This research explored how different colored lights and metal ions can improve the growth and production of beneficial compounds in medicinal mushrooms. Scientists found that using yellow light followed by blue light, combined with calcium, could significantly increase the production of important polysaccharides that have potential health benefits. Impacts on everyday life: – Provides new methods to grow medicinal mushrooms more efficiently – Could lead to more affordable and available mushroom-based health products – Demonstrates sustainable ways to produce natural compounds – Shows potential for using light to improve food and supplement production – Offers insights into environmentally-friendly cultivation techniques