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Your microbiome is unique.
Your prebiotics should be too.

Build your own blend from 22 research-backed prebiotic fibers, choose one of our formulated blends, or let our microbiome experts design one around your test results. Mixed fresh, shipped to your door.

Three ways to your perfect blend

The Custom Prebiotic Calculator

Enter the grams per day of each prebiotic you'd like. We'll price a 28-day supply as you go. Blends shouldn't exceed 16 g per day.

Your blend
0 g / day16 g max

That's over 16 g per day. Most people do best building up slowly; please bring the total dose down to 16 g or less.

$0.00
for a 28-day supply · USD

Our Blends

Custom Design Package

For doctors who prescribe for their patients

Our most personalized service, built for physicians and their patients. Our microbiome experts read the patient's test results and design an individualized prebiotic package around what that gut actually needs, in coordination with the prescribing doctor.

  • 1Purchase the package. At checkout we collect the prescribing doctor's name and email.
  • 2Right after payment, fill out the symptom survey and upload the microbiome test results.
  • 3Our experts design the individualized package and the first month's supply ships to your door.
$299
First month's supply included

Education

Learn more about us, about individual prebiotics, and about different prebiotic formulas.

Education video preview

Contact Us

Email us at support@customprebiotics.com or use the form below.

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