This research explored how a special type of fungus, Ophiocordyceps sinensis OS8, could be cultivated in the laboratory to produce beneficial compounds that might help fight cancer and boost immune system function. The scientists found that compounds extracted from this fungus could kill colon cancer cells while leaving healthy cells unharmed, and also had strong antioxidant properties that could protect cells from damage. Impacts on everyday life: • Provides a potential new natural treatment option for colon cancer patients • Offers a sustainable way to produce medicinal compounds that are traditionally harvested from rare wild fungi • Could lead to new dietary supplements for immune system support • Demonstrates how traditional medicines can be scientifically validated and improved • May result in new functional food ingredients for health promotion