Nooceptin Review 2026
James BevanUpdated October 19, 2026
Nooceptin prints all 7 of its amounts, and four of its five plant extracts say how strong they are, which most brands don't. But are the amounts inside big enough to do anything, and how does it compare with the rest of what you can buy? To find out, we've examined all 7 ingredients against the published studies and gone through what expert reviewers and buyers think of it.
Quick verdict
- Price per serving
- $2.23
- Doses in range
- 1 of 7
- Caffeine
- None
- Money-back guarantee
- None
- Third-party testing
- Unverified, no independent verification
- Servings per bottle
- 30
68 cents a day less than our picks at the studied doses, see the list
Scored higher with similar ingredients
- Transparent Labs CognitionAudit rating 7.8/10
4 of 6 ingredients at studied amounts
Shares 3 ingredients with Nooceptin
Check price$1.67 a day
4.9/5 from 66 buyers (brand site)
- VyvamindAudit rating 6.4/10
2 of 4 ingredients at studied amounts
Shares 2 ingredients with Nooceptin
Check price$2.33 a day
3.9/5 from 79 Amazon buyers
We may earn a commission from links on this page, at no extra cost to you. How we make money
In this review
What's good, and what isn't
Pros
- Theanine (200 mg) is within the doses used in studies that showed a benefit, and the rhodiola is the studied 3% rosavin strength, 20 mg short
- The lion's mane is fruiting body, the part the trials used, and the bacopa and ginkgo extracts match the trial standardizations
- $2.23 a serving from nooceptin.com. The brand's own Amazon store was cheaper when we checked
Cons
- Citicoline is about 59 mg short once the sodium in its salt is counted, ginkgo and rhodiola 20 mg short each, bacopa 100 mg short and lion's mane 1,400 mg short of the doses we use as benchmarks
- No third-party testing claimed or published, and no trial of the product
- Returns cover unused bottles only on the website, and the Amazon listing is non-returnable
What our audit uncovered
We checked Nooceptin's label, claims and store terms, and these are the findings that matter most if you're buying.
No testing claim and no lab report
Nooceptin's pages don't claim third-party testing or publish a lab report, and the product isn't listed by NSF or USP.2324
Lion's mane is 400 mg against 1,800 mg
The first ingredient on the label comes in at under a quarter of the amount used in the studies.8
Every amount is printed, but not the ginseng's strength
All seven doses are on the panel and four of the five plant extracts give their strength, but the ginseng doesn't, so it earns half credit.1
The buyer rating is the brand's own
The 4.6 from 845 reviews comes from the brand's own widget, while its Amazon listing has 15 ratings averaging 4.1.26
Returns are for unopened bottles only
The refund policy covers unused items in their original packaging within 30 days.4
Why Nooceptin scored 5.9 out of 10
- Dose fit40%69
Theanine sits inside the doses used in studies that showed a benefit. Citicoline, ginkgo, rhodiola and bacopa fall short by about 59 mg, 20 mg, 20 mg and 100 mg, lion's mane by 1,400 mg, and the ginseng earns half credit because its standardization isn't stated.
- Evidence30%44
Evidence only counts in full when the dose matches the studies. Lion's mane has 22 percent of the 1,800 mg dose that showed a benefit, so it earns 22 percent of the credit, and its evidence is preliminary to begin with.
- Transparency20%90
Every dose is printed and four of the five plant extracts carry a standardization. The ginseng doesn't, and the brand's formula page omits the rhodiola dose and the serving size that the label carries.
- Testing10%0
Nooceptin's pages make no third-party testing claim and publish no lab report. No lab is named, and the product isn't listed by NSF or USP.
Worked out under method audit-v2.0. How the rating is built
Score history
Oct 21, 2026 Rating raised (5.8 to 5.9)
A new transparency rubric credits its standardized extracts, which outweighed rhodiola's benchmark rising to 170 mg and citicoline being counted without its sodium.
Oct 21, 2026 Corrections after a check against the sources
We fixed several statements, including how many ingredients fall short of the studies and which trial each dose card cites.
Oct 21, 2026 Citicoline shown as the active amount
The label's 200 mg is citicoline sodium, which supplies about 191 mg of citicoline, so the dose card now shows both figures.
Oct 21, 2026 Buyer rating taken from one source
Its Amazon listing has fewer than 50 ratings, our minimum, so the figure shown is the larger count on nooceptin.com, labeled as brand-collected.
Oct 20, 2026 Rating lowered (5.9 to 5.8)
We graded the research behind citicoline down to preliminary after reviewing its trials, which cut the evidence points it earns.
Oct 19, 2026 Label and price re-checked
All seven doses and extract strengths matched the earlier audit.
Aug 26, 2026 Rated under our current four-factor method (5.9)
Every product was rescored when the method changed, so all ratings on the site are worked out the same way.
Aug 19, 2026 First audit published
We checked the label, compared each dose with the human research and published the review.
Nooceptin's 5.9 comes from several small misses rather than one bad ingredient. Every plant extract except ginseng tells you how strong it is, and the rhodiola is the right kind. Five of the seven main ingredients stop below the doses we use as benchmarks. Lion's mane, at 400 mg, is the furthest from its studies, and ginseng can earn only half credit because its strength isn't stated.
The fixes wouldn't cost much. About 59 mg more citicoline, 20 mg more ginkgo, 20 mg more rhodiola and 100 mg more bacopa per serving would put six of the seven main ingredients inside the amounts used in studies. At the brand's Amazon price, those extra milligrams cost cents. Outside testing is the other weakness. The site doesn't say an outside lab checks the product, and one published lab report would fill that empty part of the score.
The claims, checked


We checked the official facts panel, which is the only complete list of what's in the bottle. The brand's ingredients page repeats six of the seven doses but leaves out the rhodiola amount, serving size and capsule ingredients,3 so our checks use the panel.1 All seven ingredients add up to exactly the 1,400 mg printed on the bottle front. Spread across three capsules of about 470 mg each, that amount fits.
The capsules contain cellulose, silicon dioxide and hypromellose, with nothing else listed. There is no lot number or testing mark anywhere on the label. The homepage says "Made in an FDA Inspected Facility," but it never identifies where that facility is.2
“7 Clinically Proven Ingredients For Peak Cognitive Performance”
PartlyThe homepage leads with that line. Beneath it sits a "Neuroscientist Approved" endorsement from "Dr Olivia Levine (PhD) Neuroscientist."2 There is no study of Nooceptin itself, and a PubMed search for the product returns nothing.7 The proof offered comes from studies of the individual ingredients, which any brand using them can cite. Five of Nooceptin's seven ingredients come in below the amounts those studies used. The endorsement gives no workplace or publications for Dr Levine, and we couldn't find a neuroscientist by that name to check.
“Nooceptin is not available on any 3rd party retailers.”
Doesn't hold upThe page says this,2 but Nooceptin is sold through the brand's own Amazon store under the seller name SAPNutrition. When we checked, one bottle cost less there than on the page making the claim.6 The same homepage even links to that Amazon listing in its footer. The cheapest place to buy Nooceptin is therefore a store its sales page says doesn't exist.
“Your satisfaction is guaranteed, so there's no risk in giving it a try.”
Doesn't hold upThe homepage promises this, but its refund policy allows a 30-day return only for items that are "unused" and "in its original packaging," while listing "personal care goods" as non-returnable.4 You can't open a bottle, try it and send it back. Amazon is more direct. Its listing says "Non-returnable due to Food safety reasons."6 Neither option gives you a trial.
“4.6 (845 Reviews)”
Partly“formulated with carefully researched and tested, high-quality, natural ingredients”
UnverifiedThe homepage FAQ says this, and it's the closest Nooceptin comes to a testing claim.2 There's no "third-party tested" badge, no lab report and no named lab, and the product appears in neither the NSF nor USP listings.2324 Nothing about the finished capsules has been independently verified, which is why verification scores zero.
What's inside, audited
7 ingredients checked, 1 within range, 5 short, 1 above the range or at half credit.
Within range (L-theanine). Short (citicoline, rhodiola, bacopa, ginkgo, lion's mane). Above the range or at half credit (ginseng).
Moderate evidence
Doses used in studies that showed a benefit
Nooceptin has 200 mg, inside the 100 mg to 400 mg used in studies that showed a benefit.31
Study dose benchmark from Dassanayake 2023, One dose of 100, 200 or 400 mg31
Theanine is the one ingredient Nooceptin gets fully right, with enough to clear the study dose we use as its benchmark. The 200 mg is the single dose that sped up choice reaction time in a 2026 analysis of 31 randomized trials.13 It's also the daily amount in a four-week trial of 30 adults, where verbal fluency and executive function scores rose, but only verbal fluency, in the people who started lowest, beat placebo.14
3% rosavins, 1% salidroside · Moderate evidence
Doses used in studies that showed a benefit
Nooceptin has 150 mg. The study dose we use as this ingredient's benchmark is 170 mg, so it's 20 mg short.32
Study dose benchmark from Darbinyan 2000, 170 mg a day, 2 weeks32
Rhodiola comes close. It comes in at 150 mg, with 3 percent rosavin and 1 percent salidroside, which matches the strength of the SHR-5 extract used in studies. That's 20 mg under the 170 mg a day we use as the benchmark, from a two-week trial in physicians on night duty.32 A 20-day study of 100 mg in students during exams reported less mental fatigue, though its authors called that dose probably too low,17 and the highest dose in these trials was 576 mg a day, used for four weeks in adults with stress-related fatigue.18
citicoline sodium (generic) · Preliminary evidence
Doses used in studies that showed a benefit
Nooceptin has about 191 mg (200 mg citicoline sodium on the label). The study dose we use as this ingredient's benchmark is 250 mg, so it's 59 mg short.10
Study dose benchmark from McGlade 2012, 250 or 500 mg a day, 28 days10
Citicoline comes in at 200 mg of citicoline sodium, which supplies about 191 mg of citicoline, about 59 mg less than 250 mg, the study dose we use as that ingredient's benchmark. That 250 mg mark rests on thin evidence anyway. One small trial involved 60 women aged 40 to 60,10 while another pooled its 250 mg and 500 mg groups in teenage boys.11 The clearer adult result came from 500 mg a day for 12 weeks in adults over 50 with memory complaints, though that trial missed its main memory measure and its gain came on a secondary test.12 Against that study, the gap is nearer 300 mg than 59. The figures here count the citicoline in the salt, not the salt's weight.
24% glycosides, 6% terpene lactones · Moderate evidence
Doses used in studies that showed a benefit
Nooceptin has 100 mg. The study dose we use as this ingredient's benchmark is 120 mg, so it's 20 mg short.30
Study dose benchmark from Le Bars 1997, 120 mg a day, 52 weeks30
Ginkgo is one of two frustrating ingredients, because the extract has the right strength but doesn't reach the amount used in the studies. It's a 24 percent glycoside, 6 percent terpene lactone extract at 100 mg, which is 20 mg less than the 120 mg starting point. Its reputation is also stronger than its evidence. The clearest trial used 240 mg a day in people with mild to moderate dementia,21 and a 2012 analysis of trials in healthy people found no effect on memory, attention or executive function at any dose.22
40% bacosides · Strong evidence
Doses used in studies that showed a benefit
Nooceptin has 150 mg. The study dose we use as this ingredient's benchmark is 250 mg, so it's 100 mg short.29
Study dose benchmark from Raghav 2006, 125 mg twice a day, 12 weeks29
Bacopa has the same problem. It provides 150 mg of a 40 percent bacoside extract. That's 150 mg less than the 300 mg extracts used in the 12-week trials.1920 A serving therefore contains about 60 mg of bacosides, compared with 120 mg or more in those studies.
fruiting body, 30% polysaccharides · Preliminary evidence
Doses used in studies that showed a benefit
Nooceptin has 400 mg. The study dose we use as this ingredient's benchmark is 1,800 mg, so it's 1,400 mg short.8
Study dose benchmark from Docherty 2023, 1.8 g, one dose and then 28 days8
Lion's mane is the largest amount on the label and the furthest from the studies. Its 400 mg comes from fruiting body, the part used in the trials. However, a 28-day study in 41 younger adults used 1,800 mg a day and found little beyond a faster Stroop test after the first dose.8 The trial that found a benefit used 3,000 mg a day of tablets, about 2,880 mg of fruiting body powder, for 16 weeks in 30 adults with mild cognitive impairment.9
standardization not stated · Preliminary evidence
Doses used in studies that showed a benefit
Nooceptin has 200 mg, inside the 200 mg to 400 mg used in studies that showed a benefit, but the label doesn't confirm the form or extract those studies tested, so it earns half credit.15
Study dose benchmark from Reay 2005, 200 or 400 mg, single dose15
Panax ginseng is the one ingredient the label leaves uncertain. It provides 200 mg of root extract but doesn't say how strong that extract is. The studies that showed a benefit used the G115 extract at the same 200 mg dose. One dose improved mental arithmetic and reduced mental fatigue in 30 young adults,15 while an eight-day study found "no evidence of additional benefits" from taking it daily.16 We can't tell whether Nooceptin uses a matching extract, so it earns half credit.
One dosing contradiction needs settling before you start. The homepage says "Simply take two capsules a day," while its FAQ says "Take the recommended dosage of 3 capsules daily." The label also says three.2 Taking two cuts every amount above by a third and drops citicoline sodium to 133 mg, about 127 mg of citicoline. Take three.
To be fair, we can put a number on every gap because Nooceptin prints how strong nearly every extract is. Hunter Focus shares all seven of these ingredients without stating the strength of any plant extract, so its bacopa and ginkgo can't be checked at all. Nooceptin's can, and every missing milligram is there on the label for you to see.
Compare it yourself
Nooceptin against its closest matches
| Product | NooceptinThis review | Transparent Labs Cognition | Vyvamind | Mind Lab Pro |
|---|---|---|---|---|
| Audit rating | 5.9/10 | 7.8/10 | 6.4/10 | 5.5/10 |
| Price per serving | $2.23 | $1.67 | $2.33 | $2.30 |
| Doses of Nooceptin's ingredients | ||||
| Citicoline | 191 mg200 mg citicoline sodium on the label59 mg below the study dose benchmark | 250 mgCognizinAt or above the study dose benchmark | 191 mg200 mg citicoline sodium on the label59 mg below the study dose benchmark | 250 mgCognizin (per website, not on label)At or above the study dose benchmark |
| L-Theanine | 200 mgAt or above the study dose benchmark | 100 mgAt or above the study dose benchmark | 150 mgAt or above the study dose benchmark | 100 mgAt or above the study dose benchmark |
| Bacopa Monnieri | 150 mg40% bacosides100 mg below the study dose benchmark | Not in formula | Not in formula | 150 mgfull-spectrum, 24% bacosides100 mg below the study dose benchmark |
| Ginkgo Biloba | 100 mg24% glycosides, 6% terpene lactones20 mg below the study dose benchmark | Not in formula | Not in formula | Not in formula |
| Rhodiola Rosea | 150 mg3% rosavins, 1% salidroside20 mg below the study dose benchmark | 600 mgRhodiolife, 5% rosavins, 1.8% salidrosideAt or above the study dose benchmark | Not in formula | 50 mg3% rosavins, 1% salidrosides120 mg below the study dose benchmark |
| Lion's Mane Mushroom | 400 mgfruiting body, 30% polysaccharides1,400 mg below the study dose benchmark | Not in formula | Not in formula | 500 mgorganic, mycelium and fruit body1,300 mg below the study dose benchmark |
| Panax Ginseng | 200 mgstandardization not statedAt or above the study dose benchmark | Not in formula | Not in formula | Not in formula |
The products that share the most cognitive ingredients with Nooceptin are shown first. Any product sharing at least two can be added.
Mind Lab Pro is the closest caffeine-free match and shares five of Nooceptin's seven main ingredients. It costs a little more a serving than Nooceptin on the brand's site, and more again against Nooceptin's Amazon store. That extra money gets you 250 mg of citicoline, phosphatidylserine instead of ginseng, a batch lab report you can request and a guarantee that still applies after opening the bottle. Nooceptin has 200 mg of theanine against Mind Lab Pro's 100 mg, and its bacopa extract is printed at 40 percent bacosides against Mind Lab Pro's 24 percent, though different assays can give different figures for the same material. Mind Lab Pro doesn't win every row.
Hunter Focus shares all seven ingredients and costs $3.00 a serving. It adds 100 mg of caffeine but doesn't tell you how strong any of its plant extracts are. If caffeine is what you want, Vyvamind is the same company's version, although it shares only citicoline and theanine.
From the brand's Amazon store, which was cheaper than its website when we checked, Nooceptin is the cheapest caffeine-free brain supplement among these matches. At the website's $2.23 a serving, it costs about as much as Mind Lab Pro while offering less.
Price and where to buy
Both prices below cover the same 90-capsule bottle taken at three capsules a day. Two bottles from nooceptin.com bring the cost a serving down, and three reduce it further.2 The brand's own Amazon store, sold by SAPNutrition and shipped by Amazon, charged less for one bottle than either website bundle when we checked, and Subscribe & Save lowers it further.6 Use the Check price on Amazon link for today's figure. We can't explain that price gap.
- nooceptin.com direct
- Listed price
- $67.00
- Per serving
- $2.23
- Status
- In stock
- Amazon (official store)
- Price
- Check price on Amazon
- Status
- In stock, non-returnable
What studied amounts cost separately
Theanine is the one ingredient Nooceptin provides in the right amount, and rhodiola is 20 mg short. All seven are also sold on their own as single-ingredient supplements, so you can take each at the amount the studies started from, including 250 mg of citicoline, 250 mg of bacopa, 120 mg of ginkgo and 1,800 mg of lion's mane fruiting body. Our ginseng pick reaches the 200 mg but isn't G115, the extract the studies used. Our picks price that for each ingredient. These are the products we'd buy on quality rather than the cheapest tubs available.
Lion's mane 1,800 mg
3 capsules of 700 mg, rounded up
Ginseng 200 mg
$0.33 a dayBought separately
$2.91 a day ($87.33 for 30 servings)
Nooceptin at nooceptin.com
$2.23 a day ($67.00 for 30 servings)
Buying separately costs $0.68 a day more ($20.33 for 30 servings).
Nooceptin costs less a day than these picks, and less again from its Amazon store when we checked, but the totals aren't like for like. The picks give you the full studied amount of the five ingredients Nooceptin comes in under, and one serving of Nooceptin doesn't. The picks carry the current figures.
What other reviewers say

SOMA Analytics
Written review · Alex Whybrow · Updated Apr 26, 2024
“I found Nooceptin to be a very effective nootropic. The research behind the ingredients is as good as I have seen, and the impact that it has already had on people's lives is generally very positive indeed.”

Athletic Insight
Written review · Aug 13, 2026
“Nooceptin is an average nootropic supplement for smooth energy and no crashes. But there are better formulas for the price.”

WholisticResearch
Written review · Jacob Kovacs · Sep 9, 2026
“Nooceptin emerges as a brain booster with a solid fan base, and the clinically proven ingredients back up its claims.”
The three reviewers who covered Nooceptin came to very different conclusions. SOMA Analytics gives no score and calls it "a very effective nootropic" after taking it for a month.26 Athletic Insight used it for three months, also gives no score and calls it "an average nootropic supplement." It stopped taking the product because the benefits were "too inconsistent and minor to justify the daily cost."27 WholisticResearch rates it 4.8 out of 5 after several weeks with three testers and credits it with "rigorous third-party testing," something the brand's own site doesn't claim.28
What buyers report
Safety notes
Nooceptin contains no caffeine or other stimulant, so it won't add to your coffee and timing matters less than it would with a caffeinated product. Bacopa is the ingredient most likely to cause trouble through stomach upset at the 300 mg used in trials.19 Nooceptin has 150 mg, and stomach upset is still possible. Lion's mane is a mushroom, so skip it if mushrooms give you trouble. SOMA's suggestion to begin with one capsule and work up to three also makes sense for a serving this size.
If you take regular medication, mention the ginkgo and ginseng to your doctor before starting, because ginseng can interact with diabetes medication, blood thinners and MAO inhibitor antidepressants. If you take levodopa for Parkinson's disease, ask your doctor before taking Nooceptin, because citicoline's prescription label warns that the two interact, as our citicoline guide explains. Neither the website nor Amazon accepts an opened bottle, so don't buy three bottles to learn how you react. Ask a doctor first if you're pregnant or breastfeeding, or if you manage a health condition. We're researchers, not doctors.
Final thoughts
Nooceptin gives you a label that's easy to check, then stops below the study amounts for five of its seven main ingredients. Most extracts tell you how strong they are, and four of those misses could be closed for cents. The company also promotes a guarantee its refund policy doesn't provide, uses an endorsement we couldn't verify and says the product isn't sold elsewhere while linking to its own Amazon store.
At 5.9, it isn't one we'd choose over a better-dosed formula. If you want it anyway, it prints nearly everything needed to check the amounts, and the brand's Amazon store was cheaper than the website when we checked. Either way, take three capsules rather than the two suggested on the homepage, then allow the eight weeks the brand says it needs before judging it.
FAQ
Does Nooceptin contain caffeine?
Is Nooceptin clinically proven?
How many capsules do you take?
Does Nooceptin have a money-back guarantee?
Where can you buy Nooceptin?
How long does Nooceptin take to work?
Nooceptin or Mind Lab Pro?
Is Nooceptin safe?
Sources
32 sources cited
- Nooceptin official supplement facts panel image (3 capsules per serving, 30 servings), accessed Oct 19, 2026. nooceptin.com label image
- nooceptin.com homepage. Prices ($67.00, $120.00, $160.00), "7 Clinically Proven Ingredients", the Dr Olivia Levine endorsement, "not available on any 3rd party retailers", the two-capsule and three-capsule dosage statements, the brand's own review widget. Accessed Oct 19, 2026. nooceptin.com
- Nooceptin formula page, with six of the seven doses as text and no serving size. Accessed Oct 19, 2026. nooceptin.com/pages/nooceptin-formula
- Nooceptin refund policy. 30 days, unused items in original packaging, personal care goods non-returnable. Accessed Oct 19, 2026. nooceptin.com/policies/refund-policy
- Nooceptin terms of service. SAP Nutrition Ltd, governed by the laws of the United Kingdom. Accessed Oct 19, 2026. nooceptin.com/policies/terms-of-service
- Amazon listing B0FZCHBFZB (NOOCEPTIN Store). One-time and Subscribe & Save offers, sold by SAPNutrition and shipped by Amazon, marked non-returnable, 4.1/5 from 15 ratings. Checked with delivery location New York 10001, Oct 19, 2026. amazon.com
- PubMed search "nooceptin", 0 results, run Oct 19, 2026. pubmed.ncbi.nlm.nih.gov
- Docherty S, et al. The acute and chronic effects of lion's mane mushroom supplementation on cognitive function, stress and mood in young adults. Nutrients, 2023. 1,800 mg a day for 28 days, 41 adults aged 18 to 45. PMID 38004235
- Mori K, et al. Improving effects of the mushroom Yamabushitake (Hericium erinaceus) on mild cognitive impairment. A double-blind placebo-controlled clinical trial. Phytother Res, 2009. 3,000 mg a day of tablets made of 96% dried fruiting body powder, about 2,880 mg of powder, for 16 weeks, 30 adults aged 50 to 80. PMID 18844328
- McGlade E, et al. Improved attentional performance following citicoline administration in healthy adult women. Food Nutr Sci, 2012. 250 or 500 mg a day for 28 days, 60 women aged 40 to 60. DOI 10.4236/fns.2012.36103
- McGlade E, et al. The effect of citicoline supplementation on motor speed and attention in adolescent males. J Atten Disord, 2019 (online 2015). 250 or 500 mg a day for 28 days, 75 participants, dose groups pooled. PMID 26179181
- Nakazaki E, et al. Citicoline and memory function in healthy older adults. A randomized, double-blind, placebo-controlled clinical trial. J Nutr, 2021. 500 mg a day for 12 weeks, 100 adults aged 50 to 85. PMID 33978188
- Gerolymos C, et al. Cognitive and affective effects of L-theanine. A systematic review and meta-analysis of 31 randomized trials. Mol Psychiatry, 2026. PMID 42410082
- Hidese S, et al. Effects of L-theanine administration on stress-related symptoms and cognitive functions in healthy adults. A randomized controlled trial. Nutrients, 2019. 200 mg a day for 4 weeks, 30 adults. PMID 31623400
- Reay JL, Kennedy DO, Scholey AB. Single doses of Panax ginseng (G115) reduce blood glucose levels and improve cognitive performance during sustained mental activity. J Psychopharmacol, 2005. 200 or 400 mg, 30 young adults. PMID 15982990
- Reay JL, et al. Panax ginseng (G115) improves aspects of working memory performance and subjective ratings of calmness in healthy young adults. Hum Psychopharmacol, 2010. 200 or 400 mg a day for 8 days, 30 adults, "no evidence of additional benefits" from repeated dosing. PMID 20737519
- Spasov AA, et al. A double-blind, placebo-controlled pilot study of the stimulating and adaptogenic effect of Rhodiola rosea SHR-5 extract on the fatigue of students caused by stress during an examination period. Phytomedicine, 2000. 100 mg a day for 20 days. PMID 10839209
- Olsson EM, et al. A randomised, double-blind, placebo-controlled, parallel-group study of the standardised extract SHR-5 of the roots of Rhodiola rosea in the treatment of subjects with stress-related fatigue. Planta Med, 2009. 576 mg a day for 28 days, 60 adults. PMID 19016404
- Stough C, et al. The chronic effects of an extract of Bacopa monniera (Brahmi) on cognitive function in healthy human subjects. Psychopharmacology, 2001. 300 mg of a standardized extract for 12 weeks. PMID 11498727
- Kongkeaw C, et al. Meta-analysis of randomized controlled trials on cognitive effects of Bacopa monnieri extract. J Ethnopharmacol, 2014. Nine trials of standardized extracts, at least 12 weeks. PMID 24252493
- Herrschaft H, et al. Ginkgo biloba extract EGb 761 in dementia with neuropsychiatric features. A randomised, placebo-controlled trial. J Psychiatr Res, 2012. 240 mg a day for 24 weeks, 402 patients analysed. PMID 22459264
- Laws KR, Sweetnam H, Kondel TK. Is Ginkgo biloba a cognitive enhancer in healthy individuals? A meta-analysis. Hum Psychopharmacol, 2012. No effect on memory, executive function or attention. PMID 23001963
- NSF International. Certified dietary supplement listings, search for Nooceptin. No matching products found. Accessed Oct 19, 2026. info.nsf.org
- USP. USP Verified products, search for Nooceptin. No results found. Accessed Oct 19, 2026. quality-supplements.org
- Trustpilot. No review page exists for nooceptin.com (the address returns Trustpilot's not-found page). Checked Oct 19, 2026. trustpilot.com
- Whybrow A. Nooceptin review. My results after 1 month of testing. SOMA Analytics, updated Apr 26, 2024. No numeric score. Accessed Oct 19, 2026. soma-analytics.com
- Athletic Insight. I Tried Nooceptin & Didn't Like It (2026 Review). Dated Aug 13, 2026. No named author or numeric score. Accessed Oct 19, 2026. shop.athleticinsight.com
- Kovacs J. Nooceptin review. Ingredients, results, safety & value. WholisticResearch, published Sep 9, 2026. Overall rating 4.8 out of 5. Accessed Oct 19, 2026. wholisticresearch.com
- Raghav S, et al. Randomized controlled trial of standardized Bacopa monniera extract in age-associated memory impairment. Indian J Psychiatry, 2006. 125 mg twice a day for 12 weeks, improved mental control, logical memory and paired-associate learning. PMID 20703343
- Le Bars PL, et al. A placebo-controlled, double-blind, randomized trial of an extract of Ginkgo biloba for dementia. JAMA, 1997. EGb 761 at 120 mg a day for 52 weeks in 309 outpatients with Alzheimer's or multi-infarct dementia, ADAS-Cog 1.4 points better than placebo. PMID 9343463
- Dassanayake TL, et al. Dose-response effect of L-theanine on psychomotor speed, sustained attention, and inhibitory control. A double-blind, placebo-controlled, crossover study. Nutr Neurosci, 2023. Single doses of 100, 200 or 400 mg, 32 young adults. PMID 36263942
- Darbinyan V, et al. Rhodiola rosea in stress induced fatigue. A double blind cross-over study of a standardized extract SHR-5 with a repeated low-dose regimen on the mental performance of healthy physicians during night duty. Phytomedicine, 2000. 170 mg a day for two weeks, 56 physicians. PMID 11081987
Where this data comes from
- Third-party testing
- None claimed or published. Not listed by NSF or USP
- Product trials
- None exist. PubMed search returns zero results
Our scoring method, weights, and the rules that keep affiliate money away from scores are documented on the editorial process page.
Top Rated Nootropics is an independent research and review platform. We are passionate supplement researchers, not medical professionals. Always consult a qualified healthcare provider before starting any supplement regimen. These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.



