsurprisingly, Rhodiola was one of the seven nutrients (along with Bacopa monnieri, Curcuma longa, and Withania somnifera) that made it into the “promising” category — out of the 21 nutrients reviewed for their influence on cognitive function — in the aforementioned American study by scientists from top U.S. universities, based on 21 years of human clinical trials.[14] The authors of that study concluded that “Rhodiola rosea offers promise as a treatment for anxiety, stress, and fatigue in healthy adults and as a possible enhancer of mood, mental performance, and cognition,” and “also appears to be safe for human consumption with little to no adverse effects.”

In a similar vein, a scientific review carried out in 2010 by researchers at the Swedish Herbal Institute and the Department of Psychiatry at the University of Melbourne in Australia found “robust traditional and pharmacological evidence” that long-term ingestion of Rhodiola extract “exerts an anti-fatigue effect that increases mental performance (particularly the ability to concentrate in healthy subjects), and reduces burnout in patients with fatigue syndrome.”[27] Furthermore, Rhodiola’s clinically demonstrated lack of interaction with other drugs and adverse side effects “make it potentially attractive for use as a safe medication.”

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Panax Ginseng/Quinquefolius

Panax ginseng(Asian ginseng) and its occidental cousin, Panax quinquefolius (American ginseng), are plants native to the mountainous regions of eastern Asia and the forests of Appalachia, respectively. Panax (of both varieties) is yet another example of an adaptogenic herb; it has been used as such in traditional Chinese medicine and by Native-American healers for generations, and today is often marketed as a vital herb with anti-aging properties.

Panax is rich in steroidal saponins known as ginsenosides — the biochemical compounds mainly responsible for the root extract’s neuroprotective effects.[28] “Multiple clinical, as well as translational studies, have demonstrated the effectiveness of ginseng in various neurological disorders, both acute (ischemic and hemorrhagic stroke, TBI) and chronic (Alzheimer, Huntington, and Parkinson) diseases,” according to a 2015 article in Frontiers in Cellular Neuroscience by scientists at the

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So, Which Is Best?

Of all the botanical nootropics listed above, Ginkgo biloba and Bacopa monnieri are by far the most extensively studied for their cognitive enhancement abilities — although that doesn’t necessarily mean they’re the best of the bunch. Others, such as Salvia officinalis/lavandulifolia and Panax ginseng/quinquefolius, while less studied, show promise as rapid neuroenhancers, for example; whereas other, more established herbal nootropics typically only yield benefits after a period of prolonged use.

Deciding which of these natural brain-boosters is best for you also depends largely on the neurocognitive domains (NCDs) where you’d most like to see improvements. For instance, an athlete might favor Ginkgo biloba for its superiority in the realm of perceptual-motor function (which includes hand-eye coordination), while a teacher might opt instead for Withania somnifera because it better supports social cognition — the NCD most relevant to communication skills. Curcuma longa, on the other hand, appears to be the best choice for general, long-term brain health and performance, without necessarily providing specific or tangible benefits in the short-to-medium term.

Best plant-derived nootropics (PDNs) by neurocognitive domain:

  • Perceptual-motor function: Ginkgo biloba
  • Language, learning & memory: Bacopa monnieri
  • Social cognition: Withania somnifera

Best PDNs for quick results: Salvia officinalis/lavandufolia & Panax ginseng/quinquefolius

Best PDN for overall brain health: Curcuma longa

Best PDN for fatigue: Rhodiola rosea

Another consideration is whether and how to combine herbal nootropics — a practice known as “stacking.” Clinical data indicates that Ginkgo biloba and Panax ginseng pair particularly well together; a 2019 systematic review of eight “high quality and robust” studies by psychologists from Teesside University in the U.K. showed that “a Panax ginseng/Ginkgo biloba combination treatment can modulate cognitive function, with the strongest and most consistent effect being one of improved ‘secondary memory’ performance,” and presented “direct evidence to suggest that a combination treatment can produce a stronger and more persistent effect than either Panax ginseng (G115) or Ginkgo biloba (GK501) ingested alone.”[34]

As always, however, it’s necessary to speak to your doctor before taking any kind of nootropic or other supplements — even non-pharmaceutical ones, as these can still interact with medications or nutraceuticals you’re already taking, or negatively impact a pre-existing medical condition.



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