Zantac (ranitidine hydrochloride) is being investigated after 150 Zantac tablets were found to contain a carcinogenic chemical up to 3,000 times greater than the FDA’s daily intake limit. The chemical found in the popular heartburn drug is N-nitrosodimethylamine (“NDMA”). Numerous studies have shown a link between the NDMA in Zantac and cancer. Evidence increasingly also indicates that Sanofi and Boehringer Ingelheim, the big pharma companies that make Zantac (ranitidine hydrochloride), concealed the Zantac cancer link.