Purchase stool or capsules for research or FMT (Fecal Microbiota Transplants)

Access the world’s largest, highest quality stool donor network

Over one million stool-donor applicants, and counting

Whether you need stool donors for your clinical trial, need to treat C. difficile, or want to experiment on something else, you've come to the right place. We have the highest quality stool donors available, and are the only stool provider that is taking stool-donor quality seriously.

We may have stool donors in your country, but we can also ship worldwide to most countries via dry ice.

Our mission

Human Microbes was started up in large part due to a lack of high-quality stool donors for FMT (Fecal Microbiota Transplants). All other sources, including worldwide clinics, stool banks, hospitals & doctors, and clinical trials, had/have severe deficiencies in donor standards and most refuse to give proof of donor quality.

Our primary goal is to increase the quality and availability of stool donors.

We are focused on the USA and Canada but are accepting stool donors from other countries, and willing to do global dry ice shipping if possible.

Screening & selection

All stool donors go through a detailed questionnaire, then stool type verification & physical fitness verification, then a video interview, then blood & stool testing according to a mixture of the EU guidelines and International guidelines for FMT donor screening.

Our standards go above and beyond all other current standards. However, recipients can also have a choice in the matter regarding what level of donor quality they want.

As of March 2024, we’ve screened over a million donor applicants, and have 100+ in the top tiers.

Tracking results

We are the only stool provider that is publicly tracking and reporting stool-donor results in order for recipients to make more informed decisions about risks vs rewards. We cannot do this without participation from recipients, including detailed recipient experience reports.

Donors & recipients are anonymized by default.

Here are the results from our current active stool donors: https://docs.google.com/spreadsheets/d/1E9TFLqh9I2ZZhDSvGljyhukU-71fFMmJ/

Costs

Currently, there is no relation between how much FMT costs and the quality of the procedure & donor. Donor quality is by far the most important factor, yet most sources of FMT have neither the knowledge, insight, nor motivation to acquire truly high-quality donors.

Most sources of FMT are charging thousands of dollars for anywhere from 1 to 10 FMTs. Our goal is to make high-quality donors available for everyone.

We started off charging only $80 per stool sample, plus dry ice shipping. However, after screening 6000+ stool donor applicants and getting none that met our criteria it was strongly recommended to raise prices in order to attract higher quality donors, so we doubled the costs to $150+ per stool sample. After screening 26,000 stool donor applicants and still not having the quality of donor we need, we raised prices again.

Shipping costs within the USA are usually $145 for “next-day air”. To Canada, it’s usually around $250 for 2-5 day delivery. To other countries, it’s anywhere from $250-$500+.

FMT capsules, enemas, whole stool

Current stool prices are $1,000 per stool sample, which is split into 10 pieces. So around $100 per enema or upper dose. Capsules are currently $10 each.

The availability & costs of capsules, infusions, and direct/local contact may depend on the donor.

For individuals who are struggling financially, we have a means-testing process through which you can apply for a discount.

It is fairly simple for recipients to make their own capsules and infusions. DIY directions.

For more info, see our Ordering FAQ.

For now, we are not offering direct/local contact for most situations, but if you have a specific need/offer feel free to contact us.

Have questions about FMT (Fecal Microbiota Transplants), capsules, ordering, donors, screening, methods & procedures, etc.?

Ready to order?

Contact us below.