M2R, a Python add-on to cobrapy that allows incorporating information about the gut microbiota metabolism models to human genome-scale metabolic models (GEMs) like RECON3D.

More info can be found in the recently published paper by Weglarz-Tomczak E, Tomczak JM and Brul S. M2R: a Python add-on to cobrapy for modifying human genome-scale metabolic reconstruction using the gut microbiota models. Bioinformatics. 2021 Feb 1. doi: 10.1093/bioinformatics/btab060. PMID: 33523116.