Bismuth Subsalicylate is a widely used OTC antidiarrhoeal and antacid agent with mild antimicrobial activity against traveller's-diarrhoea pathogens and H. pylori. Simson Pharma's Bismuth Subsalicylate reference standard supports identity and purity testing of these high-volume OTC GI products.

Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) supply high-quality Bismuth Subsalicylate Reference Standards, pharmacopoeial reference materials, and its related impurities to pharmaceutical manufacturers, CROs, analytical laboratories, universities, and regulatory organizations worldwide. To service the Europe and America market efficiently, Simson Pharma Limited has set up Simson Pharma Global Ltd. in United Kingdom and Simson Pharma Global LLC in USA respectively.