FXR 10 mg Tablet contains Obeticholic Acid, a semisynthetic bile acid analog and a member of the farnesoid X receptor (FXR) agonist family of drugs. It is used to treat liver diseases by improving liver function. Obeticholic acid works by activating FXR, a nuclear receptor that regulates bile acid synthesis, transport, and metabolism. Activation of FXR suppresses bile acid production and promotes bile acid transport, reducing the toxic effects of bile acids on the liver .