Understanding Function’s

advanced stool test

Unlock deeper gut health insights to optimize digestion, immunity, and well-being.

What to expect

1
Order & Receive Your Kit

Your at-home collection kit arrives with everything you need for easy, mess-free sampling.

2
Collect & Return Your Sample

Follow the simple instructions, then send your sample back using the prepaid shipping label.

3
Get Your Results & Share Your Feedback

Receive a detailed gut health report and help us refine the experience by sharing your insights as a beta tester.

General questions

What is the Advanced Clinical Gut Assessment?
How is gut health assessed?
Why is gut health important?
How does the gut test sample collection work?

Early access information

What does it mean to be a beta tester?
Why should I participate in this pilot test?
Who is this test ideal for?
Who might not be a good fit for this test?
How much does gut microbiome testing cost?
How do I enroll in the beta pilot?

Test preparation & collection

Do I need to stop taking supplements or medications before testing?
Can I collect a sample while menstruating?
What’s included in the kit?
Is there anything else I need to do to prepare?

Results & next steps

How long does it take to get results?
What will my results look like?
Will a clinician from Function review my results?