A CONKA customer holding the daily shot in her garden

Discover the natural way to keep your words coming easily.

Losing a word mid-sentence is rarely what you fear, more often just fatigue and mental overload. CONKA works from within, supporting the recall pathways behind it, before it gets worse.

Save 48% on a sharper mind
CONKA customer
CONKA customer
CONKA customer
CONKA customer
CONKA customer
Excellent 4.7
622+ reviews · 5,000+ daily users

Fueling High Performers at:

Bath RugbySouthampton FCEngland RugbyFC Bayern MunichTeam GBWales RugbyLeeds UnitedWolvesFormula 1Barry'sBritish ArmyBritish AirwaysGoldman SachsEquinox

Brain health at the cellular level

7 Reasons Word-Slips Don't Have to Get Worse

01

Find Your Words Again, Without the Hesitation

That moment your words vanish mid-sentence is unsettling, but it's rarely permanent. This daily shot supports the language pathways behind recall, so the words are there when you reach for them and conversation flows again. The earlier you support it, the easier to stay ahead.

Dan Norton, Rugby 7s · Olympic Silver Medallist
“After a career in contact sport, my memory isn't what it was. I am finding myself able to speak clearer, and in conversations my words just flow better. I have more calmness.”
Dan NortonRugby 7s · Olympic Silver Medallist
World's Largest

Consumer brain-research project. 1,000+ brains tested through our app.

02

Where Ageing Hits Hardest, and What Helps

From 30, Testosterone Only Goes One Way, Unless You Do Something About It

From your thirties, testosterone drifts down and sustained effort starts to feel heavier. Ashwagandha and Rhodiola are adaptogens shown in clinical trials to ease the cortisol load that suppresses it, so work and training stop feeling like a grind.

I can now tolerate the same workload as I did in my 30s. I travel from Scotland to London frequently for intense bouts of work. I used to lose my memory in these periods, but now I don't.
Shane
Shane
Verified customer

The men's stack

Ashwagandha

Eases the cortisol load that quietly suppresses testosterone.

PMID: 30854916

Rhodiola Rosea

Makes sustained effort, physical or mental, feel lighter, not harder.

PMID: 23443221

Ginkgo Biloba

Supports the blood flow behind focus under pressure.

PMID: 17457961

Alpha GPC

Fuels the neurotransmitter your brain uses for sharp, driven thinking.

PMID: 39683633

All in two daily 30ml shots.

Clinically proven, not just claimed

+14.86%

Sharper thinking vs placebo

+19.3%

Sharper focus in pro athletes

82%

Improved within 2 hours of a single dose

80%

Improved cognitive scores

*From CONKA cognitive trials, including a 6-week randomised double-blind placebo-controlled trial with professional rugby players, plus internal testing on male and female athletes.

03

Protect Your Brain for the Years Ahead

This isn't a temporary spike, it's a daily system for long-term brain health. Targeted, natural support helps protect your cognitive function for the years ahead, without stimulants. Durham University research found the ingredients in Flow extended lifespan and reduced oxidative stress.

Alanazi et al., Journal of Pharmacy and Pharmacology, 2025 (Durham University)

+15 human-year equivalent in an ageing study

Developed with leading universities

University of Cambridge
Durham University
University of Exeter
Informed Sport Certified
Made in Britain
Patented

04

Watch It Working, in Real Numbers

Most brain-training apps are just games with a leaderboard. The CONKA app is built around CognICA, an FDA-cleared cognitive test from Cambridge used clinically to help diagnose dementia. The same test, so when your score moves, it's real. The same science has been covered and published here:

Measured in the CONKA app

Your cognitive score

72

↑ Trending up over
the past 30 days

708090Day 1Day 7Day 14Day 21Day 307289

As Published On:

MedscapeNeurologyLiveMDedgePsychiatrypharmaphorumBioSpaceThe Globe and MailNature Scientific ReportsFrontiers in Aging NeurosciencePLOSproto.lifeThe Deep DiveNasdaqYahoo FinanceNewsfile

05

Beat the Afternoon Slump Without Caffeine

Most energy fixes are just caffeine, and caffeine always ends the same way. CONKA's ingredients deliver 18.1% faster mental processing than caffeine, and CONKA is completely caffeine-free.

DOI: 10.1186/1550-2783-12-S1-P41

With CONKAWithout

Mental energy through the day

↓ afternoon slumpsteadyMorningMiddayEvening

Sustained mental energy from morning to night. No midday slump.

What Customers Say
★★★★★

Measure it to manage it

What can't be measured can't be managed. I have more energy, and if you're pessimistic, just do a before and after test.

Anthony S.
Anthony S.
Verified · Age 61
★★★★★

Clarity, energy and better sleep

I noticed a clarity and energy and have benefited from that. My sleep wasn't great after I retired, but now I seem to be sleeping well.

Deborah Lowe
Deborah Lowe
Verified · Age 62
★★★★★

Sharper recall, clearer words

My short-term memory is better, I feel more eloquent, and I am able to stay focused for longer periods of time.

Millie H.
Millie H.
Verified · Flow + Clear
Rated 4.7 / 5 · 622+ reviews

06

Backed by Trials, Not Testimonials

Most focus supplements hide one trick: caffeine, which by the original definition is a stimulant, not a nootropic. CONKA has run randomised controlled trials over 20 times, and we built a way for you to measure it yourself.

Measured in the CONKA app

Average cognitive score by group

81
81
85
86
NothingCoffeeCONKACONKA + coffee

Coffee scored no better than nothing. The lift came from CONKA.

07

100 Days to Feel It, or Your Money Back

Try CONKA for a full 100 days. If your recall and clarity haven't changed, you get every penny back. Developed from brain research at Durham and Newcastle, Informed Sport certified, made in the UK.

Measured focus

Sharper focus on CONKA

+19.3%

04080120
Off CONKAOn CONKA

Focus score, baseline indexed to 100. From a trial of professional athletes.

Protect your sharpest asset. Start today.

Try Conka Risk-Free for 100 Days →
112 others exploring better focus

CONKA Flow

4.7 (622 reviews)

Select your plan:

Most Popular43% off
20 shots£69.98£39.99
100-day guarantee£2.00 per bottleDelivered monthlyFree UK shipping
+8 free shots on your first order
48% off
60 shots£209.94£109.99

Save 43% for life

Your subscription

  • 20 shots delivered monthly
  • Free UK shipping
  • 100-day money-back guarantee(less than 1.2% of people actually use it)
  • Personal brain coach
  • Pause, skip, or cancel anytime

Your starter kit

£82.96 of gifts free

Exclusive to subscriptions, free in your first box.

  • +8 free shots£23.99Free
  • CONKA Hat£19.99Free
  • Capsule Travel Pack£28.99Free
  • Full CONKA app access£9.99Free

The Daily Morning Brain Shotfor Sharper, Calmer Focus

Powered by 6 clinically-dosed adaptogens in a fast-absorbing liquid shot, with zero caffeine and zero crash.

  • Zero caffeine, zero crash
  • Clinically-backed ingredients
  • 5x absorption vs pills & powders
  • Informed Sport Certified

Lemon Balm (Melissa officinalis, leaf), Ashwagandha (Withania somnifera, root), Turmeric (Curcuma longa, root), Rhodiola rosea (root), Bilberry (Vaccinium myrtillus, fruit), Black Pepper (Piper nigrum, fruit), Vegetable glycerin, Water, Polysorbate-80, Potassium sorbate, Lemon essential oil

See all ingredients

You want sustained energy and sharp focus across a full cognitive day, without the crash. FLOW stacks alongside your coffee to extend its effect and reduce how much you need, or replaces it entirely through cellular energy production rather than stimulant dependency.

Your work demands hours of clean output: deep focus, back-to-back calls, physical training. FLOW supports both cognitive and physical performance through the same mitochondrial pathways.

Earthy and slightly sweet, led by turmeric. It pours as a yellowish-brown liquid.

One 30ml shot, straight from the bottle, with or without food. We recommend the morning, for calm focus and jitter-free energy through the day. There is no caffeine in it, so it works whenever you need it.

  • Vegan friendly
  • Kosher certified
  • BPA free
  • Third party tested
Third Party TestedInformed Sport CertifiedMade in the UKZero CaffeineEvery Batch TestedFree UK ShippingCancel Anytime100-Day Guarantee
Dan Norton, Olympic silver medallist in rugby sevens for Great Britain
I am finding myself being able to speak clearer and in conversations my words just flow better. I have more calmness.

Dan Norton

Olympic Silver Medallist

Rugby Sevens, Great Britain

Join Thousands Staying Sharp, Every Day

Two shots a day.

A CONKA athlete taking the daily shot outdoors
A CONKA customer with their daily shot
A CONKA customer with the daily shot
A CONKA athlete holding the daily shots
A CONKA customer with their daily shot
A CONKA customer with the daily shot
A CONKA customer with the daily shot
A CONKA athlete holding the daily shot
A CONKA customer with their daily shot
A CONKA customer with the daily shot
A CONKA customer with their daily shot
A CONKA customer with the daily shot
A CONKA customer with the daily shot
A CONKA customer with their daily shot
A CONKA customer with the daily shot
A CONKA customer with their daily shot
A CONKA customer with the daily shot
A CONKA customer with the daily shot
A CONKA customer holding the daily shots
A CONKA customer with their daily shot
A CONKA customer with the daily shot
A CONKA customer working with the daily shots
A CONKA customer with their daily shot
A CONKA customer holding the daily shots
A CONKA customer with the daily shot
A CONKA customer holding the daily shots
A CONKA customer holding their delivery box

Frequently asked questions

Usually not. The far more common causes are tiredness, stress, divided attention, or simply speaking faster than your brain can retrieve the word, something that happens at every age. It becomes worth taking seriously when it is frequent, getting worse, or paired with other changes like getting lost in familiar places, in which case see your GP, because that is a medical question a supplement does not replace. For the everyday version, several CONKA ingredients act on the systems behind word retrieval: Alpha GPC supports the acetylcholine pathway central to memory and language, and Ginkgo Biloba supports the blood flow that keeps those pathways fed.

Most often it is your brain outpacing your mouth: the word is there, but retrieval lags under fatigue, stress or mental overload. It tends to happen more as the day wears on, which is why CONKA is split into two shots rather than one: Flow in the morning to start sharp, Clear in the afternoon to stop that dip before it shows up in conversation.

It is built to support the mechanisms behind a sharp, ageing brain, though it is a daily supplement rather than a cure and does not treat or reverse a diagnosed condition. Several of its ingredients act on the systems that underpin memory and clear thinking. Ginkgo Biloba supports healthy blood flow to the brain, so more oxygen and nutrients reach it. Alpha GPC is a choline source the body uses to make acetylcholine, the neurotransmitter central to memory and learning. Antioxidants like Glutathione and Vitamin C help counter the oxidative stress that builds up with age. Adaptogens like Ashwagandha and Rhodiola help the brain handle stress, which itself drags on recall. Taken daily, that combination is designed to help you stay clear and focused as you get older. If you are noticing real memory changes, see your GP, because that is a medical question a supplement does not replace.

Often yes, but check with your GP or pharmacist first, because it depends on the medication. CONKA is a food supplement rather than a medicine, but some of its botanicals can interact with specific drug groups: Ginkgo Biloba with blood-thinning or anticoagulant medication, Ashwagandha with thyroid medication and sedatives, and Rhodiola with antidepressants. If you take anything in those groups, or any medicine with a narrow safe range, run the ingredient list past your pharmacist before you start. It is a two-minute conversation and worth having.

Day 1: sharper focus and steady energy, no crash. Day 14: adaptogens like Ashwagandha reach full strength and stress rolls off faster. Day 30: your baseline sits measurably higher. Across 150+ tested users and 5,000+ cognitive tests, the average score improvement was +28.96%.

It should not, because there is no caffeine or stimulant in either formula. This is the practical difference between CONKA and most 'focus' products: a shot with caffeine in it has to carry a warning about taking it after early afternoon, and CONKA Clear does not, which is precisely why it is built for the afternoon slot.

No. The two daily CONKA shots work entirely on their own, with no app required. The CONKA app is an optional, free companion built around a two-minute cognitive test, there if you want to see your focus change in numbers over time rather than guessing. You do not need to be technical or log anything by hand to get the benefit of CONKA; the app is a way to measure it, not a condition of it.

Then you get your money back. Try CONKA for up to 100 days, and if you're not satisfied, contact us for a full refund. No returns needed, no questions asked. That's the 100-day money-back guarantee: we're confident enough in the product to take the risk for you.

Still have a question? Email info@conka.io