The Japan Functional Mushroom Market is Anticipated to Reach USD 5,823.9 Million by 2033, growing at a CAGR of 9.28% from 2023 to 2033.The market for mushrooms in Japan, which is recognized for their ability to improve health, is known as the "Japan functional mushroom market." A particular kind of fungus called a mushroom grows above ground on soil, trees, or various food sources.