Your leaky gut collection
The Leaky Gut Test looks at how well your gut lining holds its barrier. You drink a measured sugar solution, then collect all your urine over the next six hours — the mix of sugars that comes through tells the story.
A simple test you do at home
Your kit is posted directly to you — no collection centre visit needed. It takes one morning: an overnight fast, the drink, then a 6-hour urine collection you mail back to the lab.
Please check this first
This test isn't suitable during pregnancy, or if you're diabetic with a fasting urine glucose over 6 mmol/L. Don't collect while menstruating. If any of these apply, check with your practitioner before starting.
Foods to avoid
From your evening fast through to the end of the 6-hour collection, these can affect your result — so leave them out:
Check your kit
Collecting your sample
Start fasting the evening before — from about 11 pm, have nothing but water for at least 8 hours.
Start the test
- First thing in the morning, empty your bladder into the toilet and discard it — your timed collection starts after this.
- Open the brown bottle and add warm water until it's about ¾ full. Replace the lid firmly and shake well to dissolve.
- Drink it all. Rinse any residue with a little more warm water and finish that too. (If you weigh 30 kg or under, take 2 teaspoons of the mixed solution instead of the full bottle.)
- Note your start time on the request form and on the glass-tube label — for example, "7:00 am". This is your commencement time.
Collect for 6 hours
- For the next 6 hours, collect all of your urine into the 4-litre collapsible bag. Sip water through the morning so you're able to go.
- Don't tip out the fluid already in the bag — it's a preservative. Keep it off your skin and eyes, don't drink it, and keep it away from children.
- After 6 hours, note your finish time. Hold the bag up by each corner and read the total volume off the graduated scale — write it on the request form and tube.
- Using the dropper, transfer a sample into the 10 ml glass tube and cap it. Label it with your name, date of birth, date, total volume, and start & finish times, then place it in the transport bag.
Packing & sending
There's no need to freeze or refrigerate this sample — just send it back the same day.
- Once your labelled tube is in the transport bag, you can safely discard the remaining urine and the collapsible bag.
- Check your request form is complete (name, date of birth, address, phone) and complete your Patient Checklist. Place the form into the transport bag.
- Seal everything into the reply-paid padded envelope and post it back the same day.
What this test measures
The two sugars are absorbed differently, so their recovery in your urine reflects your gut barrier:
Measures: Lactulose Recovery · Mannitol Recovery · Recovery Ratio
Before you post — quick check
- Full 6-hour collection done and total volume recorded
- Start & finish times noted on the form and the tube
- Sample tube labelled and capped
- Request & Checklist forms complete, posting the same day
Haven't ordered yet?
Order your Leaky Gut Test kit here, and view results securely in your i-screen dashboard.