Celebrity nutritionist Daryl Gioffre, from Naples, Florida, tells Fox News Digital about the potential side effects of an ice cream emulsifier called Polysorbate 80, which alters the balance of gut bacteria. The future of gut health monitoring has arrived, thanks to researchers at the California Institute of Technology. Caltech's new invention, PillTrek, is a wireless smart capsule for gut health monitoring that delivers real-time insights from inside your gastrointestinal tract. This swallowable device promises to make invasive procedures a thing of the past, offering convenience and continuous data that traditional methods simply cannot match. Illustration of a woman holding a PillTrek near her mouth, about to swallow it.