Description
Indole-3-propionic acid (IPA, indole-3-propionate, or indolepropionic acid), is a deamination product of tryptophan formed by symbiotic bacteria in the gastrointestinal tract of mammals and birds. It is endogenously produced by human microbiota and has only been detected in vivo when the species Clostridium sporogenes is present in the gastrointestinal tract