human microbes.org: Stool Donations, Medical Claims, and a Closer Look at the Truth

The idea of earning money by donating stool may sound unconventional, but it’s grounded in a real medical practice: fecal microbiota transplantation (FMT). This treatment is used to restore gut bacteria in patients with serious bacterial imbalances, especially Clostridioides difficile (C. diff) infections that keep coming back or don't respond to standard treatment.

Enter human microbes.org, a platform that says it connects healthy stool donors with people seeking FMT. It has drawn attention online as a way to get paid for stool donations. Many people are left wondering: Is this a scientific breakthrough or just another too-good-to-be-true promise?

The Business Model Behind human microbes.org

According to its website, human microbes.org is looking for “elite” stool donors: people with exceptional microbiomes who meet strict health criteria. The site says it is searching for the fewer than 0.1% of people healthy enough to be high-quality donors.

The platform promotes its mission as a way to help patients with serious digestive and even neurological conditions through microbiome restoration. However, the process and policies behind this mission have drawn scrutiny, including from the U.S. Food and Drug Administration.

Applicant Experience: More Red Flags Than Green Lights

Some applicants have described the application process online as confusing, lengthy, and invasive. Reported requests include detailed personal health information, photos, and other personal data. These are personal accounts that we could not independently verify.

The project is not run through a hospital, and there is no clear, verifiable institutional affiliation or medical advisory board behind it.

FDA Intervention and Regulatory Problems

On February 9, 2024, the U.S. Food and Drug Administration (FDA) issued a warning letter to Human Microbes. The FDA said the company's FMT products were unapproved new drugs and unlicensed biological products.

FDA has a limited enforcement discretion policy for FMT. It covers use for C. difficile infection that has not responded to standard therapies, and only when a licensed health care provider directs donor and stool screening and testing for that patient.

Human Microbes, however, had linked FMT to a wide array of other conditions, including IBS, Parkinson's disease, multiple sclerosis, autism, diabetes, depression, obesity and cancer. FDA said uses like these fall outside its enforcement policy.

The FDA also said the products raise potential significant safety concerns due to inadequate donor screening. It noted that the company offered products directly to patients, including for self-administration, with no assurance that a licensed provider was overseeing screening for each patient.

What a Valid FMT Program Should Look Like

FMT is not fringe medicine. When handled properly, it can be a powerful therapeutic option. FDA has also approved commercial microbiota products for adults to prevent C. difficile infection from coming back. But there’s a clear distinction between clinical FMT and what human microbes.org has offered.

In an approved setting, donors are extensively screened for infectious diseases and other risks. Stool is collected and processed under controlled conditions, and patients receive transplants under the supervision of medical professionals.

Delivery methods are controlled (typically colonoscopy, enema, or oral capsules), and the entire process is monitored by licensed staff within regulated facilities.

Shipping stool directly from donor to patient for self-administration removes these safeguards.

Aside from medical concerns, applicants should also consider the implications of sharing sensitive health and lifestyle data with an organization lacking transparency. Before you share anything, look for clear details on how your data is stored, protected, or shared with third parties.

Because the site is not connected to a hospital or research center, there’s no clear oversight body ensuring ethical use of the information being collected. The risk isn’t just physical; it’s digital.

The Bottom Line

There’s no doubt that FMT holds medical value. And it’s reasonable to explore new ways of connecting donors and patients. But based on the available information, human microbes.org raises several serious concerns:

Lack of clinical or institutional backing
An FDA warning letter over unapproved, unlicensed products
Health claims far beyond what FDA's FMT policy covers
Concerns about donor screening and self-administration
Unverifiable success stories
Extensive applicant data collection without clear protection protocols

If you’re interested in donating stool or exploring FMT as a patient, the safest route is through clinical trials registered with ClinicalTrials.gov or reputable hospitals. These programs follow strict ethical guidelines, are overseen by institutional review boards, and are often backed by peer-reviewed research.

As for earning a steady income by mailing your poop to strangers? That idea, like many in the health space, warrants healthy skepticism.

In situations where your body, privacy, and health are involved, it pays to ask hard questions and verify everything. With human microbes.org, there simply aren’t enough clear answers. If you have a gut condition, talk to a gastroenterologist about treatment options instead of trying FMT on your own.