Israel’s Freedom Farm rescued Yossi as a piglet from a pig farm but the factory farming conditions had made him grossly overweight, needing constant painkillers. Then a new diet of Cordyceps mushrooms from Israel’s Mycospring gave Yossi a new lease of life. They also work on humans.
https://www.israel21c.org/medicinal-mushrooms-give-rescued-pig-new-lease-on-life/