50% Off 1st Order · Free Shipping · Cancel Anytime ·
4.6439 verified reviews

Decrease Brain Fog Increase Mental Clarity Get More Done

Numin powers higher performance throughout the day. No caffeine or jitters. Just 5 proven ingredients in a drink designed by a neuroscientist and peer-reviewed in a clinical trial.

  • Peer-reviewed clinical trial
  • Neuroscientist designed
  • No Caffeine or Jitters
  • 97% maintained peak cognitive function
  • 6+ hours of sustained performance
  • Fast Acting. Great Taste
A hand lifting a glass of orange Numin drink
Brain Drink

The Brain Supplement That Works

Numin 20 Pack box with a drink stick and a glass of NuminNew soft citrus flavor

Numin | 20 Pack

20 single-serve sticks. Mix one in water after lunch.

  • 43% fewer decision errors
  • No caffeine, jitters or crash
  • Clears afternoon brain fog
  • Works in Minutes
  • Lasts 6+ hours
  • Delicious Citrus Taste
Choose your size
Purchase option

$40 today, then $60/month. Pause or cancel anytime.

Ships free. 30-day money-back guarantee.

4.6 from 439 verified reviews

Powering Improved Performance at the Highest Levels

Read all reviews
It actually works

Skeptic turned around

Not going to lie, I was doubtful. First pack I was sure it was placebo. Second pack I stopped reaching for my afternoon coffee. Third pack I'm a believer. Would buy again.

Bridgette L.Verified buyer
No jitters

Calm focus

Numin is a rare supplement that actually feels like it makes a difference. Feels good, calm, focused, motivated but not jittery and amped like caffeine.

Eric H.Verified buyer
Reorders

Not another influencer brand

I trust formulations more when the person behind them is an actual scientist. This one is. 2 months in - happy and reordering.

JomariVerified buyer
Brain fog cleared

This stuff helps

I've started taking it daily after lunch. And yeah, about an hour later, it just feels like the fog has cleared from my brain. I can think more clearly and just make better decisions.

JonVerified buyer
Gets more done

Made my 2-5pm block usable again

That chunk of the day used to be where productivity went to die for me. Now it's actually one of my more productive windows.

Colby S.Verified buyer
Demanding jobs

Litigator

Trial prep is 12 hour days. This got me through a 3-week trial without falling apart.

RonieVerified buyer
Works fast

Part of my routine when I need to stay sharp

Since I started taking Numin, about an hour in I feel clear already. Not jittery or hyped like caffeine, just focused. Like I can make better calls, think sharper.

Henry W.Verified buyer
Great taste

TANG'ed

Remember TANG? NASA, rockets, astronauts? I loved that stuff. Well Mama, there's a new TANG in town! Numin. I love the familiar tangy taste.

Brad S.Verified buyer
It actually works

Impressive product

Out of all the supplements I've tried aimed at improving brain performance, this one rates the best in my opinion, both in taste and efficacy. I find one dose lasts me the whole day.

Ginny G.Verified buyer
Off caffeine

Quit caffeine 3 months ago

The clarity is steadier, the focus lasts longer, and there's none of the dependency that came with my old routine. Better is the honest word.

Danny V.Verified buyer
Night shifts

Night shift focus

12-hour rotations are brutal. The last stretch used to be survival mode. This sharpens the decisions when it counts. Worth it.

JibsonVerified buyer
Afternoon slump

Afternoon wall is gone

The wall was so predictable I had started scheduling around it. Just accepted it as part of my day. Not anymore. It's gone.

CatherineVerified buyer
Demanding jobs

Public defender

Caseload is insane. Afternoon client meetings are where I used to phone it in. Not anymore!

Quin R.Verified buyer
Works fast

Noticed by day 3

By day three something had shifted and it only got more consistent from there.

Rahul L.Verified buyer
Dr. Shawn Watson, neuroscientist and Numin founder
Meet the founder

Built by a neuroscientist. For the problem he spent his career studying.

Dr. Shawn Watson studies what happens when the brain's decision-making system is overwhelmed. The neuroscience is clear: sustained decision-making causes glutamate to accumulate in the prefrontal cortex, degrading neural signaling. He applied that science to design a targeted formula that supports the brain's natural clearance system, then proved it worked in a clinical trial.

  • PhDNeuroscientist
  • 2025Published in Frontiers in Nutrition
  • 13 hrsTrial sessions per participant
Meet the founder
Ingredients

5 Ingredients That Work

Named, dosed and chosen for one mechanism: supporting the brain's natural glutamate clearance.

Cluster of pink sea thrift flowers blooming among green grass on a hillside.
Neuroprotection

Rhodiola rosea

Glutamate accumulates when you make consecutive decisions. Rhodiola helps maintain the integrity of the neurons doing that work.

Fresh turmeric root, dried pieces, and golden powder, a natural supplement ingredient for brain fog.
Glutamate clearance

Curcumin (as Curcugen™)

Ten times the potency of standard turmeric, engineered for bioavailability. Supports mood stability and reduces neural inflammation under load.

Colorful 3D molecule models drifting on a dark blue background, evoking brain fog supplement science.
Neurotransmitter support

L-Tyrosine

A dopamine and serotonin precursor. Supports working memory and cognitive flexibility when reserves deplete under stress.

Purple-stained neuron with branching dendrites under a microscope, surrounded by scattered nerve cells.
Neural protection

MSM

Crosses the blood-brain barrier. Suppresses oxidative stress to preserve the signaling environment your decisions depend on.

Three-dimensional ball-and-stick molecule model with black carbon, red oxygen, and white hydrogen atoms.
Brain energy

Crominex 3+

Supports glucose uptake to the prefrontal cortex so your brain keeps its preferred fuel source during sustained work.

FAQ

Straight answers.

Still deciding? Here's what people ask before their first order.

See all questions
What will I actually feel?

Not a kick. Within about an hour, the afternoon fog simply doesn't arrive and decisions still feel clean. Most people recognize the pattern by day four or five.

How is Numin different from coffee?

Coffee borrows energy from later. Numin has no caffeine, no sugar and no stimulants, so there are no jitters, no crash and no dependency. Plenty of customers use it to cut back on caffeine altogether.

How fast does it work, and how long does it last?

Most people notice it within 60 minutes. In the clinical trial, performance held at baseline for 6+ hours from a single serving.

Should I take it every day, or only when I need it?

Daily works best. Mix one stick in water 30 to 60 minutes after lunch, ideally at the same time each day, and skip it after 4pm. There's no tolerance, dependency or rebound, so you can also save it for your heaviest days.

How much does it cost per serving?

On subscription, the 20 Pack works out to $3 a serving and the 30-serving Pouch to $2.50, and your first order is 50% off. One-time orders are $4 and $3.33 a serving. Every order ships free with a money-back guarantee.

What's in it, and where are the nutrition facts?

Each 8g stick contains Rhodiola rosea, Curcumin (as Curcugen™), L-Tyrosine, MSM and chromium, sweetened with stevia. No sugar and no caffeine. The full Supplement Facts panel is printed on every box and shown on the product page.

Is there a clinical trial?

Yes. A randomized, placebo-controlled crossover trial published in Frontiers in Nutrition (2025) found 43% fewer decision errors. The placebo group declined after four hours, while the Numin group held its baseline to the end of the session.

What if it doesn't work for me?

Try it risk-free. Every order is covered by a 30-day money-back guarantee. If you don't notice a difference, reach out and we'll make it right.