Mat Steinwede - Chasing Optimum
Sep 30, 2026 · 1 hr 3 min · 11 segments
New episode of Chasing Optimum out now. On this episode Mat sits down with Deena Jane Kelaita nutritionist who specialises in gut health and microbiome. This is a fantastic interview that dives deep…
There's billions of cells that come together and they form tight junctions that hold them together.
And is this in your intestines all the way through? So is this the lining of the whole system or just in your stomach?
However, we find that a leaky gut... especially can be most symptomatic when we're looking at the small intestine and the large intestine.
With the small intestine, this is the area that absorbs all of your nutrients.
So if one of the main symptoms for people with a leaky gut is nutrient deficiencies they might be eating a lot of the right foods when i take a health history when i see them um and i'll take down you know what are they eating breakfast lunch dinners snacks and then and then i have a look at their bloods and i see they're iron deficient or they're deficient to B12, or they're deficient to protein and their hair's falling out, for example.
That, to me, is sort of a red flag to show me we need to investigate their gut lining to see, yes, they're eating all the right foods, they're taking all these expensive supplements, but how much of that are they actually absorbing? And so to answer your question, the tests that we can run to ascertain whether someone has a leaky gut or not, It's called a lactulose mannitol test.
It's basically two sugars that you drink and then you urinate after that and whatever they find, there's a balanced lactulose to mannitol to see how much has been absorbed, how much has been excreted through urine.
And that gives me an answer as to what's the likelihood of you having a leaky gut or
And then there's certain markers in the gut which show me How we can support the leakiness, which is microbial aspects that we need to address.
There's billions of cells that come together and they form tight junctions that hold them together.
And is this in your intestines all the way through? So is this the lining of the whole system or just in your stomach?
However, we find that a leaky gut... especially can be most symptomatic when we're looking at the small intestine and the large intestine.
With the small intestine, this is the area that absorbs all of your nutrients.
So if one of the main symptoms for people with a leaky gut is nutrient deficiencies they might be eating a lot of the right foods when i take a health history when i see them um and i'll take down you know what are they eating breakfast lunch dinners snacks and then and then i have a look at their bloods and i see they're iron deficient or they're deficient to B12, or they're deficient to protein and their hair's falling out, for example.
That, to me, is sort of a red flag to show me we need to investigate their gut lining to see, yes, they're eating all the right foods, they're taking all these expensive supplements, but how much of that are they actually absorbing? And so to answer your question, the tests that we can run to ascertain whether someone has a leaky gut or not, It's called a lactulose mannitol test.
It's basically two sugars that you drink and then you urinate after that and whatever they find, there's a balanced lactulose to mannitol to see how much has been absorbed, how much has been excreted through urine.
And that gives me an answer as to what's the likelihood of you having a leaky gut or
And then there's certain markers in the gut which show me How we can support the leakiness, which is microbial aspects that we need to address.
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