Trimebutine 3-TCBS (GIC-1001) is an innovative formulation designed to release hydrogen sulfide (H2S) in vivo. This compound combines trimebutine with an H2S-releasing antagonist (phenyl 3-thiocarbamate) and exhibits enhanced anti-nociceptive effects in a mouse colonic distension model, superior to conventional trimebutine. GIC-1001 can reduce visceral pain and discomfort associated with lumen distension in a dose-dependent manner, showing potential superiority.