Cotinine ELISA kits are assays designed to detect cotinine, the alkaloid metabolite of nicotine. Tobacco is metabolized rapidly to cotinine in the liver. It plays a role as a biomarker, antidepressant, and plant metabolite. It is being investigated in the treatment of Alzheimer’s and PTSD as it reduces memory impairment. Visit the supplier page for more information about detection range and reactivity.