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Someone linked it to me, I thought I would include it if anyone follows this diet.

I really haven't read much about low FODMAP diets, but it has some similarities with EN in that they both remove fermentable carbohydrates. Low FODMAP simply restrics them, EN simply replaces them with maltodextrins.

I've long argued there is nothing special in EN, and that the only reason it leads to mucosal healing is because it reduces bacterial load. Even though one now sees the additon of TGFb in some EN, EN from the 90s are pretty much the same thing as EN in 2020, the only reasonable explanation why EN works so far has been its drastic reduction in bacterial load, which likely also happens by restricting FODMAP.

There's also a risk that with diets like low FODMAP you just add to already present dysbiosis, even though bacterial load is markedly decreased.

It's worth noting that several studies have shown that Crohn's disease patients are far more likely to be lactose and fructose intolerant than the general population.
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