The reason for avoiding ultra-processed foods is that they are pretty bad for your health. This report [1] by the UN food agency is a good resource. A short par

The reason for avoiding ultra-processed foods is that they are pretty bad for your health. This report [1] by the UN food agency is a good resource. A short paragraph from the conclusion: > the results from the studies on health outcomes show plausible, significant and graded associations between the dietary share of ultra-processed foods and the occurrence or incidence of several non-communicable diseases, including obesity and obesity-related outcomes, cardiovascular and metabolic diseases, breast and all cancers, depression, gastrointestinal disorders, frailty in the elderly, and also premature mortality. [1] https://www.fao.org/3/ca5644en/CA5644EN.pdf https://www.fao.org/3/ca5644en/CA5644EN.pdf