There seems to be a trend for companies to finally move away from high fructose corn syrup—well, at least in their more expensive "healthy" versions—but I am really shocked by how almost everything uses canola oil, even so called healthy versions.
About all I expect from RFK is probably trying to make vaccines more optional—a reflection of his extreme anti-vaxx beliefs. I think that will be more harmful than any attempt by him to get better ingredients in US products.