Gastrointestinal (GI) cancer is the term for a group of cancers affecting the digestive system. After binding to the neurokinin-1 (NK-1) receptor. the undecapeptide substance P (SP) regulates GI cancer cell proliferation and migration for invasion and metastasis. and controls endothelial cell proliferation for angiogenesis. https://yeswellneses.shop/product-category/milk-thistle/