"Leaky gut" might be a myth, but emulsifiers' impact on gut health is not. A steady stream of studies [1] and publications on this [2] has been coming out, since the role of our microbiome became more clear.

[1] ex https://www.nature.com/articles/s42003-024-06224-3

[2] https://www.theguardian.com/lifeandstyle/2023/jun/29/the-tru...