She read that your housemates change your gut bacteria. She is interviewing her next roommate for microbiome compatibility.

Microbiome compatibility roommate interview

University of East Anglia research published April 13, 2026 found housemates reshape your gut microbiome through daily contact

Her morning smoothie has 14 ingredients. She cannot name three of them.

She told everyone about magnesium in January, collagen in February, and choline in April. By summer she will have solved nutrition entirely.

She drinks the prebiotic soda. Then eats the chips. The prebiotic soda is doing a lot.

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