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Creatine
& Digestive Comfort.

A 28-day study on how one daily creatine sachet affects bloating, discomfort, and day-to-day digestion — tracked through quick check-ins and your Oura Ring.

Join the StudyHow it works

Code UDFR · Opens in the Reputable app

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A single-serve creatine sachet beside a glass of water dissolving on a warm terracotta ledge
Total reward value
$80
$50 gift card
28 sachets ($30)
28
Free creatine sachets
One single-serve sachet per day, shipped to your door
$50
Gift card reward
10,000 Heartbeats at ≥80% compliance
4-week
Digestive insights
Your bloating and symptom patterns over the study

Your daily routine

Six simple steps, repeated for 28 days. About one minute a day.

  1. 01
    Get accepted
    Complete onboarding, verify your ID, and finish the baseline survey about your digestion and creatine history.
  2. 02
    Receive your 28 sachets
    One sachet for each day, shipped to your door. Confirm delivery in the Reputable app.
  3. 03
    Mix one sachet daily
    Dissolve in about 400 ml of room-temperature water with a meal or snack, and drink it right away.
  4. 04
    Keep the same time each day
    Pick a time on day one and aim for consistency across the four weeks.
  5. 05
    Quick daily check-in
    ~1 minute in the Reputable app to log bloating, discomfort, and bowel habits.
  6. 06
    Wear your Oura Ring
    Keep it on and charged at all times, especially overnight. Complete surveys when prompted.

What you'll learn

How do YOUR digestive symptoms shift week to week?

Track your bloating, discomfort, and bowel habits across all 28 days.

How does YOUR gut feel day to day on creatine?

See your digestion day by day, alongside sleep and recovery from your Oura Ring.

What you'll need
Oura Ring28 daysDaily check-insPhoto ID verificationBaseline survey

Ready for a calmer gut?

Tap below to open the Reputable app and join with code UDFR.

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28-day study · Oura Ring required

Didn't open? Download Reputable