Reputable
Recruiting Now · Code O36U

Brain Wellness Study

Help answer one question: can a brain health supplement measurably improve cognitive performance in adults with mild cognitive impairment? Your Oura Ring does the heavy lifting.

Up to $1,020 in value · No lab visits
IRB-reviewed6-month studyOura Ring required

Free to join · Takes about 2 minutes · Withdraw anytime

  • Your data stays private
  • No clinic visits
  • IRB-reviewed

Am I eligible?

  • Age 40–85
  • You own an Oura Ring
  • iPhone or Android phone
Download on theApp StoreGet it onGoogle Play

Scan with phone

Open the study directly on your mobile device.

Your study code

Email me my join link

Use the email you signed up with.

We use this only to send your join link and track study enrollment.

What to expect

A clear picture before you commit.

6-month supplement supply

A brain health supplement (or placebo, randomly assigned) shipped to your door. Two capsules each morning.

Day-to-day

Wear your Oura Ring as usual, complete a quick daily check-in, and take a short cognitive assessment at Months 3 and 6.

Earn up to $1,020 in value

60,000 Heartbeats ($300 Amazon gift cards), a 6-month supplement supply, cognitive assessments, and a personal wearable report.

Who can participate

You're a fit if…

You already passed the screener — this is just so you know what we checked for.

  • Age 40–85
  • Based in the United States
  • Own an Oura Ring with an active subscription
  • Have Mild Cognitive Impairment (MCI)
  • Able to complete a cognitive assessment on a computer or tablet
  • Can commit to daily check-ins for 6 months
How it works

Three steps to join.

  1. 1

    Download the Reputable app

    Available on iPhone and Android. Free, takes under a minute.

    Download on theApp StoreGet it onGoogle Play
  2. 2

    Create your account

    Use the same email you signed up with on the form — that's how we'll match you.

  3. You're here
    3

    Enter code & connect Oura Ring

    The app will walk you through connecting your Oura Ring. That's it — you're in.

Why this study

Measuring how a brain health supplement shapes cognition — in real life, on a real wearable.

Over six months, we're studying whether a brain health supplement can measurably improve cognitive performance in adults with mild cognitive impairment, compared to a placebo. Cognitive assessments plus daily Oura Ring data from people like you — no lab visits.

Common questions

Good things to know.

Hit a snag?

Write us at research@reputable.health. A real person will get you sorted.