“…However, Nicholson et al (2012) have suggested that specific host-gut metabolic interactions can also occur where the gut microorganisms may in fact be a part of the regulation of host metabolic pathways that extend to organ physiological functions. However, some specific activities have been identified as being associated with the gut microbiota (Haiser et al, 2013;Sobol, 2014). However, some specific activities have been identified as being associated with the gut microbiota (Haiser et al, 2013;Sobol, 2014).…”