YS Nature Company

YS Nature Company is a Tokyo, Japan-based biotechnology company focused on the development of natural and biological therapeutics, particularly thymic extracts. The company's flagship product is Thymax, a gross thymic extract composed of heat-resistant peptides (including thymosin and thymomodulin) prepared under acidic conditions. Thymax is designed for oral administration and has demonstrated immunomodulatory and anti-cancer properties in pre-clinical studies, including the induction of apoptosis in breast cancer and myeloid leukemia cells via mitochondrial pathways. YS Nature Company collaborates with academic institutions, such as Charles R. Drew University of Medicine and Science, to evaluate the therapeutic potential of its extracts.