Backed by 34 international research papers and clinical trial data, King Agaricus KA21, is a globally rare medicinal mushroom whose potential benefits have been demonstrated across a wide range of areas, including hair growth in both men and women, erectile dysfunction, male menopause, autonomic nervous system function, stress, ovarian function, the gut environment—including intestinal barrier function and Akkermansia—and immune support. It has been adopted by medical institutions and is supplied to numerous overseas markets. Small-lot OEM production is also available.